Rear Axle Hop During Aggressive Braking - keywords brake dual hard shudder stop vibration
| Subject: | Rear Axle Hop During Aggressive Braking |
| Models: | 2006-2007 Chevrolet Silverado Classic 3500 |
| 2006-2007 GMC Sierra Classic 3500 |
| With Dual Rear Wheels |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern:
Some customer may comment of the rear axle/suspension hopping during aggressive braking. In most cases, the concern only occurs with no load in the bed and during an aggressive stop on dry pavement, The condition generally occurs with an initiation speed of 50 mph (80 km/h) or greater. The ABS may or may not activate during the stop.
Recommendation/Instructions:
Do not replace or machine any brake components.
To correct this concern replace the rear leaf springs with part number 15063185.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
