Sep 21, 2016 · 2) (regular easy, 30 minutes to complete) Scoot under the your H3 with a 10mm socket and wrench to remove the 4 bolts holding the encoder motor on. While it is still plugged in with the parking brake on and the vehicle in neutral, press the buttons on your dash to see if it is moving to each distinct position. Oct 12, 2019 · Rack and Pinion. May lessen or go away as your H3 warms up. Bad Power Steering Fluid. May appear dark or black. Noise free. Low tire pressure. Tire pressure light may be on. Check the pressure. Here are six of the most common reasons why your H3’s steering wheel may be hard to turn . Oct 21, 2011 · I went to the local dealer and after computer inspection they saw the code po717 input speed sensor with low voltage. they reset the code and asked me to come later. now my hummer is not shifting the gear from 2nd to 3rd and when i shift on D from idle position it drags to speed up even. is it due to some switch or the transmission has gone bonkers? Jan 13, 2023 · The main difference between a Hummer H2 and H3 is the size. The Hummer H3 was aimed to be cheaper, more economical, and smaller with the goal of appealing to European buyers. The H3 also has smaller engines starting with the base 3.5/3.7 and the biggest 5.3 V8. The H2, on the other hand, only had two engine options, a 6.0 and a 6.2 V8. Conclusion The 2007 Hummer H3 has 44 NHTSA complaints for the engine at 84,823 miles average. ... GM service manager mention a spring problem on 2006 2007 rendevous. ... Had to re-build the transmission ...Jul 29, 2016 · 2007 H3 WONT GO IN REVERSE. Asked by HAASTYLE Jul 29, 2016 at 01:34 PM about the 2007 Hummer H3. Question type: Maintenance & Repair. PUT THE H3 IN REVERSE. PRESS THE GAS MOVES ABOUT 6-8' THEN ITS. LIKE IT IS NEUTRAL NO MOVEMENT. The 2007 Hummer H3 has 372 problems & defects reported by H3 owners. The worst complaints are engine, cooling system, and transmission problems. 114,000 miles. The contact owns a 2007 Hummer H3. While making a right turn at 35 mph the steering wheel became difficult to maneuver without warning. The contact pulled over and discovered that ...Oil sign on at idle, stop, parked. Hummer H3X oil signal comes on at just about form of the car not moving forward. I notice that this happens only in the summer time, and the car has been driven for at least 45 minutes. If it's cold there is no oil signal. I changed the thermostat,oil sensor switch, and I have done a full oil and filter change ...2010 Hummer H3 V8-5.3L: Service type Gears slipping when accelerating Inspection: Estimate $94.99: Shop/Dealer Price $104.99 - $112.48: 2007 Hummer H3 L5-3.7L: Service type Gears slipping when accelerating Inspection: Estimate $94.99: Shop/Dealer Price $105.02 - $112.55: 2006 Hummer H3 L5-3.5L: Service type Gears slipping when accelerating ... Mileage: 185,975 miles MPG: 14 city / 18 hwy Color: Black Body Style: SUV Engine: 5 Cyl 3.7 L Transmission: Automatic. Description: Used 2007 Hummer H3 with 4WD, Bucket Seats, Skid Plate, Suspension Package, Luggage Rack, 1SC Package, Keyless Entry, 1SD Package, Fog Lights, 16 Inch Wheels, and Full Size Spare Tire. Hi MR; Bob I have a 2007 Hummer H3 . The engine light on the codes P0128. I have changed the thermostat and temper senor also the cooling too. But the engine temper gauge only reads150* all time.No ma … read moreDec 20, 2018 · When there is a large leak in the Hummer H3’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your H3 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ... 114,000 miles. The contact owns a 2007 Hummer H3. While making a right turn at 35 mph the steering wheel became difficult to maneuver without warning. The contact pulled over and discovered that ... 2007 Hummer h3 transmission failure. While going uphill hummer front end shakes and lost all gears. after 20 min it was fine but then a week later happened agian and lost all gears and grinds going into park. hummer is broke down and undrivable. just had oil and fluids checked a week ago. all was fine. Has 69000 miles.5 complaints Most Common Solutions: transmission rebuilt (2 reports) changed radiator and transmission cooling system (1 reports) not sure (1 reports) replaced valve body (1 reports)...Official recalls have been issued for the 2007 Hummer H3 by the NHTSA. The complete details of all recalls are listed below, along with what they cover and the recommended solutions. Recalls don't ... 2010 Hummer H3 V8-5.3L: Service type Gears slipping when accelerating Inspection: Estimate $94.99: Shop/Dealer Price $104.99 - $112.48: 2007 Hummer H3 L5-3.7L: Service type Gears slipping when accelerating Inspection: Estimate $94.99: Shop/Dealer Price $105.02 - $112.55: 2006 Hummer H3 L5-3.5L: Service type Gears slipping when accelerating ... Nov 16, 2019 · Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your H3 is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine can lead to serious engine problems. A blown head gasket, engine block, or cracked head are ... Oil sign on at idle, stop, parked. Hummer H3X oil signal comes on at just about form of the car not moving forward. I notice that this happens only in the summer time, and the car has been driven for at least 45 minutes. If it's cold there is no oil signal. I changed the thermostat,oil sensor switch, and I have done a full oil and filter change ...2007 Hummer h3 transmission failure. While going uphill hummer front end shakes and lost all gears. after 20 min it was fine but then a week later happened agian and lost all gears and grinds going into park. hummer is broke down and undrivable. just had oil and fluids checked a week ago. all was fine. Has 69000 miles.Hummer H3; Oldsmobile Bravada; Pontiac Firebird – 1994-2002; Pontiac GTO – 2004; Saab 9-7X – 2005-2009; Isuzu Ascender – 2007; What Transmission Do I Have. If you’re still not sure what transmission your car has, look for the VIN number – the Vehicle Identification Number. The 2007 Hummer H3 has 7 problems reported for leaking radiator. Average repair cost is $580 at 80,200 miles. ... H3. Automatic transmission; 92,000 miles; A D V E R T I S E M E N T S.Sep 28, 2015 · Aug 18, 2008 - It is in the engine bay on the driver front side of the motor. Look at the battery and just below it is the ECM/TCM on a bracket right beside ... [SOLVED] - Transmission Shifting Issues. Mar 26, 2011. Additional "TCM" Transmission Control Module. Dec 23, 2014. A "how to" for removing the ECM/ TCM. Apr 9, 2006. 2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ... Hummer H3 2006 to 2010 common problems, issues, recalls, defects and complaints.About Us : http://www.howstuffinmycarworks.com http://ww...2007 Hummer H3 problems (8) View all. 2008 Hummer H3 problems (8) View all. 2009 Hummer H3 problems (7) View all. 2010 Hummer H3 problems (5) View all. Get back on ... Aug 15, 2023 · The Hummer H2 has decent reliability, With J.D. Power giving the 2009 model a score of 3 out of 5. The Hummer H2 has been known to develop problems like mode door actuator failure, gas cap issues, low oil pressure, and engine stalling, among other things. 2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow.Jul 1, 2012 · The 2007 Hummer H3 has 7 problems reported for leaking radiator. Average repair cost is $580 at 80,200 miles. ... H3. Automatic transmission; 92,000 miles; A D V E R T I S E M E N T S. This humming sound will change with the engine’s RPM. Unplugging the alternator from the wiring harness should stop the noise. 2. Power Steering Pump. A failing power steering pump. The power steering pump is a common reason your Hummer H3 might whine when accelerating. If it gets too low on fluid, it’ll whine a lot.Dec 20, 2018 · When there is a large leak in the Hummer H3’s EVAP system, it will throw the P0455 OBDII Code. P0455 indicates a large leak in the evaporative emission control system. (EVAP). There are different leak size codes. For example, P0456 means your H3 has a small EVAP leak. While the trouble code may state that there is a “large leak” in the ... David answered about a year ago. There is a pipe running off the oil pump (oil pickup tube/pipe) that has a screen/ mesh in its end , this can become clogged with debris, especially from small bits of timing chain guides being warn from timing chain , this will cause low flow of oil causing oil light to come on. Mark helpful.Jul 1, 2012 · The 2007 Hummer H3 has 7 problems reported for leaking radiator. Average repair cost is $580 at 80,200 miles. ... H3. Automatic transmission; 92,000 miles; A D V E R T I S E M E N T S. Jul 12, 2022 · The most common gear issue for a 4L60E transmission is a loss of third gear. This problem typically occurs out of the blue. You can put the vehicle into drive and shift it into second gear without issue, and just as you try to go into third, nothing happens. It’s as if your vehicle is stuck in neutral and can’t proceed. Nov 16, 2019 · Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your H3 is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine can lead to serious engine problems. A blown head gasket, engine block, or cracked head are ... The 2007 Hummer H3 has 1 problems reported for transmission cooler busted in radiator. Average repair cost is $2,000 at 92,000 miles.Problem with your Hummer H3? Our list of 9 known complaints reported by owners can help you fix your Hummer H3. ... 2007 Hummer H3 problems (8) View all. 2008 Hummer ... 2007 Hummer H3 Transmission Problems Find something helpful? Spread the word. Click on a problem below to read more. Transmission Failure 5 Transmission Cooler Busted In Radiator 1 NHTSA:... Hummer H3; Oldsmobile Bravada; Pontiac Firebird – 1994-2002; Pontiac GTO – 2004; Saab 9-7X – 2005-2009; Isuzu Ascender – 2007; What Transmission Do I Have. If you’re still not sure what transmission your car has, look for the VIN number – the Vehicle Identification Number. 2007 Hummer H3 Transmission Problems Find something helpful? Spread the word. Click on a problem below to read more. Transmission Failure 5 Transmission Cooler Busted In Radiator 1 NHTSA:... Jan 21, 2019 · The P0700 code in your Hummer H3 is a generic OBD-II code that indicates a malfunction within the transmission control system. This code is not specific to any particular issue but rather points to a general fault in the system. Additionally, the P0700 code usually appears in conjunction with other transmission-related codes or shift solenoid ... Hi MR; Bob I have a 2007 Hummer H3 . The engine light on the codes P0128. I have changed the thermostat and temper senor also the cooling too. But the engine temper gauge only reads150* all time.No ma … read more P0700 is a common code if it’s an electrical issue related to the transmission. If something has gone wrong in the transmission, your H3 may not be able to accelerate anymore, or it’ll. If it can no longer shift, it could be caused by a solenoid/valve body that has gone bad, clutch packs, debris, and much more.2007 Hummer H3 Transmission Problems Find something helpful? Spread the word. Click on a problem below to read more. Transmission Failure 5 Transmission Cooler Busted In Radiator 1 NHTSA:... Mileage: 185,975 miles MPG: 14 city / 18 hwy Color: Black Body Style: SUV Engine: 5 Cyl 3.7 L Transmission: Automatic. Description: Used 2007 Hummer H3 with 4WD, Bucket Seats, Skid Plate, Suspension Package, Luggage Rack, 1SC Package, Keyless Entry, 1SD Package, Fog Lights, 16 Inch Wheels, and Full Size Spare Tire. Jan 13, 2023 · The main difference between a Hummer H2 and H3 is the size. The Hummer H3 was aimed to be cheaper, more economical, and smaller with the goal of appealing to European buyers. The H3 also has smaller engines starting with the base 3.5/3.7 and the biggest 5.3 V8. The H2, on the other hand, only had two engine options, a 6.0 and a 6.2 V8. Conclusion Jan 19, 2015 · 723. Location. Louisiana. Jan 23, 2015. #10. If there is a broken front drive line component and with the vehicle in 4hi normal, and the trans in a forward speed, the output shaft of the transmission will turn sending motion to the corner with the broken component but no vehicle motion. 2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ...Dec 2, 2021 · The most common issue is with the transmission that may be because of mechanical issues, general wear, and tear, due to fault in the system, or by any accident. Let us discuss the hummer h3 transmission issues. Hummer H3 Shifting Problems source: https://www.aamcoleessummit.com/ Hummer H3 is a standard model of the hummer series. The 2007 Hummer H3 has 44 NHTSA complaints for the engine at 84,823 miles average. ... GM service manager mention a spring problem on 2006 2007 rendevous. ... Had to re-build the transmission ...So you get a transmission that’s designed to outlast the original, and a warranty that covers you anywhere in the U.S.A. Hummer H3 transmission problems = Solved. To learn more, give us a call at 1-866-812-7560. Or you can click here to check on the price and availability of a remanufactured Hummer H3 transmission.2007 Hummer H3 Transmission Torque Converter. 2007 Hummer H3 Transmission Mount. 2007 Hummer H3 Transmission Cable Shift (A/T) 2007 Hummer H3 Transmission Pan Gasket - (A/T) 2007 Hummer H3 Auto Trans Oil Cooler Line Fitting. 2007 Hummer H3 Automatic Transmission Rebuild Kit. 2007 Hummer H3 Transmission Oil Cooler Hose.Oct 12, 2019 · Rack and Pinion. May lessen or go away as your H3 warms up. Bad Power Steering Fluid. May appear dark or black. Noise free. Low tire pressure. Tire pressure light may be on. Check the pressure. Here are six of the most common reasons why your H3’s steering wheel may be hard to turn . Problem with your 2007 Hummer H3? Our list of 8 known complaints reported by owners can help you fix your 2007 Hummer H3.2007 Hummer H3 4dr SUV. Leaking out of the output transfer case seal, and clutch slip. Replace left FRT axle. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days ... Hummer H3; Oldsmobile Bravada; Pontiac Firebird – 1994-2002; Pontiac GTO – 2004; Saab 9-7X – 2005-2009; Isuzu Ascender – 2007; What Transmission Do I Have. If you’re still not sure what transmission your car has, look for the VIN number – the Vehicle Identification Number.Hi MR; Bob I have a 2007 Hummer H3 . The engine light on the codes P0128. I have changed the thermostat and temper senor also the cooling too. But the engine temper gauge only reads150* all time.No ma … read moreHi MR; Bob I have a 2007 Hummer H3 . The engine light on the codes P0128. I have changed the thermostat and temper senor also the cooling too. But the engine temper gauge only reads150* all time.No ma … read moreDec 13, 2021 · The Hummer H3, the model of 4L60E does not come out of the gear. The lower gear of these coils can go into the limp home mode. Suddenly, It can make your car very heavy due to nonexistent acceleration. The Powertrain control module (PCM) senses any electronic problem then prevents your car from shifting gear transmission. Transmission problems have been reported by some owners of the 2007 Hummer H3. Image source: Wikimedia. Several owners have complained that their Hummer lost power and exhibited shifting problems while they were on the road. Others reported that their transmission was shaky for a few days. Most of them also had trouble shifting into gears.Dec 19, 2022 · 2007 Hummer H3 Transmission Problems and Repair . 2007 Hummer H3 Transmission Problems. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2007 Hummer H3 problems occur, check out our car reliability stats. 2007 Hummer H3 – Top Speed. Engine and Transmission. 3 model years affected. 2006, 2007, 2008. Average mileage: 93,430. (33,456–224,450) Check Engine Light Diagnosis & Testing : $88 -$111. The average cost for a Hummer H3 Check Engine Light Diagnosis & Testing is between $88 -$111. The 2007 Hummer H3 has 1 problems reported for transmission cooler busted in radiator. Average repair cost is $2,000 at 92,000 miles.Hummer H3 Stalling Problem Causes. Here are some of the issues that cause the H3 to stall out. Remember, a vehicle needs air, fuel, and spark to run. It needs them in the right quantities and intervals, or it won’t run right. Fuel. Fuel issues are one of the most common reasons that a vehicle would stall out, that includes your Hummer H3.2007 Hummer H3 Transmission Torque Converter. 2007 Hummer H3 Transmission Mount. 2007 Hummer H3 Transmission Cable Shift (A/T) 2007 Hummer H3 Transmission Pan Gasket - (A/T) 2007 Hummer H3 Auto Trans Oil Cooler Line Fitting. 2007 Hummer H3 Automatic Transmission Rebuild Kit. 2007 Hummer H3 Transmission Oil Cooler Hose.2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. Hummer H3 in Virginia, United States. Jun 2014 - Nov 2014. Sep 2014. 50000 mi. US $850. Due to a poorly designed sunroof draining sust leaks caused sensors to get wet and tripped the warning lights to ping ABS and stability system errors.The most common issue is with the transmission that may be because of mechanical issues, general wear, and tear, due to fault in the system, or by any accident. Let us discuss the hummer h3 transmission issues. Hummer H3 Shifting Problems source: https://www.aamcoleessummit.com/ Hummer H3 is a standard model of the hummer series.How reliable is the 2007 HUMMER H3? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months. ... 2007 H3 Common Problems Q&A. Common ...Sep 10, 2019 · Hummer H3 Stalling Problem Causes. Here are some of the issues that cause the H3 to stall out. Remember, a vehicle needs air, fuel, and spark to run. It needs them in the right quantities and intervals, or it won’t run right. Fuel. Fuel issues are one of the most common reasons that a vehicle would stall out, that includes your Hummer H3. Oct 21, 2011 · I went to the local dealer and after computer inspection they saw the code po717 input speed sensor with low voltage. they reset the code and asked me to come later. now my hummer is not shifting the gear from 2nd to 3rd and when i shift on D from idle position it drags to speed up even. is it due to some switch or the transmission has gone bonkers? Jan 19, 2015 · 723. Location. Louisiana. Jan 23, 2015. #10. If there is a broken front drive line component and with the vehicle in 4hi normal, and the trans in a forward speed, the output shaft of the transmission will turn sending motion to the corner with the broken component but no vehicle motion. 5 complaints Most Common Solutions: transmission rebuilt (2 reports) changed radiator and transmission cooling system (1 reports) not sure (1 reports) replaced valve body (1 reports)...Dec 13, 2021 · The Hummer H3, the model of 4L60E does not come out of the gear. The lower gear of these coils can go into the limp home mode. Suddenly, It can make your car very heavy due to nonexistent acceleration. The Powertrain control module (PCM) senses any electronic problem then prevents your car from shifting gear transmission. Aug 15, 2023 · The Hummer H2 has decent reliability, With J.D. Power giving the 2009 model a score of 3 out of 5. The Hummer H2 has been known to develop problems like mode door actuator failure, gas cap issues, low oil pressure, and engine stalling, among other things. 2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ... 124 Location Spain May 25, 2015 #1 Well, I have a 2006 Hummer H3 Luxury Automatic with 70000 miles on it. I started to notice that the shifting in 1-2 and 2-3 is a bit slow..like there is first a disengage of the previous gear and then the upshift occurs, the 1-2 is harsh and the 2-3 is not harsh.Worst 2006 Hummer H3 Problems #1: Leaking Valves 2006 H3 Average Cost to Fix: $2,500 Average Mileage: 87,000 mi. Learn More #2: Engine Runs Roughly 2006 H3 Average Cost to Fix: $3,000 Average ...Some common issues include the transmission slipping, not shifting properly, and leaking fluid. If you’re experiencing any of these problems with your H3, it’s best to take it to a mechanic or dealership for diagnosis and repair. If you’re the owner of a Hummer H3, you may have experienced transmission problems at some point.Jan 19, 2015 · 723. Location. Louisiana. Jan 23, 2015. #10. If there is a broken front drive line component and with the vehicle in 4hi normal, and the trans in a forward speed, the output shaft of the transmission will turn sending motion to the corner with the broken component but no vehicle motion. Mar 6, 2018 · 2007 Hummer h3 transmission failure. While going uphill hummer front end shakes and lost all gears. after 20 min it was fine but then a week later happened agian and lost all gears and grinds going into park. hummer is broke down and undrivable. just had oil and fluids checked a week ago. all was fine. Has 69000 miles. 1. Blue Smoke. The most obvious and a telltale sign that your H3 is burning oil is blue smoke. Blue smoke indicates that oil has made its way to the combustion chamber. It is then burned with the gasoline and tints the exhaust blue. Your exhaust will look more like a two stroke engine if it’s bad enough. Here’s more on blue exhaust smoke.2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ... 2007 Hummer H3 problems (8) View all. 2008 Hummer H3 problems (8) View all. 2009 Hummer H3 problems (7) View all. 2010 Hummer H3 problems (5) View all. Get back on ...Transmission in NEUTRAL/Air Conditioner is OFF ECT Sensor Engine Data 1, Engine Data 2, Engine Data 3 °C/°F Varies IMPORTANT: Review the system operation in order to familiarize yourself with the system functions. Refer to Cooling System Description and Operation . 2007 Hummer H3 2007 ENGINE Engine Cooling - H3 MY
2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. Hummer H3 in Virginia, United States. Jun 2014 - Nov 2014. Sep 2014. 50000 mi. US $850. Due to a poorly designed sunroof draining sust leaks caused sensors to get wet and tripped the warning lights to ping ABS and stability system errors.. Los balito
Model Lineup. The 2007 Hummer H3 is offered in two trim levels: base ($29,405) and H3X ($37,545). Both are powered by a 242-hp five-cylinder engine. A five-speed manual transmission is standard; a four-speed automatic is optional ($1,695).2007-07-16. David answered about a year ago. There is a pipe running off the oil pump (oil pickup tube/pipe) that has a screen/ mesh in its end , this can become clogged with debris, especially from small bits of timing chain guides being warn from timing chain , this will cause low flow of oil causing oil light to come on. Mark helpful.2 C175 Engine Harness to Transmission Internal Harness 3 Heated Oxygen Sensor (HO2S) 2 4 Transfer Case Encoder Motor Connector 5 Vehicle Speed Sensor (VSS) Connector 6 Park/Neutral Position (PNP) Switch 2007 Hummer H3 2007 TRANSMISSION Transfer Case - BW 4493/4494 - H3 MY2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X Problem – Drivers may experience the loss of 3rd and 4th gear, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC. Solution – In order to repair this transmission problem, the 2-3 shift valve, 2-3 shuttle valve, and the valve bore will need to be cleaned ... Aug 15, 2023 · The Hummer H2 has decent reliability, With J.D. Power giving the 2009 model a score of 3 out of 5. The Hummer H2 has been known to develop problems like mode door actuator failure, gas cap issues, low oil pressure, and engine stalling, among other things. I went to the local dealer and after computer inspection they saw the code po717 input speed sensor with low voltage. they reset the code and asked me to come later. now my hummer is not shifting the gear from 2nd to 3rd and when i shift on D from idle position it drags to speed up even. is it due to some switch or the transmission has gone bonkers?Jul 29, 2016 · 2007 H3 WONT GO IN REVERSE. Asked by HAASTYLE Jul 29, 2016 at 01:34 PM about the 2007 Hummer H3. Question type: Maintenance & Repair. PUT THE H3 IN REVERSE. PRESS THE GAS MOVES ABOUT 6-8' THEN ITS. LIKE IT IS NEUTRAL NO MOVEMENT. Worst 2006 Hummer H3 Problems #1: Leaking Valves 2006 H3 Average Cost to Fix: $2,500 Average Mileage: 87,000 mi. Learn More #2: Engine Runs Roughly 2006 H3 Average Cost to Fix: $3,000 Average ...2007 Hummer H3 4dr SUV. 242-horsepower 3.7L I5 5-speed manual AWD w/low range. 66000 mi. US $180. Rear U joint failed ten days out of five year warranty, had my local shop change both U joints on shaft, one that failed is greasable, non failed is non greasable, same job would have cost $580.00 at local dealer with truck just 10 days oow.Feb 13, 2012 · SOURCE: 2006 H3 Hummer fan problem Hi if your internal fan not work in any position well i fixed up myself easy and save your money. locate the fan motor air just outside right courtesy drawn document in front of passenger. go from down and look up you will see a motor with a big connector white with 2 screw secure inside the motor block. loose the two screws and pull out gently the connector ... Mileage: 185,975 miles MPG: 14 city / 18 hwy Color: Black Body Style: SUV Engine: 5 Cyl 3.7 L Transmission: Automatic. Description: Used 2007 Hummer H3 with 4WD, Bucket Seats, Skid Plate, Suspension Package, Luggage Rack, 1SC Package, Keyless Entry, 1SD Package, Fog Lights, 16 Inch Wheels, and Full Size Spare Tire. 2007 TRANSMISSION Manual Transmission - Aisin AR5 - H3 SPECIFICATIONS FASTENER TIGHTENING SPECIFICATIONS Fastener Tightening Specifications SEALERS, ADHESIVES AND LUBRICANTS Model Lineup. The 2007 Hummer H3 is offered in two trim levels: base ($29,405) and H3X ($37,545). Both are powered by a 242-hp five-cylinder engine. A five-speed manual transmission is standard; a four-speed automatic is optional ($1,695).2007-07-16.Remove the cap and place a funnel into the opening. Refill the container with the recommended amount of transmission fluid. Return the transmission fluid container’s cap. Turn on the Hummer’s engine and allow it to idle. Attempt to change the Hummer’s gear by shifting the shifter lever to check if the problem persists.Worst 2006 Hummer H3 Problems #1: Leaking Valves 2006 H3 Average Cost to Fix: $2,500 Average Mileage: 87,000 mi. Learn More #2: Engine Runs Roughly 2006 H3 Average Cost to Fix: $3,000 Average ....