Consumer has six 1997 b7 with 20000 miles or less and they are all having the same problem. The problem is with the design of the seal for the exhaust between the manifold and the pipes. The design was changed from constant tension to a solid collar which is causing the exhaust to leak. *jg the consumer purchased two 2001 g30 chevrolet mini buses with 5.7 liter engines only to find out that they have the same defect at only 4000 miles.
The worst 1999 GMC B7 Chassis problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine1
Recalls
No recalls on record for this model year.
Technical service bulletins for the 1999 GMC B7 Chassis 8
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This warranty administration bulletin provides information regarding the field action courtesy...
- This technical bulletin provides a procedure to reprogram the media disc player with the latest...
- Vehicle Recalls
- Refinishing Aluminum Wheels
- Underbody Component Corrosion The following information may be helpful when addressing underbody component...
- Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
What 1999 GMC B7 Chassis owners say
Most recent owner complaints, unedited.
Compare the 1999 GMC B7 Chassis
Other model years
1999
Questions about the 1999 GMC B7 Chassis
Is the 1999 GMC B7 Chassis reliable?
Owners have filed 1 complaint about the 1999 GMC B7 Chassis, close to a typical B7 Chassis model year.
What is the most common problem with the 1999 GMC B7 Chassis?
Engine and cooling, with 1 complaint.
How many recalls does the 1999 GMC B7 Chassis have?
No recalls on record.
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