Table 1 shows one common other fuel system related problems of the 2007 GMC Sierra.
| Problem Category | Number of Problems |
|---|---|
| Other Fuel System problems |
The primer pump housing develops a small leak around a electrical connection. This could lead to a fire as fuel drops on the engine. Gm is aware of problem it has been on going for several years. It only occurs when vehicle is running. Note-no fire has happen to my vehicle, nor do I know of a fire occurring. I just believe this is unsafe. The only way to correct the problem is to replace primer pump housing.
2007 GMC crewcab Sierra with 5. 3 liter ,auto, has had three plastic fuel line failures in last two years. After detecting a fuel odor, gas was found to be dripping/sprayed in the area of the exhaust pipe. Appears to be a fire risk. Same truck was delivered with warped flex plate, and has experienced major and repeated a/c failures. This truck is driven by a 50's female, has never towed, been off road etc. It is at a repair shop but has about 35000 miles on it.
Why is gm recall 14121 limited to new vehicles? it has been a recurrent, common problem since long before 2000. Long before I bought my 2007 GMC Sierra classic 2500hd which is on the third repair. I just replaced a transmission cooler line in my driveway. Today. Which is steadily eroding by way of continuous transmission cooler leaks. It continuously coats the underside of vehicle, reducing life of belts and hoses. Gm dealers feel its not covered by 5/100k powertrain warranty, or 36k bumper-bumper warranty because it's a long time gm problem as well as warranties in general.