Radio noise suppression components

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO GROUP 8M - PASSIVE RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

REMOVAL

ENGINE-TO-BODY GROUND STRAPS

(1) Remove the nut and washer that secures the left engine-to-body ground strap eyelet terminal to the weld stud on the left side of the lower plenum panel (Fig. 16).

(2) Remove the nut and washer that secures the right engine-to-body ground strap eyelet terminal to the inboard weld stud on the right side of the lower plenum panel (Fig. 16).

(3) Remove the screw that secures the left engineto- body ground strap eyelet terminal to the rear of the left cylinder head (Fig. 17) or (Fig. 18).

(4) Remove the screw that secures the right engine-to-body ground strap eyelet terminal to the rear of the right cylinder head (Fig. 17) or (Fig. 18).

Fig. 16 Engine-To-Body Ground Strap Remove/ Install - Typical

1 - WELD STUDS

2 - LEFT GROUND STRAP

3 - NUT AND WASHER (2)

4 - RIGHT GROUND STRAP

Fig. 17 Engine-To-Body Ground Strap Remove/ Install - 4.7L Engine Only

1 - TO RIGHT COWL STUD

2 - RIGHT GROUND STRAP

3 - TO RIGHT FENDER STUD

4 - SCREW

5 - TO TRANSMISSION

6 - TO LEFT COWL STUD

7 - SCREW

8 - LEFT GROUND STRAP

9 - LEFT CYLINDER HEAD

Fig. 18 Engine-To-Body Ground Strap Remove/ Install - 5.2L & 5.9L Engine Only

1 - LEFT CYLINDER HEAD

2 - STUD

3 - NUT

4 - RIGHT GROUND STRAP

5 - RIGHT CYLINDER HEAD

6 - SCREW (2)

7 - LEFT GROUND STRAP

(5) On 4.7L engines only, remove the nut and washer that secures the right engine-to-body ground strap eyelet terminal and the wire harness grounds to the weld stud on the right front fender wheelhouse inner panel (Fig. 19).

(6) On 4.7L engines only, remove the screw and washer that secures the right engine-to-body ground strap eyelet terminal to the transmission at the right rear corner of the engine block (Fig. 20).

(7) On 5.2L and 5.9L engines only, remove the nut and washer that secures the right engine-to-body ground strap eyelet terminal to the inboard rear valve cover stud of the right cylinder head (Fig. 18).

(8) Remove the engine-to-body ground strap(s) from the engine compartment.

EXHAUST SYSTEM-TO-BODY GROUND STRAP - 4.7L ENGINE ONLY

1) Raise and support the vehicle.

(2) Remove the nut and washer that secures the exhaust system-to-body ground strap eyelet terminal to the exhaust pipe clamp (Fig. 21).

(3) Remove the screw that secures the exhaust system-to-body ground strap eyelet terminal to the right body sill panel.

Fig. 19 Engine-To-Body Ground Strap Remove/ Install - 4.7L Engine Only

1 - RIGHT FRONT FENDER

2 - TO RIGHT CYLINDER HEAD

3 - TO TRANSMISSION

4 - RIGHT GROUND STRAP

5 - WIRE HARNESS GROUNDS

6 - WELD STUD

7 - NUT AND WASHER

Fig. 20 Engine-To-Body Ground Strap Remove/ Install - 4.7L Engine Only

1 - TO RIGHT FENDER STUD

2 - SCREW AND WASHER

3 - RIGHT GROUND STRAP

4 - TRANSMISSION

5 - ENGINE BLOCK

(4) Remove the exhaust system-to-body ground strap from over the top of the right frame rail.

Fig. 21 Exhaust System-To-Body Ground Strap Remove/Install

1 - SCREW

2 - RIGHT BODY SILL PANEL

3 - RIGHT FRAME RAIL

4 - EXHAUST PIPE

5 - CLAMP

6 - NUT AND WASHER

7 - EXHAUST SYSTEM-TO-BODY GROUND STRAP

INSTALLATION

ENGINE-TO-BODY GROUND STRAPS

(1) Position the engine-to-body ground strap(s) in the engine compartment.

(2) On 5.2L and 5.9L engines only, position the right engine-to-body ground strap eyelet terminal over the inboard rear valve cover stud of the right cylinder head.

(3) On 5.2L and 5.9L engines only, install and tighten the nut and washer that secures the right engine-to-body ground strap eyelet terminal to the inboard rear valve cover stud of the right cylinder head. Tighten the nut to 2.8 N*m (25 in. lbs.).

(4) On 4.7L engines only, install and tighten the screw and washer that secures the right engine-tobody ground strap eyelet terminal to the transmission at the right rear corner of the engine block.

Tighten the screw to 67.8 N*m (50 ft. lbs.).

(5) On 4.7L engines only, position the right engineto- body ground strap eyelet terminal and the wire harness grounds over the weld stud on the right front fender wheelhouse inner panel.

(6) On 4.7L engines only, install and tighten the nut and washer that secures the right engine-to-body ground strap eyelet terminal and the wire harness grounds to the weld stud on the right front fender wheelhouse inner panel. Tighten the nut to 11.8 N*m (105 in. lbs.).

(7) Install and tighten the screw that secures the right engine-to-body ground strap eyelet terminal to the rear of the right cylinder head. On 5.2L and 5.9L engines, tighten the screw to 10.2 N*m (90 in. lbs.).

On 4.7L engines, tighten the screw to 10.7 N*m (95 in. lbs.).

(8) Install and tighten the screw that secures the left engine-to-body ground strap eyelet terminal to the rear of the left cylinder head. On 5.2L and 5.9L engines, tighten the screw to 10.2 N*m (90 in. lbs.).

On 4.7L engines, tighten the screw to 10.7 N*m (95 in. lbs.).

(9) Position the right engine-to-body ground strap eyelet over the inboard weld stud on the right side of the lower plenum panel.

(10) Install and tighten the nut and washer that secures the right engine-to-body ground strap eyelet to the inboard weld stud on the right side of the lower plenum panel. Tighten the nut to 9 N*m (80 in.

lbs.).

(11) Install and tighten the nut and washer that secures the left engine-to-body ground strap eyelet to the weld stud on the left side of the lower plenum panel. Tighten the nut to 9 N*m (80 in. lbs.).

EXHAUST SYSTEM-TO-BODY GROUND STRAP - 4.7L ENGINE ONLY

(1) Position the exhaust system-to-body ground strap over the top of the right frame rail.

(2) Install and tighten the screw that secures the exhaust system-to-body ground strap eyelet terminal to the right body sill panel. Tighten the screw to 5.0 N*m (45 in. lbs.).

(3) Position the exhaust system-to-body ground strap eyelet terminal over the exhaust pipe clamp U-bolt.

(4) Install and tighten the nut and washer that secures the exhaust system-to-body ground strap eyelet terminal to the exhaust pipe clamp. Tighten the nut to 27.1 N*m (20 ft. lbs.).

(5) Lower the vehicle.

Special tools

Audio systems

Antenna Nut Wrench C-4816