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GMC C7500 Recalls & Complaints by Model Year

NHTSA lists 6 safety recalls and 3 owner complaints across 7 model years of the GMC C7500 (1998–2004). The most-complained-about year is 1999.

6
safety recalls, all years
3
owner complaints, all years
1999
year with most recalls
1999
year with most complaints

Pick your GMC C7500 model year

Model yearRecallsComplaints
2004 GMC C750001
2003 GMC C750001
2002 GMC C750010
2001 GMC C750020
2000 GMC C750030
1999 GMC C750041
1998 GMC C750020

What GMC C7500 owners complain about

Across all model years, owners have filed 3 complaints with NHTSA. The 1999 model year has the most, with 1.

All GMC C7500 recalls (6)

Every NHTSA safety campaign that lists a GMC C7500, most recent first, with the model years each one covers.

  1. Gasoline (engine and engine cooling)

    NHTSA 02V287000 Reported 2,011 vehicles potentially affected GENERAL MOTORS CORP.

    Certain medium duty c-series and b7 school bus chassis equipped with a 7.4 liter gas engine and an impco lpg conversion kit. Some of these vehicles may have engine backfires with sufficient force to damage the engine air intake system and the air cleaner filter element.

    Remedy: Dealers will install a redesigned mixer bonnet and air cleaner housing cover, selective upgrades in various connections related to the air induction system, and if needed, a new air cleaner filter. Owner notification…

    Model years: 1999, 2000

  2. Mounting (fuel system)

    NHTSA 02V183000 Reported 222 vehicles potentially affected GENERAL MOTORS CORP.

    On certain medium duty trucks equipped with 8.1 l engines and left hand or dual fuel tanks, some of these vehicles have a condition where the fuel filter-to-component box mounting bolts are reversed. With the bolts reversed, the threaded bolt end is oriented toward the front wall of the left hand fuel tank.

    Remedy: Dealers will inspect and correctly install the two fuel filter mounting bolts, if necessary. Owner notification began august 8, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service…

    Model years: 2001, 2002

  3. Antilock (service brakes)

    NHTSA 00V232008 Reported 30,000 vehicles potentially affected GENERAL MOTORS CORP.

    Vehicle description: school buses, medium duty trucks and tractors built with bendix air ABS with an ec-17 1030r electronic control unit (ECU), there have been reports of unwanted ABS activation at low speeds caused by 1) chafed ABS wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a…

    Remedy: Dealers will replace the ABS ECU.

    Model years: 1998, 1999, 2000, 2001

  4. Automatic transmission (power train)

    NHTSA 00V236000 Reported 12,603 vehicles potentially affected GENERAL MOTORS CORP.

    Vehicle description: medium duty trucks. The transmission fluid could leak from a heat degraded transmission fluid cooler hose onto the exhaust system on the passenger's side of the vehicle.

    Remedy: Dealers will install a new transmission fluid cooler inlet hose and outlet hose designed with a heat sleeve and ensure adequate clearance to the exhaust system take-down pipe. Dealers will also inspect the right-hand…

    Model years: 1999, 2000

  5. Automatic transmission (power train)

    NHTSA 99V320000 Reported 391 vehicles potentially affected GENERAL MOTORS CORP.

    Vehicle description: medium duty conventional cab trucks and school bus chassis equipped with an automatic transmission, have transmission shift cable end rods that have not been crimped to the proper specification. Over time, the shift cable could be pulled out of the rod end causing the driver to lose the ability to manually change…

    Remedy: Dealers will install a new shift cable.

    Model years: 1999

  6. Electrical system: front underhood

    NHTSA 98V073000 Reported 1,590 vehicles potentially affected GENERAL MOTORS CORP.

    Vehicle description: medium duty trucks equipped with air brakes and anti-lock brake systems. Chaffing of the electric brake control harness can occur resulting in an electrical grounding condition. This will illuminate a warning light on the instrument panel and shut off the ABS feature.

    Remedy: Dealers will inspect the harness for chaffing and proper routing and will repair if necessary.

    Model years: 1998

Other GMC models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.