Discovery I (LJ) V8-3.9L (1994)
Technical Service Bulletin # TEC120396
Date: 961231
Engine - Misfire Diagnosis
12/31/95
12/03/96/US
SUBJECT:
PRIDE - Misfire Diagnosis
MODEL:
Range Rover 4.0/4.6
Discovery
AFFECTED VEHICLES
LP
TA535685 to TA704868
LH
LJ
VA348678
LD
The following process should be used in order to resolve the problem:
1.
Misfire general checks
2.
Reluctor/Crankshaft sensor checks
3.
Valve stick diagnosis
Refer to the OPERATION PRIDE document for Complete description of checks.
PARTS INFORMATION
ERR7027* - Exhaust valve - (qty. 8)
ERR1782 - Valve stem seals - (qty. 16)
ERR2944 - Cylinder head bolt - (qty. 6)
ERR2943 - Cylinder head bolt - (qty. 13)
STC2822 - Cylinder head gasket set
* Order procedure for the exhaust valves must be followed according to e-mail Product 12-96/01.
PROCEDURE
TESTBOOK
1.
Hook up TestBook and follow directions to retrieve fault codes in line with Service Bulletin W96-007.
2.
Complete a DTCR and fax to LRNA (301)-731-9814.
3.
Follow diagnostic directions from TestBook in order to locate problem.
4.
If Test Book tests do no resolve the problem, the following diagnostics should be carried out.
WARRANTY:
Normal warranty policy and procedures apply.
COMP.CODE:
SRO:
19.22.96 - TestBook hook-up, Access codes, complete DTCR and diagnostic drive cycle per bulletin W96-007 - 1.25 hrs.