Exhaust Flex Joint - Squeaking
90chrysler14SUBJECT: Exhaust Flex Joint Squeak - Vehicles With 2.2 Turbo, 2.5 Turbo, 3.0L EFI & 3.3L EFI
NO.: 11-01-90 Rev. A
GROUP: EXHAUST
DATE: Dec. 21, 1990
MODELS:
1989-90 (AA) Acclaim/Spirit/LeBaron Sedan
(AC) Dynasty/New Yorker Salon
(AG) Daytona
(AJ) LeBaron Coupe/Convertible
(AP) Sundance/Shadow
(AS) Caravan/Grand Caravan/ Caravan C/V
Voyager/Grand Voyager/Town & Country
(AY) Imperial/New Yorker Fifth Avenue
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 11-01-90, WHICH SHOULD BE REMOVED FROM YOUR FILES. REVISIONS ARE HIGHLIGHTED WITH >> ARROWS <<. "S" VEHICLE LINE (CARAVAN/VOYAGER) HAS BEEN ADDED TO THE LABOR OPERATION PAGES.
SYMPTOM/CONDITION
Vehicle exhibits a squeaking noise, coming from the exhaust-manifold-to-exhaust pipe coupling.
Figure 1:
DIAGNOSIS
This noise is most noticeable when shifting from PARK/NEUTRAL to DRIVE or REVERSE.
>> Before performing the repair procedure on Caravan/Voyager vehicles, verify that the washers for the muffler crossmember to frarne rail bolts (Figure 1) are not contacting the crossmember. If washer-to-crossmember clearance is sufficient, and a squeak is still present, proceed with the following repair. <<
PARTS REQUIRED
1 Exhaust Seal Ring PN 4427699
2 Bolts, Flange to Manifold PN 5217003
2 Nuts, Flange to Manifold PN 4427610
REPAIR PROCEDURE
This procedure involves replacement of the exhaust-manifold-to-exhaust-pipe sealing ring with a revised seal ring.
1. Using Figure 3 on Page 11-2 of the 1990 Front Wheel Drive Car Service Manual (Publication # 81-270-0101) for reference, disconnect the exhaust pipe from the exhaust manifold and remove the exhaust seal ring.
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. Tighten to 28 N-m (250 in.lbs.) torque.
NOTE: THE NEW SEAL RING WILL FIT LOOSELY ON THE PIPE. DO NOT RESIZE THE PIPE TO FIT THE SEAL RING TIGHTLY.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No. 11-20-05-92 . . . . . . . . . . . . . . . . . 0.3 Hrs.
FAILURE CODE: 68 - Noisy