Attachment Bulletin # 210001
Group: 21Number: 00-01
Date: Dec. 8, 2000
Subject:
Charge Pressure Bypass Valve, Noisy
Model(s):
TT with 1.8L Turbo 2000-->
(eng. codes ATC, AMU, AWP)
Condition
Groaning or howling noise from engine compartment when accelerating during partial load between 2500-3000 RPM.
Rattling noise when decelerating between 2000-3000 RPM.
May be caused by the Internal diaphragm of the Charge pressure bypass valve producing pulsating noises.
SERVICE:
- Road test to verify condition.
- Remove upper engine cover.
- Remove Charge pressure bypass valve.
- Install new Charge pressure bypass valve, Part no: 06A 145 710N.
- Install upper engine cover.
- Road test to verify condition has been eliminated.
CAUTION!
Part numbers are for reference only. Always check with your Parts Dept. for the latest parts information.