Fuel System - Rattling/Jarring Noise From Engine
21 Rattling/jarring noise from engine - 2.0 TFSI EA888 transverse
32
21 12 09
2027585/3
May 16, 2012.
Supersedes Technical Service Bulletin Group 21 number 12 - 08 dated March 6, 2012 for reasons listed below.
Affected Vehicles
Condition
Rattling/jarring noises from the engine compartment/exhaust system between 1800 - 2900 rpm.
Technical Background
Because of exhaust gas pulsations, the wastegate flap and rods vibrate at the start of the boost air control. This leads to rattling or jarring noises.
Production Solution
Not applicable.
Service
Fit a spring clip on the wastegate adjustment.
On vehicles with front-wheel drive:
1. Remove the noise damping according to the repair manual:
Repair Manual >> Body >> Body Exterior >> 50 Body Front >> Removal and Installation >> Noise Insulation.
2. Remove the drive shaft protection.
33
3. Fit the clip from the side and turn it left till the lugs slot in.
On vehicles with four-wheel drive (Quattro):
1. Remove the propshaft heat shield:
Repair Manual >> Body >> 66 Exterior Equipment >> Removal and Installation >> Underbody Trim Panels >> Heat Shields, Driveshaft
2. Reach through from behind and position the clip.
34
3. Fit the spring clip (Figure 4) with the part number 06J 145 220 A on the wastegate adjustment (Figure 5).
Tip:Observe the following points when fitting the spring clip:
^ The spring clip must not be overstretched. The maximum opening of the spring clip is 14 mm. In Figure 6, 1 the opening is about 10.5
mm.
^ The spring clip must be replaced after every removal.
35
^ After fitting the spring clip check for correct fit (Figure 7).
^ After fitting the spring clip check the position of the original circlip (Figure 6, 2) and correct it if necessary.
Warranty
36
Required Parts and Tools
Additional Information
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
manuals for the latest information.
