Brake Drum - Cold Weather Freezing
Number 87-5-9 Date10/87
REAR BRAKE DRUM COLD WEATHER FREEZE
Subject: (DUE TO SNOW INTRUSION)
1985-87 6000 MODELS WITH REAR DRUM BRAKES
Under certain conditions of snow, temperature and vehicle operation; some rear brake drum cavities may become impacted with snow. When parked for extended periods of time at freezing temperatures, the impacted snow may freeze preventing the wheel from rotating.
New rear brake backing plates have been released for service that will help prevent snow from entering the brake drum cavity. The new backing plates are directly interchangeable with the original plates and are designed to function with the original brake drums and components. Refer to the applicable service manual for installation instructions.
Part Number - 18014157 (includes both backing plates)