NISSAN X-TRAIL 2003 Service Repair Manual

REPAIR FOR COMPONENT PARTS
AT-475
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT

Forward and Overrun ClutchesECS00EC6
COMPONENTS
DISASSEMBLY
1. Check operation of forward clutch and overrun clutch.
a. Install bearing retainer on forward clutch drum.
b. Apply compressed air to oil hole of forward clutch drum.
c. Check to see that retaining plate moves to snap ring.
d. If retaining plate does not contact snap ring:

D-ring might be damaged.

Seal ring might be damaged.

Fluid might be leaking past piston check ball.
1. Driven plate 2. Snap ring 3. Dish plate
4. Driven plate 5. Retaining plate 6. Retaining plate
7. Snap ring 8. Drive plate 9. Forward clutch
10. Retaining plate 11. Drive plate 12. Overrun clutch
13. Dish plate 14. Spring retainer 15. Snap ring
16. Return spring 17. Overrun clutch piston 18. D-ring
19. Seal ring 20. Forward clutch piston 21. D-ring
22. Seal ring 23. Forward clutch drum
SCIA3892E
SAT123F

AT-476
[ALL]
REPAIR FOR COMPONENT PARTS

2. Remove snap ring for forward clutch.
3. Remove drive plates, driven plates, retaining plate and dish
plate for forward clutch.
4. Remove snap ring for overrun clutch with flat-bladed screw-
driver.
5. Remove drive plates, driven plates, retaining plate and dish
plate for overrun clutch.
6. Set Tool on spring retainer and remove snap ring from forward
clutch drum while compressing return springs.
CAUTION:

Set SST directly over return springs.

Do not expand snap ring excessively.
7. Remove spring retainer and return springs.
CAUTION:
Do not remove return springs from spring retainer.
8. Remove forward clutch piston with overrun clutch piston from
forward clutch drum by turning it.
9. Remove overrun clutch piston from forward clutch piston by
turning it.
SCIA4894E
SCIA4895E
SAT124FC
SAT125F
SAT126F

REPAIR FOR COMPONENT PARTS
AT-477
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT

10. Remove D-rings and seal rings from forward clutch piston and
overrun clutch piston.
INSPECTION
Snap Rings, Spring Retainer and Return Springs

Check for deformation, fatigue or damage.

Replace if necessary.

When replacing spring retainer and return springs, replace them as a set.
Forward Clutch and Overrun Clutch Drive Plates

Check facing for burns, cracks or damage.

Measure the thickness of facing.

If not within wear limit, replace.
Forward Clutch and Overrun Clutch Dish Plates

Check for deformation or damage.

Measure the thickness of dish plate.

If deformed or fatigued, replace.
Forward Clutch Drum

Make sure that check balls are not fixed.

Apply compressed air to check ball oil hole from the outside of
forward clutch drum. Make sure air leaks past ball.

Apply compressed air to oil hole from the inside of forward
clutch drum. Make sure there is no air leakage.
SCIA3046E
Thickness of drive plate:
Forward clutch
Standard value: 1.6 mm (0.063 in)
Wear limit: 1.4 mm (0.055 in)
Overrun clutch
Standard value: 1.6 mm (0.063 in)
Wear limit: 1.4 mm (0.055 in)
SAT162D
Thickness of dish plate:
Forward clutch 2.7 mm (0.106 in)
Overrun clutch 2.7 mm (0.106 in)
SAT163D
SAT213D

AT-478
[ALL]
REPAIR FOR COMPONENT PARTS

Overrun Clutch Piston

Make sure that check balls are not fixed.

Apply compressed air to check ball oil hole opposite the return
spring. Make sure there is no air leakage.

Apply compressed air to oil hole on return spring side. Make
sure that air leaks past ball.
ASSEMBLY
1. Install D-rings and Seal rings on forward clutch piston and over-
run clutch piston.
CAUTION:

Do not reuse D-rings and seal rings.

Take care with the direction of seal rings.

Apply ATF to both parts.
2. Install overrun clutch piston on forward clutch piston by turning it
slowly.
CAUTION:
Apply ATF to inner surface of forward clutch piston.
3. Install forward clutch piston assembly on forward clutch drum by
turning it slowly.
CAUTION:
Apply ATF to inner surface of forward clutch drum.
SAT212D
SCIA3046E
SAT126F
SAT125F

REPAIR FOR COMPONENT PARTS
AT-479
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT

4. Install spring retainer and return spring on overrun clutch piston.

Align the mark on spring retainer with check ball in overrun
clutch piston.
5. Set SST on spring retainer and install snap ring while compress-
ing return springs.
CAUTION:

Set SST directly over return springs.

Do not expand snap ring excessively.
CAUTION:
Do not align snap ring gap with spring retainer stopper.
SAT131F
SAT133F
SAT124FC
SAT134F

AT-480
[ALL]
REPAIR FOR COMPONENT PARTS

6. Install drive plates, driven plates, retaining plate and dish plate
for overrun clutch. Refer to AT- 5 3 4 , "
OVERRUN CLUTCH" .
CAUTION:
Take care with the order of plates.
7. Install snap ring for overrun clutch.
8. Measure the clearance between overrun clutch retaining plate
and snap ring.
If not within allowable limit, select proper retaining plate. Refer to
AT- 5 3 4 , "
OVERRUN CLUTCH" .
9. Install drive plates, driven plates, retaining plate and dish plate for forward clutch.
CAUTION:
Take care with the order of plates.
SCIA3036E
SCIA4895E
Specified clearance:
Standard 0.7 - 1.1 mm (0.028 - 0.043 in)
Allowable limit 1.7 mm (0.067 in)
SAT135F

REPAIR FOR COMPONENT PARTS
AT-481
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT


For 85X23 model

For 85X64 model
10. Install snap ring for forward clutch.
SCIA4496E
SCIA4065E
SCIA4894E

AT-482
[ALL]
REPAIR FOR COMPONENT PARTS

11. Measure clearance between forward clutch retaining plate and
snap ring.
If not within allowable limit, select proper retaining plate. Refer to
AT- 5 3 3 , "
FORWARD CLUTCH" .
12. Check operation of forward clutch and overrun clutch. Refer to
AT- 4 7 5 , "
DISASSEMBLY" . Specified clearance:
Standard 0.45 - 0.85 mm (0.0177 - 0.0335 in)
Allowable limit 1.85 mm (0.0728 in)
SAT228D
SAT123F

REPAIR FOR COMPONENT PARTS
AT-483
[ALL]
D
E
F
G
H
I
J
K
L
MA
B
AT

Low & Reverse BrakeECS00EC7
COMPONENTS
DISASSEMBLY
1. Check operation of low & reverse brake.
a. Apply compressed air to oil hole of transaxle case.
b. Check to see that retaining plate moves to snap ring.
c. If retaining plate does not contact snap ring:

D-ring might be damaged.

Fluid might be leaking past piston check ball.
2. Remove snap ring with flat-bladed screwdriver.
3. Remove retainer, low & reverse brake piston and spring retainer
from transaxle case.
4. Remove snap ring with flat-bladed screwdriver.
5. Remove driven plates, drive plate, retaining plate and dish
plates on transaxle case.
1. Driven plate 2. Dish plate 3. Snap ring
4. Spring retainer 5. D-ring 6. D-ring
7. Low & reverse brake piston 8. Retainer 9. Snap ring
10. Retaining plate 11. Drive plate 12. Retaining plate
SCIA3893E
SCIA4903E
SCIA4904E

AT-484
[ALL]
REPAIR FOR COMPONENT PARTS

6. In order to remove low & reverse brake piston, apply com-
pressed air to oil hole of retainer while holding low & reverse
brake piston.
CAUTION:
Apply air gradually and allow low & reverse brake piston to
come out evenly.
7. Remove D-rings from low & reverse brake piston.
INSPECTION
Low and Reverse Brake Snap Ring, Spring Retainer and Return Springs

Check for deformation, fatigue or damage.
If necessary, replace.

When replacing spring retainer and return springs, replace them as a set.
Low and Reverse Brake Drive Plate

Check the facing for burns, cracks or damage.

Measure the thickness of facing.

If not within wear limit, replace.
ASSEMBLY
1. Install D-rings on piston.
CAUTION:

Apply ATF to both parts.

Do not reuse D-ring.
SCIA3651E
SCIA4381E
Thickness of drive plate:
Standard value 1.8 mm (0.071 in)
Wear limit 1.6 mm (0.063 in)
SAT162D
SCIA2998E