Engine - Rattling Noise/Vibration

88ford04
^ CRANKSHAFT PULLEY - 3.0L - LOOSE RETAINING BOLTS

^ NOISE/VIBRATION - 3.0L - LOOSE CRANKSHAFT PULLEY RETAINING BOLTS

Article No. 88-5-9

FORD: 1986-87 TAURUS

LINCOLN-MERCURY: 1986-87 SABLE

ISSUE: An unusual "rattling" noise or vibration in the engine compartment may be caused by inadequate torque on the crankshaft pulley retaining bolts.

ACTION: To correct this, install four (4) new design crankshaft pulley retaining bolts that have a washer type head for better torque retention. Refer to the following service procedure for removal and installation instructions.

FIGURE 3:

1. Loosen the accessory drive belts.

2. Raise vehicle on hoist.

3. Remove the right front tire and wheel assembly.

4. Remove the existing four (4) pulley-to-damper attaching bolts, Figure 3.

NOTE: If the crankshaft pulley, damper, or accessory drive belts are damaged, replace as required.

5. Install four (4) new pulley-to-damper attaching bolts (N804743-S8). Torque the bolts to 22-31 ft.lbs. (29-41 N-m).

6. Install the right front tire and wheel assembly.

7. Lower vehicle.

8. Tighten the accessory drive belts.

PART NUMBER PART NAME CLASS

N804743-S8 Crankshaft Pulley Bolt - S
Package of 4

OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty Coverage
OPERATION: 880509A
TIME: 0.5 Hr. DLR. CODING: Basic Part No. 6318 - Code: 57