Jeep Grand Cherokee WK. Manual — part 203

ACCESSORY DRIVE

TABLE OF CONTENTS

page

page

TENSIONERS-BELT

REMOVAL

3.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 18

4.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 19

5.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 19

3.0L DIESEL

. . . . . . . . . . . . . . . . . . . . . . . . . 20

INSTALLATION

3.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 21

4.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 21

5.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 22

3.0L DIESEL

. . . . . . . . . . . . . . . . . . . . . . . . . 22

BELTS-DRIVE

DIAGNOSIS AND TESTING

SERPENTINE DRIVE BELT

. . . . . . . . . . . . . . 23

REMOVAL

3.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 25

REMOVAL - 4.7L ENGINE

. . . . . . . . . . . . . . . 26

5.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 26

3.0L DIESEL

. . . . . . . . . . . . . . . . . . . . . . . . . 27

INSTALLATION

3.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 27

INSTALLATION - 4.7L ENGINE

. . . . . . . . . . . . 28

5.7L ENGINE

. . . . . . . . . . . . . . . . . . . . . . . . . 28

3.0L DIESEL

. . . . . . . . . . . . . . . . . . . . . . . . . 29

TENSIONERS-BELT

REMOVAL

3.7L ENGINE

1. Remove accessory drive belt (Refer to 7 - COOL-

ING/ACCESSORY

DRIVE/DRIVE

BELTS

-

REMOVAL).

2. Remove tensioner assembly from engine front

cover.

WARNING: BECAUSE OF HIGH SPRING TENSION,
DO NOT ATTEMPT TO DISASSEMBLE AUTOMATIC
TENSIONER. UNIT IS SERVICED AS AN ASSEM-
BLY (EXCEPT FOR PULLEY ON TENSIONER).

7 - 18

ACCESSORY DRIVE

WK

4.7L ENGINE

1. Remove accessory drive belt (Refer to 7 - COOL-

ING/ACCESSORY

DRIVE/DRIVE

BELTS

-

REMOVAL).

2. Remove tensioner assembly from engine front

cover.

WARNING: BECAUSE OF HIGH SPRING TENSION,
DO NOT ATTEMPT TO DISASSEMBLE AUTOMATIC
TENSIONER. UNIT IS SERVICED AS AN ASSEM-
BLY (EXCEPT FOR PULLEY ON TENSIONER).

5.7L ENGINE

1. Remove accessory drive belt (Refer to 7 - COOL-

ING/ACCESSORY

DRIVE/DRIVE

BELTS

-

REMOVAL).

2. Remove bolt and tensioner assembly.

WK

ACCESSORY DRIVE

7 - 19

3.0L DIESEL

1. Disconnect negative battery cable.

2. Remove accessory drive belt (Refer to 7 - COOL-

ING/ACCESSORY

DRIVE/DRIVE

BELTS

-

REMOVAL).

3. Remove belt tensioner retaining bolt and remove

tensioner from bracket.

7 - 20

ACCESSORY DRIVE

WK

INSTALLATION

3.7L ENGINE

1. An indexing slot is located on back of tensioner.

Align this slot to the head of the bolt on the front
cover. Install the mounting bolt. Tighten bolt to 41
N·m (30 ft. lbs.).

2. Install drive belt (Refer to 7 - COOLING/ACCES-

SORY DRIVE/DRIVE BELTS - INSTALLATION).

3. Check belt indexing marks (Refer to 7 - COOLING/

ACCESSORY

DRIVE/DRIVE

BELTS

-

INSTALLATION).

4.7L ENGINE

1. An indexing slot is located on back of tensioner.

Align this slot to the head of the bolt on the front
cover. Install the mounting bolt. Tighten bolt to 41
N·m (30 ft. lbs.).

2. Install drive belt (Refer to 7 - COOLING/ACCES-

SORY DRIVE/DRIVE BELTS - INSTALLATION).

3. Check belt indexing marks (Refer to 7 - COOLING/

ACCESSORY

DRIVE/DRIVE

BELTS

-

INSTALLATION).

WK

ACCESSORY DRIVE

7 - 21