The Hummer H3 became geared up with the 4L60E. But they aren’t without their troubles though, so let’s have a take a observe a number of the maximum not unusual place Hummer H3 transmission troubles, have a take a observe value estimates and parent out what you may do approximately them.
Common Hummer H3 Transmission Problems
Intermittent harsh shifting – 4L60E Transmission
Problem – A not unusual place 4L60E transmission hassle is an intermittent difficult 1-2 shift, frequently followed via way of means of engine bogging. This circumstance may be due to the torque convertor seize making use of all through the shift.
Solution – To treatment the hassle, the wiring harness wishes to be inspected from the transmission case connector to the rear of the engine at the motive force side. It’s viable that the wires for the TCC solenoid and strain manage solenoid have come to be frayed on a frame seam. If that is the case, the wiring will want to be repaired, and the harness repositioned.
- Lack of Response
- Leaking Fluid
- Low Fluid
- Burning Smell
- Grinding or Shaking
- Whining, Clunking or Humming
- Refuses to Go Into Gear
- Torque Converter Issues
- Valve Body Issues
- Transmission Noisy in Neutral
- Gears Slipping
- No third or 4th Gear
- No 1st or 2d Gear
- No Reverse
- Dragging Clutch
- Trouble Codes / Check Engine Light
How regularly does a Hummer H3 transmission want to be replaced?
The average lifespan of a Hummer H3 transmission in large part relies upon on how properly it became maintained. Factory layout flaws additionally aspect into this equation, along side how/how difficult you drive. But on average, we’ve visible the Hummer H3 transmission closing for among 130,000-180,000 miles. A excessive exceptional alternative transmission however, can closing appreciably longer if all the manufacturing unit layout flaws had been addressed and the car has been maintained.
How are Hummer H3 transmission problems diagnosed?
It within reason smooth to guesstimate what the foundation purpose of your Hummer H3 transmission issues may be, however you won’t clearly recognize except you’ve got got the proper gear and revel in. A correct mechanic or transmission restore middle could be capable of join your truck to a pc and discover which diagnostic problem codes (DTC’s) had been stored. Once they recognize what to appearance for, they are able to carry out a visible inspection to affirm the trouble.
How is a Hummer H3 transmission replaced?
In order to update your Hummer H3 transmission, the truck must be lifted from the floor so that it will advantage get admission to to all the elements in an effort to want to be unbolted. Then the transmission may be diminished to the floor (normally with a transmission jack), so the brand new transmission may be installed. Once it’s miles in place, for the 6L80, the car PCM will should be reprogrammed / reflashed to just accept the brand new transmission the usage of the modern day GM subscription.
Recommendations for Hummer H3 transmission problems?
To keep time and get again on the street faster, have your 17-digit truck VIN# available and you could get a web quote for a reman Hummer H3 transmission right here, then discover a neighborhood keep the usage of our Find a Shop manual to put in it for you.
How to Solve Hummer H3 Transmission Problems
Solution A: Buy a Used Hummer H3 Transmission
The fastest manner to repair your transmission issues is to virtually purchase a used transmission or used Hummer transmission. These may be determined at maximum junk yards, and that they regularly include a 30-ninety day guarantee. However, there’s no manner to decide the real situation of the inner components, so that you will be spending a gaggle of cash to have the precise equal issues. Plus, that guarantee simplest covers the transmission if it’s defective, now no longer the exertions expenses that you’ll should pay.
Solution B: Buy a Rebuilt Hummer H3 Transmission
Another alternative might be a rebuilt transmission or rebuilt transmission. A neighborhood restore keep will put off your transmission, then deployation a gaggle of recent elements throughout the rebuild. The trouble right here is, the competencies and revel in of every transmission rebuilder will range broadly from keep to keep, so that you ought to have issues from some thing that wasn’t adjusted properly. And the 1-2 yr guarantee may simplest cowl you at sure transmission restore shops, in a selected geographical area.
Solution C: Buy a Remanufactured Hummer H3 Transmission
Many proprietors rely upon their car to go back and forth and get matters done. Their fuel engines are designed to move 100’s of lots of miles, so it makes experience to spend money on a remanufactured transmission.
Hummer H3 Technical Service Bulletins (TSB)
TSB 08-07-30-027 – No actions whilst transmission is shifted into Drive or third – 4L60E Transmission – 4L65E Transmission – 4L70E Transmission
1982-2005 GM Passenger Cars and Light Duty Trucks: 2006-2007 Buick Rainier – 2006 Cadillac Escalade, Escalade ESV & Escalade EXT – 2006 Chevrolet SSR – 2006-2008 Chevrolet Avalanche – 2006-2008 Chevrolet Colorado – 2006-2008 Chevrolet Express – 2006-2008 Chevrolet Silverado Classic – 2006-2008 Chevrolet Silverado – 2006-2008 Chevrolet Suburban – 2006-2008 Chevrolet Tahoe – 2006-2008 Chevrolet TrailBlazer – 2006 GMC Yukon Denali – 2006 GMC Yukon Denali XL – 2006-2008 GMC Canyon – 2006-2008 GMC Envoy – 2006-2008 GMC Savana – 2006-2008 GMC Sierra Classic – 2006-2008 GMC Sierra – 2006-2008 GMC Yukon – 2006-2008 GMC Yukon XL – 2006 Pontiac GTO – 2006-2007 HUMMER H2 – 2006-2008 HUMMER H3 – 2006-2008 Saab 9-7X – with the 4L60, 4L60E, 4L65E or 4L70E Automatic Transmission (RPOs MD8, M30, M32, M33 or M70)
Problem – It is viable to revel in no motion whilst the transmission is shifted into Drive or the third equipment position. It is viable to revel in regular operation whilst the transmission shifted into second, first, or reverse.
Solution – Replace the ahead sprag assembly
TSB 06-07-30-007A – Harsh 1-2 shift with P0894 DTC – 4L60E Transmission | 4L65 Transmission | 4L70E Transmission
2006 Cadillac Escalade Models – 2006 Chevrolet Light Duty Trucks – 2006 Chevrolet Express Vans – 2006 GMC Light Duty Trucks – 2006 GMC Savana Vans – 2006 Pontiac GTO – 2006 HUMMER H2, H3 – 2006 Saab 9-7X – with 4L60-E / 4L65-E / 4L70-E (RPOs M30, M32, M70) Automatic Transmission
Problem – Drivers may also revel in an surprisingly harsh 1-2 shift with a P0894 DTC
Solution – Replace the TCC permit solenoid and/or wiring harness
TSB 08-07-30-008B – Diagnostic facts for P0894 and P1870 DTC – 4L60E Transmission | 4L65 Transmission | 4L70E Transmission
2003-2007 GM Passenger Cars and Light Duty Trucks – 2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X – with 4L60-E, 4L65-E or 4L70-E Automatic Transmission (RPOs M30, M32 or M70)
Problem – This pertains to drivers who revel in surprisingly harsh 1-2 shifts, in conjunction with a P0804 and/or a P1870 DTC.
Solution – It is viable that a leaking TCC solenoid, a torque converter take hold of valve or broken turbine shaft O-ring seal ought to motive those diagnostic hassle codes. However, it is able to additionally be resulting from a failed torque converter.
TSB PIP4051C – Harsh Shifting – 4L60E Transmission
Problem – Unusually harsh equipment changes, blended with a P0717 DTC for an enter shaft velocity sensor error, are regularly resulting from harm to the ISS sensor wiring.
Solution – If twine harm is found (normally to the white twine), the wiring and sensor will ought to be replaced. The pump cowl need to additionally be tested for sharp points/edges that might harm the wiring. If any are found, they need to be smoothed with a file.
TSB 01-07-30-038D – Poor transmission performance/slipping with P0757 DTC – 4L60E Transmission – 4L65E Transmission – 4L70E Transmission
2003-2007 HUMMER H2 – 2006-2007 HUMMER H3 – 2005-2007 Saab 9-7X
Problem – Drivers may also revel in the lack of third and 4th equipment, erratic shifting, slipping, freewheeling above 30 mph and a P0757 DTC.
Solution – In order to restore this transmission problem, the 2-three shift valve, 2-three travel valve, and the valve bore will want to be wiped clean of any debris. The 2-four band and/or three-four clutches may want to be inspected and changed.
