Commander 4WD V6-3.7L VIN K (2007)
Intake Manifold: All Technical Service Bulletins
Engine - Underhood Whistle While Driving
NUMBER: 09-001-07
GROUP: Engine
DATE: March 14, 2007
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 09-009-06, DATED SEPTEMBER 09, 2006, WHICH SHOULD BE
REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES THE ADDITION OF A
CLEAN POINT IN THE MODELS SECTION.
SUBJECT:
Intake-to-Throttle Body Joint May Cause A Whistle-Like Sound On 3.7L Engines
OVERVIEW:
This bulletin involves applying a thin bead of RTV to the intake manifold-to-throttle body joint.
MODELS:
2007
(DR)
Ram Truck (Light Duty)
2007
(HB)
Durango
2007
(KA)
Nitro
2007
(KJ)
Liberty
2007
(ND)
Dakota
2007
(WK)
Grand Cherokee
2007
(XK)
Commander
NOTE:
** This bulletin applies to vehicles equipped with a 3.7L engine (sales code EKG) built on or before March 12, 2007 (MDH 0312XX). **
SYMPTOM CONDITION:
The customer may experience a slight ** high frequency (pitch) ** whistle-like sound while driving. This sound is not loud and may not be noticed by
most drivers. The sound can occur at any ambient or engine operating temperature. The whistle-like sound is most noticeable under load, with a light
throttle, and between 1,200 and 2,000 engine RPM's.
NOTE:
** Very few vehicles will exhibit this condition. **
DIAGNOSIS:
If the customer experiences the above condition perform the Repair Procedure.
PARTS REQUIRED:
REPAIR PROCEDURE:
1.
Disconnect and isolate the negative battery cable from the battery.
2.
Remove the Electronic Throttle Control (ETC) throttle body from the intake manifold. For detailed service information refer to TechCONNECT,
select the Service Info tab > 14 - Fuel System > Fuel Injection - Gas > Throttle Body > Removal or Installation > Throttle Body - 3.7L.
