Most common 2007 GMC Topkick problems
Share of the 2 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
GMC Topkick complaints by model year
Best Topkick years: 2003, 2006. Compare all years →
2007 GMC Topkick recalls (5)
Service brakes, air › Supply › Compressor
GM is recalling 1,880 model year 2007 Chevrolet kodiak and t-series, GMC topkick and t-series, and Isuzu f-series and h-series passenger vehicles equipped with 7.8l diesel engine. The air compressor in some of these vehicles May not build enough air pressure to support the air brake system.
Remedy: Dealers will inspect the air compressor for its ability to build air pressure, and either modify the air compressor by elimination of the suppression valve or replace the air compressor assembly free of charge.
Steering
On certain medium duty trucks equipped with zf model 8018 steering gears, the steering gear May have been produced incorrectly. A steering gear with this condition May produce the feeling of hitting a curb and a cracking or pinging sound when the steering wheel is turned.
Remedy: Dealers will inspect for certain date codes and verify the mileage on steering gears and replace gears as necessary. The recall began on October 25, 2007.
Parking brake
On certain straight towing or non-towing trucks equipped with bendix air brakes, the air brake park control valve May develop either an internal air leak or an air restriction. The park brake May not release or May release only partially.
Remedy: Dealers will inspect and replace the external check valve on the air brake park control valve if the inspection determines the external check valve is damaged, the air brake park control valve will be replaced and May…
Service brakes, air › Supply › Compressor
On certain medium duty conventional and tilt cab trucks equipped with 7.8l diesel engines and air brakes, the air compressor May not build enough air pressure to support the air brake system.
Remedy: Dealers will replace the air compressor head. The recall began on May 23, 2007. Owners May contact Chevrolet at 1-800-630-2438, GMC at 1-866-996-9463, or Isuzu at 1-800-255-6727.
Power train › Axle assembly
On certain trucks, the rear drive axle housing was manufactured with steel below the specified thickness and, as a result, it could develop a crack.
Remedy: Dealers will inspect and replace the axle free of charge. The recall began on April 12, 2007. Owners May contact Chevrolet at 1-800-630-2438 or GMC at 1-866-996-9463.
Frequently asked questions
Is the 2007 GMC Topkick a good car?
Based on 2 owner complaints filed with NHTSA, the 2007 Topkick rates few complaints: 1.6× as many complaints as a typical year of the Topkick at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2007 GMC Topkick?
The engine & cooling — 1 complaint, 50% of all complaints for this model year. Next is the electrical system (1).
How many recalls does the 2007 GMC Topkick have?
There are 5 recalls for the 2007 GMC Topkick, the most recent from July 29, 2009 (compressor). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the GMC Topkick?
The best years by complaints, compared at the same age, are 2003 and 2006. See the full GMC Topkick years comparison.
At what mileage do 2007 GMC Topkick problems happen?
The median mileage reported in complaints is about 16,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.