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Prowler V6-3.5L VIN G (1999)

Powertrain Management > Fuel Delivery and Air Induction > Throttle Body > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Throttle Body: > 14-02-99 > Jun > 99 > Engine - Hissing Noise When Idling

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Technical Service Bulletin # 14-02-99

Date: 990618

Engine - Hissing Noise When Idling

NUMBER: 14-02-99

GROUP: Fuel

DATE: June 18, 1999

SUBJECT:
"Hiss" Noise From Engine When Idling

OVERVIEW:
This bulletin involves replacing the throttle body assembly.

MODELS:
1998 - 1999

(LH)

Concorde/Intrepid/LHS/300M

1999

(PR)

Prowler

NOTE:

THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 3.2L OR 3.5L ENGINE.

SYMPTOM/CONDITION:

"Hiss" noise similar to a vacuum leak during engine idle and/or low RPM driving conditions. The noise is most noticeable during cold engine operation
from outside the vehicle, but may also be heard at normal operating temperatures and/or from inside the vehicle.

DIAGNOSIS:

Using the Mopar Diagnostic System (MDS/MDS2) and or the Diagnostic Scan Tool (DRB III(R)) with the appropriate Diagnostic Procedures Manual,
verify all engine/transmission systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and
repair as necessary before proceeding further with this bulletin. If no DTC's are present, check all engine vacuum lines, connections, and air induction
tubes including the air cleaner and air cleaner filter box to assure that no restrictions, vacuum or air leaks exist. Verify that the EGR tube and seals are
properly seated. Check throttle body gasket seating and for cracks/splits or missing material. If no problems are found and the noise is still present,
perform the Repair Procedure.

PARTS REQUIRED:

1

04591168AC

Throttle Body, LH Vehicles

1

04865278AB

Throttle Body, PR Vehicles

POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No:

14-30-01-90

LH/LHS/300M

0.8 Hrs.

14-30-01-90

PR

0.4 Hrs.

FAILURE CODE: P8 - New Part

Repair Procedure

THIS REPAIR IS COMPATIBLE WITH DAIMLERCHRYSLER'S MOBILE SERVICE PROGRAM AND DOES NOT REQUIRE HOISTS OR
OTHER FULL SERVICE FACILITY SPECIAL EQUIPMENT.

1.

Disconnect and isolate the negative battery cable remote terminal.

2.

Remove wiper arms (LH only).

3.

Remove cowl screen (LH only).

4.

Remove cowl plenum (LH only).

5.

Disconnect air plenum from throttle body.

6.

Remove throttle cable bracket.

Powertrain Management > Fuel Delivery and Air Induction > Throttle Body > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Throttle Body: > 14-02-99 > Jun > 99 > Engine - Hissing Noise When Idling

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