Exhaust System - Noise Heard In The Interior

91ford26

Article No. 91-21-6
10/16/91


^ EXHAUST SYSTEM - "ENGINE EXHAUST" NOISE BEING TRANSMITTED THROUGH THE STEERING COLUMN BOOT BEARING - VEHICLES BUILT TO JUNE 1, 1991

^ NOISE - "ENGINE EXHAUST" SOUNDS BEING TRANSMITTED THROUGH THE STEERING COLUMN BOOT BEARING - VEHICLES BUILT TO JUNE 1, 1991


LINCOLN-MERCURY: 1990-91 MARK VII


ISSUE: Engine exhaust noise may be transmitted through the steering column boot bearing. This is caused by marginal sealing between the boot bearing and steering column insulator collar.

ACTION: Apply butyl tape around the boot bearing. Refer to the following procedure for service details.

Figure 1:

1. Remove the two (2) nuts securing the boot to the insulator collar, Figure 1.

Figure 2:

2. Slide the boot up the extension shaft away from the collar, Figure 2.

Figure 3:

3. Cut a 6 5/8" (168.3 mm) long piece of 1/4" (6.35 mm) diameter butyl tape (D9AZ-19562-A). Wrap it around the boot bearing to create a butt joint with both ends, Figure 3.

4. Slide the boot into position in the collar. Tighten to 4.5-6.4 N-m.

CAUTION: OVERTIGHTENING WILL RESULT IN DAMAGE TO THE STEERING COLUMN COLLAR.

PART NUMBER PART NAME CLASS

D9AZ-19562-A Butyl Tape V

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under 1991 Bumper To Bumper Warranty Coverage, Basic Warranty Coverage
OPERATION DESCRIPTION TIME
912106A Wrap Butyl Around Boot 0.6 Hrs.
Bearing
DEALER CODING
BASIC PART NO. CONDITION CODE
3C611 56
OASIS CODES: 497000, 702000, 702300