What was the transmission problem on my GMC Sierra?
Spun a main bearing which fell threw to the back of the transmission eating all the gears except reverse. Intermittent “Service 4WD” light and no ability to select 4WD on the dash panel. I was told by another repair mechanic that there was a leak in the front right CV Boot.
What was the problem with my transmission overheating?
The problem was a malfunctioning thermal bypass valve. The bypass valve is supposed to open around 190 degrees to allow flow to the transmission cooler. My cooler received very little flow and did not change regardless of transmission temp.
What should the transmission temp be in a Chevy Silverado?
In the February 2011 issue of Trailer Life magazine RV Clinic in response to a reader about the maximum transmission temperature allowed in a 2009 Chevy Silverado, the Tech Team had this response.
How much horsepower does a GMC Sierra 1500 have?
420-horsepower 6.2L V8 8-speed shiftable automatic 4WD w/low range Automatic 8 speed trans hard shifting from 1st to 2nd and 3rd to 2nd gears under light throttle. Reprogram of trans control and other modules.
What kind of transmission does a 2011 Sierra have?
He’s got a 2011 5.3 so he has the 6 speed, the 4 speed on only offered on the 4.3 v-6 and 4.8 v-8. I think in 2010 they started using these transmission setups. That should tell you what was installed in your truck at the factory. The compnine site is only updated through 2009 (and some early 2010) models. The OP has a 2011.
What should the transmission temp be in a Silverado Sierra?
Transmission temp to hot? Check the owners manual, 180-200 is considered normal operating range. Often owners overfill the transmission because they check it when its below normal operating temp, it reads low and they add fluid. Then when it at operating temp, it expands and it will read over-full.
The problem was a malfunctioning thermal bypass valve. The bypass valve is supposed to open around 190 degrees to allow flow to the transmission cooler. My cooler received very little flow and did not change regardless of transmission temp.
Why does my Silverado Sierra overheat when idling?
It’s temp gauge has always read at just before the 210 mark since new but the other day while at a drive thru it started climbing higher and the temperature here has been high 80s to mid 90s only. Could it be the water pump? The truck has about 95k miles on it. Not sure how long these factory pumps last.
How is the transmission on a Chevy Silverado controlled?
The transmission in your truck is controlled by the PCM (powertrain control module). It is sophisticated enough to be able to tell you if there is an issue with your transmission. The local auto supply may be able to scan it, but it may take a better scanner to dive deeper into the PCM.
Why is my Chevy Silverado transmission not working?
If any accessories have been added like a remote start or aftermarket sound equipment, the wiring may have been damaged or compromised. Sometimes, you have to remove them. Gauges that are not working could mean a faulty ignition switch. This has been an issue on this truck series.
What can go wrong with an automatic transmission?
A lot can go wrong with an automatic transmission. But understanding what could be wrong and then determining what would be involved to get it repaired (or if it even makes sense to try to get it repaired instead of swapping it out for a re-manufactured transmission), is what this article is all about.
Are there any transmission problems with my GMC Truck?
Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. Symptoms include harsh or delayed shifting, inability to engage certain gears, and slipping when shifting gears. These problems can even lead to transmission overheating in some cases.
The transmission in your truck is controlled by the PCM (powertrain control module). It is sophisticated enough to be able to tell you if there is an issue with your transmission. The local auto supply may be able to scan it, but it may take a better scanner to dive deeper into the PCM.
Are there any problems with GMC 8 speed transmission?
GMC vehicles with 8-speed 8L90 and 8L45 transmission can develop intermittent problems regarding the transmission temperature. Symptoms that drivers can experience include improbable temperature readings to overheating, slipping, and harsh shifting. These issues will trigger a check engine light, so there will be a fault code stored in DTC memory.
Is there a GM hard shift transmission defect?
Ultimately, GM owners and lessees face mounting repair costs because of the alleged defect, the complaint says.
Is there a trans code reader for a GMC Sierra?
If you have a trans code reader and it codes 72 have a dealer check for bad selector switch. Regular code readers like a snap-on mt-2500 can read transmission data, as where other odb2 readers will not. Specialized tools are required to accurately diagnose trans problems!
Are there any problems with the GMC 4 speed transmission?
GMC vehicles with a 4-speed automatic 4L60E or 4L65E transmission can have intermittent or constant problems with selecting reverse. This will manifest itself as an inability to engage reverse gear while there are no issues with the engagement of other gears. There will be no other symptoms. The worn or faulty servo engages the reverse gear.
What causes a GMC to not shift gears?
Vehicle won’t move in any gear. Low transmission fluid level – One of the most common issues that prevent a GMC vehicle from shifting when placed in the Drive (D) or Reverse (R) is a low transmission fluid level. Shifter link – The shifter link connects the shifter to the transmission valve body.
Spun a main bearing which fell threw to the back of the transmission eating all the gears except reverse. Intermittent “Service 4WD” light and no ability to select 4WD on the dash panel. I was told by another repair mechanic that there was a leak in the front right CV Boot.
What to do if your Chevy Silverado has transmission problem?
It appears to be the common problem of sun gear failure. From what I read on the net, the only thing to do is rebuild the tranny or get a new one. The GM dealership here said it would likely be $1000 just to diagnose the problem, as they would likely have to tear down the transmission.
Vehicle won’t move in any gear. Low transmission fluid level – One of the most common issues that prevent a GMC vehicle from shifting when placed in the Drive (D) or Reverse (R) is a low transmission fluid level. Shifter link – The shifter link connects the shifter to the transmission valve body.
How to tell the wheel size of a GMC Sierra?
Add Wheel Size Widget to your website New! Wheel Size Widget for your website! New! Heads up! Highlighted items are for OEM wheels, the rest are replacement options Heads up! Found a bug? Have a question about GMC Sierra 1500 2006 wheel specs?
How often does the GMC Sierra come out?
Their four generations have appeared every five to seven years: 1999 to 2007, 2007 to 2014, 2014 to 2019, and 2019 to the present. Here’s a look at some of the most common problems the GMC Sierra has had over the years.
How big is the GMC Sierra crew cab?
2006 GMC SIERRA 1500 CREW CAB 143.5″WB4. 4WD, 6 PASSENGER,AIR CONDITIONED, CRUISE CONTROL, FOG LIGHTS, RUNNING BOARDS. 6IN LIFT KIT. Introducing the 2006 GMC Sierra! This is an exceptional vehicle at an affordable price! Smooth gearshifts are achieved thanks to the powerful 8 cylinder engine, providing a spirited, yet composed ride and drive.
What are the problems with a 2006 GMC Sierra 1500?
1 Brake Lines Rusting Out 2006 Sierra 1500 Average Cost to Fix: $1,000 Average Mileage: 97,000 mi 2 Worn Out Wheel Bearing 2006 Sierra 1500 Average Cost to Fix: $500 Average Mileage: 82,000 mi 3 Transmission Slipping 2006 Sierra 1500
What kind of bed does a GMC Sierra 1500 have?
A carry-over from 2005, the Sierra 1500 is a full-size pickup truck offered in Regular, Extended and Crew Cab configurations. Trim levels are the base WT (work truck), SLE, and SLT, available in either two or four-wheel-drive. You also have a choice of bed length, with 5.8’, 6.6’ or 8’, for those who need to carry a 4×8 sheet of wood.
What kind of transmission does a 1989 Chevy 1500 have?
Four-wheel-drive diesels came standard with a three-speed automatic overdrive transmission. In respect to this, what transmission is in a 89 Chevy 1500? The ’89 should have a 700r4/4L60 4 spd (some came with the turbo 350 3 spd) and the ’94 should have a 4L60e with the stand alone TCU (tranny control unit) on the inner fender to control it.
How much does it cost to repair a GMC Sierra?
The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance. 420-horsepower 6.2L V8 8-speed shiftable automatic 4WD w/low range
When did the GMC Hydra Matic 700R4 come out?
The four-speed Turbo Hydra-Matic 700R4 was introduced for the 1982 model year for use in Chevrolet/GMC vehicles. In 1990, the Turbo Hydra-Matic 700R4 was renamed the 4L60.