2007 GMC Sierra Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2007 GMC Sierra Denali
- Daytime Running Lights are Prone to Burning Out
- ABS Light Due to Poor Electrical Ground Under the Battery Tray
- Parking Brake Does Not Hold Due to Worn Parking Brake Shoes
- Steering May Develop Clunk Noise From Upper Intermediate Steering Shaft
- Check Engine Light Due to Restricted Secondary Air Injection Check Valves
2007 GMC Sierra Denali Problems
The daytime running lights are prone to burning out. Our technicians tell us that the light sockets may show signs of heat damage but usually are OK. Always be sure to use the correct replacement bulb for the best life expectancy. The new bulb recommendation for 2000-2003 models is #4114K (trade number).
A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground on the frame rail below the drivers door may be necessary.
Units with 4 wheel disk brakes may develop at situation where the park brake does not hold as it should. Our technicians tell us this can be caused by worn park brake shoes located inside the drum section of the rear brake disks. The worn shoes should be replaced and properly adjusted to correct this issue.
2007 GMC Sierra Denali Questions
it is real loud, dealer can not seem to repair
So I have had this truck 1 yr now and recently the tranny feels like it is staring to hit gears harder. Especially when slowing to a red light but then accelerating as it turns green, it down shifts then feels like it gets confused and finally hits up a gear. I have 69K miles and figure the trann...