Nissan Altima 2007-2012 Service Manual: Disassembly and assembly
FRONT COIL SPRING AND STRUT
Disassembly and Assembly
DISASSEMBLY
1. Install Tool to strut and secure it in a vise.
Tool number : ST35652000 ( — )
CAUTION: When installing Tool, wrap a shop cloth around strut to protect it from damage. 2. Slightly loosen piston rod lock nut.
WARNING: Do not remove piston rod lock nut completely. If it is removed completely, the coil spring can jump out and may cause serious damage or injury. 3. Compress coil spring using a commercially available spring compressor.
WARNING: Make sure that the pawls of the two spring compressors are firmly hooked on the spring. The spring compressors must be tightened alternately so as not to tilt the spring. 4. Making sure coil spring is free between upper and lower seats, then remove piston rod lock nut.
5. Remove small parts on strut.
• Remove strut spacer, strut mount insulator, strut mounting insulator bracket thrust bearing, spring upper seat, and upper rubber seat. Then remove coil spring.
6. Remove bound bumper from spring upper seat.
7. Gradually release spring compressor (commercial service tool), and remove coil spring.
ASSEMBLY
1. Compress coil spring using a spring compressor (commercial service tool), and install it onto the strut.
CAUTION: Face tube side of coil spring downward. Align lower end to spring seat as shown.
WARNING: Be sure spring compressor is securely attached to coil spring. Compress coil spring. 2. Connect bound bumper to spring upper seat.
CAUTION: • Be sure to install bound bumper to spring upper seat securely.
• When installing bound bumper, use soapy water. Do not use machine oil or other lubricants. 3. Install small parts to the strut.
• Connect upper rubber seat, spring upper seats, thrust bearing, strut mount insulator, and strut spacer.
Temporarily install piston rod lock nut.
CAUTION: Do not reuse piston rod lock nut.
4. Be sure arrows on strut mount insulator and spring upper seat are positioned as shown. Also be sure notch in the strut spacer is positioned as shown.
5. Be sure coil spring is properly set in spring rubber seat. Gradually release spring compressor.
CAUTION: Be sure upper rubber seat is properly aligned to spring upper seat and coil spring. 6. Tighten piston rod lock nut to the specified torque.
7. Remove Tool from strut.
Inspection
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 and rubber parts for wear. Replace them if necessary.
Coil Spring
Check for cracks, wear, and damage, and replace if necessary.
Removal and installation
FRONT SUSPENSION ASSEMBLY
Exploded View
1. Strut tower bar
2. Stabilizer bar
3. Stabilizer clamp
4. Stabilizer bushing
5. Connecting rod
6. VQ35DE front mount bracket
7. VQ35DE rear mount ...
Service data and specifications(SDS)
Wheel Alignment (Unladen*)
Fuel, radiator coolant and engine
oil full. Spare tire, jack, hand tools and mats in designated positions.
Fuel,
radiator coolant and engine oil full. Spare tir ...
Other materials:
AMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the
audio unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
Diagnosis Procedure
1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP)
1. Turn audio system ON.
2. Check voltag ...
B2603 shift position status
Description
BCM confirms the shift position with the following 2 signals.
• CVT selector lever
• P/N position switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis
for DTC U1000. Refer to
SEC-433, "DTC Logic& ...
Pre-inspection for diagnostic
Basic Inspection
The engine start function, door lock function, power distribution system and
NATS-IVIS/NMS in the Intelligent
Key system are closely related to each other regarding control. Narrow down the
functional area in question
by performing basic inspection to identify which function ...