Nissan Pathfinder. Manual - part 646

FRONT SUSPENSION MEMBER

FSU-15

< UNIT REMOVAL AND INSTALLATION >

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UNIT REMOVAL AND INSTALLATION

FRONT SUSPENSION MEMBER

Exploded View

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Removal and Installation

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REMOVAL

1. Remove both front wheels and tires using power tool. Refer to 

WT-58, "Adjustment"

.

2. Remove the engine and transmission with the front suspension member. Refer to 

EM-102, "2WD :

Removal and Installation"

 (2WD) or 

EM-107, "4WD : Removal and Installation"

 (4WD).

• The engine, transmission, and front suspension member must be removed as an assembly.

3. Lift the engine and transmission off of the front suspension member.
4. Remove both steering knuckle. Refer to 

FSU-14, "Removal and Installation"

.

5. Remove both transverse links and the stabilizer bar. Refer to 

FSU-10, "Removal and Installation"

 and

FSU-12, "Removal and Installation"

.

6. Remove the steering gear assembly and hydraulic lines. Refer to 

ST-48, "Exploded View"

.

INSTALLATION

Installation is in the reverse order of removal.

• Refer to 

FSU-15, "Exploded View"

 for tightening torque.

• After installation, perform the final tightening of each part under unladen conditions with tires on the ground.

Inspection

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INSPECTION AFTER REMOVAL

Check the front suspension member for significant deformation, cracks, or damages. Replace it if necessary.

INSPECTION AFTER INSTALLATION

1. Check wheel sensor harness for proper connection. Refer to 

BRC-118, "Exploded View - Front Wheel

Sensor"

.

2. Check wheel alignment. Refer to 

FSU-5, "Inspection and Adjustment"

.

3. Adjust the neutral position of the steering angle sensor. Refer to 

BRC-55, "Work Procedure"

.

1.

Front suspension member

2.

Rebound stopper

3.

Front suspension member stay

Front

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FSU-16

< UNIT DISASSEMBLY AND ASSEMBLY >

FRONT COIL SPRING AND STRUT

UNIT DISASSEMBLY AND ASSEMBLY

FRONT COIL SPRING AND STRUT

Disassembly and Assembly

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DISASSEMBLY

CAUTION:

Do not damage the piston rod when removing components from the front coil spring and strut.
1. Install Tool (A) to the front coil spring and strut.

CAUTION:

When installing Tool (A), wrap a shop cloth around the front

coil spring and strut to protect the parts from damage.

2. Secure Tool (A) in a vise.

3. Install a suitable tool to strut rod.
4. Slightly loosen the piston rod lock nut.

WARNING:

Do not remove the piston rod lock nut completely. If it is removed completely, the coil spring can

jump out and may cause serious damage or injury.

5. Compress the coil spring using a suitable tool (A).

WARNING:

Make sure that the pawls of the suitable tool are firmly

hooked on the coil spring. The suitable tool must be tight-

ened alternately so as to not tilt the coil spring.

6. Make sure the coil spring is free between the strut mount insulator and the lower rubber seat.
7. Hold the piston rod and remove the piston rod lock nut.
8. Remove the strut mount insulator, the strut mount bearing, and the bound bumper from the strut.
9. Gradually release the suitable tool and remove the coil spring.

CAUTION:

Release the suitable tool while making sure the position of the suitable tool on the coil spring

does not move.

10. Remove the lower rubber seat.
11. Inspect the components. Refer to 

FSU-18, "Inspection"

.

ASSEMBLY

CAUTION:

Do not damage the piston rod when installing components to the front coil spring and strut.

Tool number

: ST35652000 ( – )

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FRONT COIL SPRING AND STRUT

FSU-17

< UNIT DISASSEMBLY AND ASSEMBLY >

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1. Install the lower rubber seat to the strut. Make sure that the pin

(A) on the lower rubber seat is positioned into the hole (B) on the

strut.

2. Compress the coil spring using a suitable tool.

WARNING:

Make sure that the pawls of the suitable tool are firmly hooked on the coil spring. The suitable tool

must be tightened alternately so as to not tilt the coil spring.

3. Align the lower end of the coil spring (1) with the lower rubber

seat (2) as shown.

4. Connect the bound bumper to the strut mount bearing.

CAUTION:

• Be sure to install the bound bumper to the strut mount bearing securely.

• When installing the bound bumper, use soapy water. Do not use machine oil or other lubricants.

5. Install the strut mount bearing and the strut mount insulator.
6. Temporarily install the piston rod lock nut.

CAUTION:

Do not reuse the piston rod lock nut.

7. Be sure that the tab (A) on the strut mount insulator is positioned

on the outboard side of the vehicle.

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Maximum Gap (A) : 5 mm (0.2 in)

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FSU-18

< UNIT DISASSEMBLY AND ASSEMBLY >

FRONT COIL SPRING AND STRUT

8. Gradually release the suitable tool (A) and remove the suitable

tool from the coil spring.

CAUTION:

Release the suitable tool while making sure the position of

the suitable tool on the coil spring does not move.

9. Tighten the piston rod lock nut to the specified torque. Refer to 

FSU-7, "Exploded View"

.

10. Remove Tool (A) from the vise.
11. Remove Tool (A) from the front coil spring and strut.

12. After replacing the strut, always follow the disposal procedure to discard the old strut. Refer to 

FSU-8,

"Disposal"

.

Inspection

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INSPECTION AFTER DISASSEMBLY

Strut

• Check strut for deformation, cracks, and damage, and replace if necessary.

• Check piston rod for damage, uneven wear, and distortion, and replace if necessary.

• Check welded and sealed areas for oil leakage, and replace if necessary.

Insulator and Rubber Parts

Check strut mount insulator for cracks, rubber parts for wear and replace if necessary.

Coil Spring

Check for cracks, wear, and damage and replace if necessary.

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