Exhaust Flex Joint - Squeaking Noise
NO.: 11-01-93GROUP: Exhaust
DATE: Feb. 8, 1993
SUBJECT:
Exhaust Flex Joint Squeak
MODELS:
1990 - 1993 (AA) Spirit/Acclaim/LeBaron Sedan
1990 - 1993 (AC) Dynasty/New Yorker/New Yorker Salon
1990 - 1993 (AG) Daytona
1990 - 1993 (AJ) LeBaron Coupe/LeBaron Convertible
1990 - 1993 (AP) Shadow/Shadow Convertible/Sundance
1990 - 1993 (AS) Caravan/Grand Caravan/Caravan CV
Voyager/Grand Voyager/Town & Country
1991 - 1993 (AY) Imperial/New Yorker Fifth Avenue
SYMPTOM/CONDITION:
Vehicle exhibits a squeaking noise, coming from the exhaust manifold to exhaust pipe coupling.
DIAGNOSIS:
With the parking and service brakes applied, shift the transmission from park or neutral to drive or reverse.
PARTS REQUIRED:
REPAIR PROCEDURE:
This bulletin involves replacement of the exhaust manifold to exhaust pipe sealing ring with a revised sealing ring.
NOTE:
BEFORE PERFORMING THE REPAIR PROCEDURE ON 1990 AS-BODY VEHICLES, VERIFY THE WASHERS FOR THE MUFFLER CROSSMEMBER TO FRAME RAIL BOLTS ARE NOT CONTACTING THE CROSSMEMBER. REFER TO ILLUSTRATION. IF WASHER TO CROSSMEMBER CLEARANCE IS ADEQUATE AND A SQUEAK IS STILL PRESENT, PERFORM THE REPAIR. (see illustration)
1. Disconnect the exhaust pipe from the exhaust manifold and discard the sealing ring, nuts and bolts.
NOTE:
IF THE FLANGE SPRINGS ARE COLLAPSED, REPLACE THEM WITH THE APPROPRIATE SPRINGS CALLED OUT IN PARTS REQUIRED.
2. Install the revised seal ring and connect the exhaust pipe to the exhaust manifold using new bolts and nuts as called out in PARTS REQUIRED. Torque the fasteners to 28 N-m (250 in.lbs.).
NOTE:
DO NOT RE-SIZE THE PIPE TO FIT THE SEAL RING.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No. 11-20-05-92 0.3 Hrs.
FAILURE CODE:
68 - Noisy