Engine - Rubbing/Scraping Noise at Front

91chrysler01

SUBJECT: Camshaft Timing Belt Noise 1990-91 2.2L/2.5L Engines Without A/C


NO.: 09-03-91


GROUP: ENGINE


DATE: March 25, 1991


MODELS:

1990 - 1991 (AA) ACCLAIM/SPIRIT
(AC) DYNASTY
(AG) DAYTONA
(AJ) LeBARON COUPE/LEBARON CONVERTIBLE
(AN) DAKOTA
(AP) SHADOW/SUNDANCE
(AS) CARAVAN/GRAND CARAVAN/CARAVAN C/V
VOYAGER/GRAND VOYAGER

SYMPTOM/CONDITION:


Some 1990 - 1991 non A/C equipped vehicles with 2.2L and 2.5L engines may exhibit a rubbing or scraping noise at the front of the engine. This noise is most noticeable in the area of the camshaft timing belt cover.


The noise condition may be caused by the lower timing belt cover contacting the intermediate shaft sprocket.

Figure 1:

DIAGNOSIS:


With the engine turned off, check the engine serial number. If the serial number is between XXXXXX0429XX and XXXXXX0838XX press on the lower timing belt cover in the area shown in Figure 1. If the cover does not flex or feels solid, perform the repair procedure.

NOTE: THE SERIAL NUMBER IS LOCATED ON THE REAR FACE OF THE ENGINE BLOCK DIRECTLY BELOW THE CYLINDER HEAD.

If the lower cover flexes, or the engine serial is before or after the above numbers, continue your inspection and repair as required.


REPAIR PROCEDURE:


This repair involves removing and modifying the lower timing belt cover.


1. Remove the upper and lower camshaft timing belt covers.

Figure 2:

2. Trim the lower cover as shown in Figure 2.


NOTE: DO NOT TRIM MORE THAN SHOWN IN FIGURE 2. REMOVAL OF AN EXCESSIVE AMOUNT OF MATERIAL WILL RESULT IN AN UNWANTED EXPOSURE OF THE TIMING BELT.


3. Install the lower and upper camshaft timing belt covers.


4. Tighten the cover screws and nuts to 40 in.lbs. (4 N-m) torque.


POLICY: Reimbursable within the provisions of the warranty.


TIME ALLOWANCE

Labor Operation No. 09-10-10-92 . . . . . . . . 0.6 Hrs.

FAILURE CODE: 68 - Noisy