Suspension - Popping Noise When Braking
Bulletin No.: 04-03-08-004Date: April 13, 2004
TECHNICAL
Subject:
Pop or Knock Noise from Front End of Vehicle During Braking (Retighten Lower Control Arm Nuts)
Models:
2004 Chevrolet Astro Van
2004 GMC Safari Van
with Rear Wheel Drive (RWD)
Built Prior to the VIN Breakpoints shown.
Condition
Some customers may comment on a pop or knock noise during braking. The noise may be heard during braking in forward and reverse. The noise may only occur once per direction change of the vehicle.
Correction
Retighten the lower control arm nuts with the vehicle weight on the wheels.
Tighten
Tighten the lower control arm nuts to 105 N.m (77 lb ft) with the vehicle weight on the wheels.
Warranty Information
For vehicles repaired under warranty, use the table shown.
Disclaimer