2000 GMC B7 Problems: 0 Complaints, 3 Recalls

The worst 2000 GMC B7 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Engine and engine cooling: engine: gasolineReported November 4, 2002 · 2,011 vehicles affected

What is wrong: 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.
Risk: If the damaged air cleaner parts are dislodged from their normal position, these parts could come in contact with the hot exhaust manifold and/or hot exhaust gas recirculation (egr) valve tube resulting in a possible engine compartment fire.
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 began december 18, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact chevrolet at 1‑800‑222‑1020 or gmc at 1‑800‑462‑8782.

Recall number 02V287000 · Recall details

Service brakes, air: antilockReported September 7, 2000 · 30,000 vehicles affected

What is wrong: 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 certain type of erratic sensor signal.
Risk: This condition could cause the ABS ecu to exhaust the air at the air brake modulators for one or more of the wheels. This could result in extended braking distances and a possible crash.
Remedy: Dealers will replace the ABS ecu.

Recall number 00V232008 · Recall details

Power train: automatic transmissionReported August 23, 2000 · 12,603 vehicles affected

What is wrong: 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.
Risk: This condition could result in a fire.
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 exhaust manifold seal for leakage, and replace if necessary.

Recall number 00V236000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Used buying checklistWhat to check on a 2000 GMC B7 before you buy

Is the 2000 GMC B7 reliable?

Owners have filed 0 complaints about the 2000 GMC B7.

What is the most common problem with the 2000 GMC B7?

There are not enough complaints to tell.

How many recalls does the 2000 GMC B7 have?

3 recalls, covering engine and engine cooling, service brakes, air and power train.

See the problems and recalls for an exact car

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