GMC Topkick complaints by model year
Best Topkick years: 2003, 2006. Compare all years →
2006 GMC Topkick recalls (4)
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
Certain trucks fail to comply with the requirements of federal motor vehicle safety standard no. 121, "air brake systems." an internal control and check valve within the air brake application valve assembly was configured improperly, preventing air from flowing through the brake system as designed.
Remedy: Dealers will replace the air brake application valve assembly on c-series or reroute the air brake lines on t-series free of charge. The recall began on September 20, 2006.
Parking brake › Conventional › Air
Certain medium duty trucks equipped sr-7 bendix brake valves, the check valve inside the valve cavity May not properly set, causing internal air leakage. If the check valve does not properly seat, the resulting leakage can cause a delay in the application of the spring brakes to park the vehicle after operator pulls the dash…
Remedy: Dealers will inspect the valves and replace it free of charge. The recall began on July 31, 2006. Owners May contact Chevrolet at 1-800-630-2438, GMC at 1-866-996-9463, or Isuzu at 1-800-255-6727.
Frequently asked questions
How many recalls does the 2006 GMC Topkick have?
There are 4 recalls for the 2006 GMC Topkick, the most recent from October 4, 2007 (steering). 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.
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.