Det er ikke mange feilene som disse 3,9, 5,2 og 5,9 motorene har, men dette er vel faktisk den ene feilen som er gitt ut TSB på fra Chrysler. Så dette er den eneste "offisielle" feilen som chrysler selv har gått ut og skal bli fikset.
fra TSB:
"THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 09-06-99, DATED
SEP. 10, 1999, WHICH SHOULD BE REMOVED FROM YOUR FILES. THIS IS A
COMPLETE REVISION AND NO ASTERISKS HAVE BEEN USED TO HIGHLIGHT
REVISIONS.
SUBJECT:
Spark Knock And Engine Oil Consumption Due To Intake Manifold Pan Gasket Oil Leak
OVERVIEW:
This bulletin involves the replacement of the engine intake manifold plenum pan gasket.
MODELS:
1994 – 1999 (AB) Ram Van
1994 – 1999 (AN) Dakota
1994 – 1999 (BR/BE) Ram Truck
1998 – 1999 (DN) Durango
1994 – 1998 (ZJ) Grand Cherokee
1996 – 1998 (ZG) Grand Cherokee
NOTE: THIS BULLETIN APPLIES TO VEHICLE EQUIPPED WITH A 3.9L, 5.2L. OR
5.9L GASOLINE ENGINE.
SYMPTOM/CONDITION:
An engine intake manifold plenum pan gasket oil leak may occur on some V-6 and V-8
style engines. The oil leak is internal to the engine so no external oil leakage will be
present. Two symptoms of this oil leak condition may be present. The vehicle operator
may experience an engine spark knock during acceleration and/or an increase in the
amount of engine oil consumed by the engine.
DIAGNOSIS:
Make sure Technical Service Bulletin (TSB) 18-48-98 has been performed.
NOTE: IT IS IMPORTANT THAT THE COIL AND SPARK PLUG WIRES ARE ROUTED
EXACTLY AS SPECIFIED IN TSB 18-48-98 TO ACHIEVE THE MOST
BENEFIT.
for og lese hele TSB'n, gå inn på min side på:
http://jeepzj.hamcar.info/se under "literature". der finner du hele den komplette TSB'n