DeVille V8-252 4.1L VIN 8 FI (1983)
Air Injection Hose/Tube: Customer Interest
Air Injection Reaction Pipe Corrosion
Bulletin No. T
84-85
File In Group 6E
Number
9
Date
July '84
SUBJECT:
AIR INJECTION REACTION (A.I.R.) PIPE CORROSION
MODELS AFFECTED:
1982-1983 DEVILLE, BROUGHAM, ELDORADO AND SEVILLE
Some 1982-1983 Deville, Brougham, Eldorado and Seville vehicles equipped with the HT4100 engine may experience a condition of A.I.R. pipe
corrosion. In order to alleviate this corrosion potential, a mid-1983 model year production change to stainless steel pipes was initiated. This change was
effective after the following 1983 VIN breakpoints:
A.I.R. Pipe to Left
A.I.R. Pipe to Right
Exhaust Manifold
Exhaust Manifold
Model
(P/N 1627722)
(PIN 1627723)
Deville/Brougham (C Series)
200639
183062
Eldorado (E Series)
636474
629155
Seville (K Series)
816762
812477
On-car service procedures for all A.I.R. system pipes (including the two mentioned above) were inadvertently not published in the 1982-1984 Service
Information Manuals. If replacement of any A.I.R. system pipe is required, refer to the on-car service procedures and warranty information listed below:
WARRANTY INFORMATION Hours
Labor
82-83C 82-84
Operation
84D
E/K
A.I.R. Pipe - Check Valve to Exhaust Manifold (Right)
J6133
1.3
**1.1
A.I.R. Pipe - Check Valve to Exhaust Manifold (Left)
J6134
*1.5
**1.1
A.I.R. Pipe - Check Valve to Exhaust Manifold (Both)
J6135
*2.7
**2.0
A.I.R. Pipe - Catalytic Converter (Upper)
J6102
0.4
-
A.I.R. Pipe - Catalytic Converter (Lower)
J6103
0.3
-
A.I.R. Pipe - Catalytic Converter (One Piece)
J6108
-
0.4
A.I.R. Check Valve
J6086
0.2
0.2
*Increased Time
**Decreased Time
The A.I.R. pipe is a 5 year/50,000 mile emission warranty item and should be replaced without cost to our customers during the 5 year/50,000 mile
period.
82-83 C, E, K; 84 D, E, K ON-CAR SERVICE PROCEDURES
