Wrangler L4-2.4L VIN 1 (2006)
Drive Belt: Customer Interest
Engine - Drive Belt Chirping Noise
NUMBER: 07-001-06
GROUP: Cooling
DATE: February 15, 2006
THIS BULLETIN IS BEING PROVIDED IN ADVANCE. DO NOT ORDER PARTS OR PERFORM ANY ACTIONS RELATED TO THIS
BULLETIN UNTIL FEBRUARY 20, 2006.
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 07-003-05, DATED JULY 28, 2005, WHICH SHOULD BE REMOVED
FROM YOUR FILES. THIS IS A COMPLETE REVISION AND NO ASTERISKS HAVE BEEN USED TO HIGHLIGHT REVISIONS.
SUBJECT:
2.4L Engine - Chirp-Like Sound From Accessory Drive Belt
OVERVIEW:
This bulletin involves the installation of a new serpentine accessory drive belt and on some vehicles a revised drive belt routing.
MODELS:
2003 - 2005
(KJ)
Liberty / Cherokee
2003 - 2006
(TJ)
Wrangler
NOTE:
This bulletin applies to vehicles equipped with a 2.4L engine (sales code EDI) built prior to January 01, 2006 (MDH 0101XX).
SYMPTOM/CONDITION:
The customer may experience a chirp-like sound from the serpentine accessory drive belt. This condition may be most noticeable when the engine is at
idle and during high ambient temperatures. Previous drive belt replacement(s) may have temporarily eliminated the drive belt chirp-like sound, with the
sound returning after low mileage accumulation on the replacement belt.
DIAGNOSIS:
1.
Verify that the front face surface of the power steering pulley center hub is flush with the end of the power steering pump shaft.
2.
What model year is the vehicle?
a.
If vehicle is 2006 M.Y. >> then perform SECTION A - REPLACE BELT
b.
If vehicle is 2003 to 2005 M.Y. >> then perform SECTION B - REMOVE IDLER PULLEY AND REPLACE BELT
PARTS REQUIRED:
REPAIR PROCEDURE:
SECTION A - REPLACE BELT
CAUTION:
DO NOT LET THE BELT TENSIONER SNAP BACK TO THE FREEARM POSITION, SEVERE DAMAGE MAY OCCUR TO THE
TENSIONER.
1.
Disconnect and isolate the negative battery cable from the battery.
