audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

All Technical Service Bulletins for Wastegate:|218301A|Page 1459 > < Customer Interest for Wastegate:|218301A|Page 1456
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Wastegate: All Technical Service Bulletins
Turbo - Correcting Engine Misfire at Full Throttle

Applies To

5000 Turbo (Gas)

(Supersedes Product Circular, Grp. 21, No. 82-02)
Group

21
Subject:

Waste-Gate Control Line

Part Identifier 21 65
Key Points

Correcting engine miss at full throttle 
up to VIN 43DN 021 364/85CA901 330

C

Number

83-01

January 7,1983
Engine miss under hard acceleration can occur if Turbo pressure is too high. This can happen if the control-pressure pipe from the exhaust manifold to
the wastegate becomes clogged by carbon or ice. To reduce this clogging tendency, the hollow bolt connecting the control-pressure pipe to the wastegate
has been enlarged from 10 mm to 14 mm diameter.

Earlier vehicles, repairing

To correct this problem on vehicles with VIN numbers earlier than 43DN021364 (5000T), install new parts as follows:

Parts required

All Technical Service Bulletins for Wastegate:|218301A|Page 1459 > < Customer Interest for Wastegate:|218301A|Page 1456