XK-8 Coupe (X100) V8-4.0L (AJ26) (1998)
Technical Service Bulletin # 310-06
Date: 020201
Engine - No Start/Idle/Driveability Concerns
310-06
DATE: 10/99
Amended: 2/02
MODELS:
1997 - 98 MY XK8 Range
1998 MY V8 XJ Series NA
1998-99 MY XJR
VIN:
001001-031302
812256-853935
612256-878717
All Driveability Issues/Engine Non-start - Carbon Deposits on Throttle Blade - Cleaning Procedure - AJ26 Engines
Remove and destroy Bulletin 310-06, amended 06/00. Replace with this Bulletin. The throttle body is now removed for cleaning.
Issue:
Some XK8 and V8 XJ Series vehicles, within the above VIN ranges, may experience a condition where the throttle body bore and throttle blade become
coated with a soft sticky carbon deposit. This deposit may cause idle/driveability issues, particularly when the part load breather has become blocked.
(See Technical Bulletin 600-03 Service Action S474, which is to be performed at regular maintenance intervals of 10,000 miles/16,000 Km.)
Action:
In case of a customer complaint of non-start or idle/driveability issues on the above vehicles, clean the throttle blade as explained in Throttle Cleaning
Procedure.
Parts Information
Warranty Information
Throttle Cleaning Procedure
1.
Ensure ignition is OFF and remains OFF throughout the procedure.
2.
Open hood and place protective covers on the fenders.
3.
Clean part-load breather. (Refer to Technical Bulletin 600-03, Service Action S474).
Note:
It is important to clean the part-load breather to ensure that the throttle body and bore do not become coated in the sticky carbon deposit again.
4.
Disconnect vehicle battery.
5.
Remove air intake tube/MAFS/cleaner cover assembly.