The worst 1990 GMC C7 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 1
Service brakes, air: supply: hoses, lines/piping, and fittings
- What is wrong
- The front air brake hoses can contact the inner fender extensions.
- Risk
- This interference can chafe the brake hoses to the pointof rupture, resulting in loss of front brakes with potential for an accident.
- Remedy
- Cut out a portion of inner fender extensions to prevent interference. Also, replace any damaged front brake hoses.
Recall number 89V208000 · Recall details
Technical service bulletins for the 1990 GMC C7 2
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
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Questions about the 1990 GMC C7
Is the 1990 GMC C7 reliable?
Owners have filed 0 complaints about the 1990 GMC C7.
What is the most common problem with the 1990 GMC C7?
There are not enough complaints to tell.
How many recalls does the 1990 GMC C7 have?
1 recall, covering service brakes, air.
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