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definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
22,200 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

1999 GMC Suburban AC / heater problems

AC / heater problem

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1999 GMC Suburban Owner Comments

problem #5

Jun 232004


  • 111,000 miles


The consumer stated water was leaking from the rear A/C causing mold to accumulate inside the vehicle. This problem caused the consumer to feel ill.

- Lincolnton, GA, USA

problem #4

Dec 052000


  • miles
12/5/00 replacement of A/C compressor still has not corrected the problem. Tired and disgusted with dealership. Had other problems with engine hesitates when taking off & driving 30 mph, unable to find cause, dealer states calif. Gas.

- Bermuda Dunes, CA, USA

problem #3

Sep 011999

Suburban 4WD

  • Automatic transmission
  • miles
Consumer noticed high pitched whistle from the air vents, dealer found problem to be caused by a small bladder in the air conditioning unit which once removed is almost impossible to replace correctly.

- Bella Vista, AR, USA

problem #2

Jun 301999

Suburban 4WD

  • miles
No summary

- Las Vegas, NV, USA

problem #1

Jul 201998

Suburban 4WD

  • miles
The A/C stunk; I felt insecure with the brakes soft most times.twice we drove 45 mi. To midway and they did not take the vehicle in, GMC said to go to nearest dealer.

- Chandler, AZ, USA

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