Au7o mascotAu7o
Known IssuesTest Hub demo
  1. Au7o
  2. /
  3. Known Issues
  4. /
  5. GMC
  6. /
  7. Suburban
GMC · Known Issues

1992 GMC Suburban Problems: 1 Known Issue

1992 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

Share:@au7o.io

1992 · All trims · All engines

Choose the year and equipment for your written issues and visual request.

No email neededHow interest is saved

Interest applies to the selected vehicle and configuration; it is not a reservation. Voting stores a first-party identifier for up to 180 days to prevent repeat votes. No account or email is needed. Clearing cookies or using another device may count separately. Privacy

Visual coming soon

Your interest helps us choose what to build next.

Visual Known Issues · Coming soon

$4.99/month plus taxes at launch · No payment today

Preview the XT6 example
Known IssuesMotorcycle IssuesDTC LookupDrivePricingAboutTermsPrivacyCookiesConsentData rightsCopyrightFeedback
Share:@au7o.io

Vehicle data and repair guidance on this site are compiled with AI assistance and may contain errors. Always verify with your service manual or a qualified mechanic.

Data protection representation

DataRep representative in the United KingdomDataRep representative in the European Union
Au7o · 2026
Built for DIY mechanics. Privacy-first.
Explore free Hub demo
Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1992 GMC Suburban has 1 documented issue. None of the listed issues is rated critical; this is not a complete reliability assessment. Across all issues with published estimates, repair costs range from $150 to $600. DIY maintenance guides at au7o.io.

In This Article

  • Suburban Interior1
  • Recalls10
  • FAQ
Get Started
Back to top

In This Article

  • Interior1
  • Recalls10
  • FAQ

All 1 Known Issue

Filter:
ALL YEARS200620052004200320022001200019991998199719961995199419931992

On the 1992-1999 GMC Suburban, the rear heating and A/C system suffers from blower motor failure and rear heater core leaks. The rear heater core is located under the rear cargo area and is susceptible to coolant corrosion.

Common Symptoms

  • No heat or A/C in rear
  • Coolant smell in cargo area
  • Wet carpet in rear
  • Rear blower motor doesn't work

How to Fix

Replace rear blower motor (VDO PM3542) and/or rear heater core. The rear heater core requires removal of rear cargo panels for access. Flush the cooling system and use proper coolant mix to prevent future corrosion.

Typical repair cost:$150 - $600

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium Confidence
NHTSA Recalls10 recalls

FUEL SYSTEM, GASOLINE

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS APPLICATIONS"). THE CONNECTOR ON THE FUEL FILTER WAS NOT MANUFACTURED TO HONEYWELL'S SPECIFICATION. AS A RESULT, THE O-RING MAY NOT SEAT CORRECTLY ON THE FUEL LINE.

Campaign #06E04300019/05/2006

SEAT BELTS:FRONT:WEBBING

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. THESE VEHICLES DO NOT COMPLY WITH THE OCCUPANT PROTECTION REQUIREMENTS OF FMVSS NO. 208, "OCCUPANT CRASH PROTECTION."

Campaign #00V12200027/04/2000

POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

DUE TO A THIN CASE CASTING, AN EXTERNAL TRANSMISSION LEAK CAN OCCUR.

Campaign #95V026000
🔧
A mechanic who knows YOUR exact car
Answers tuned to your year, make, model & trim — not generic advice. Save your garage so it always has the right context.
Get ahead of GMC Suburban problems — free
Leave your email and we'll alert you the moment there's a new recall or known issue for your GMC Suburban. Free, no account needed.

Don't see your problem? Describe your symptoms to get a diagnosis, or get a full repair guide.

Other GMC Models

GMC Sierra 150035GMC Terrain26GMC Yukon XL24GMC Sierra 3500HD24GMC Acadia22GMC Yukon21

Frequently Asked Questions

What are the most common GMC Suburban problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1992 GMC Suburban has 1 documented issue. The documented issue is: Rear HVAC Blower Motor and Heater Core Failure. None are rated critical, but regular maintenance is recommended.

Is the GMC Suburban reliable?

The 1992 GMC Suburban has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. None of the matching records is rated critical; this is not a complete reliability assessment. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common GMC Suburban problems?

Repair costs for known GMC Suburban issues range from $150 to $600, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 1992-1999 GMC Suburban Rear HVAC Blower Motor and Heater Core Failure?

The rear heating and A/C system suffers from blower motor failure and rear heater core leaks. The rear heater core is located under the rear cargo area and is susceptible to coolant corrosion. Repairs typically run $150-$600. Severity: low.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

16/02/1995

VISIBILITY:WINDSHIELD WIPER/WASHER

ON CERTAIN MINIVANS, PICKUP TRUCKS, AND SPORT UTILITY VEHICLES WITH CERTAIN MODEL-ENGINE COMBINATIONS, THE WINDSHIELD WIPER MOTOR MAY FAIL DUE TO CRACKED SOLDER JOINTS ON THE CONTROLLER CIRCUIT BOARD. THE WINDSHIELD WIPERS COULD WORK INTERMITTENTLY OR NOT AT ALL.

Campaign #03V15900028/04/2003

VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

CERTAIN SPORT UTILITY VEHICLES, MINI VANS, AND PICKUP TRUCKS MAY DEVELOP A SHORT CIRCUIT IN THE ELECTRIC OUTSIDE REARVIEW MIRROR SWITCH.

Campaign #03V09300007/03/2003

+ 5 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.