Nissan Frontier D22. Manual - part 166

REAR DRUM BRAKE

BR-31

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Inspection

EFS003G0

WHEEL CYLINDER

●

Check wheel cylinder for leakage.

●

Check for wear, damage and loose conditions.
Replace if any such condition exists.

Removal and Installation

EFS003G1

REMOVAL

WARNING:

Clean brake lining with a vacuum dust collector to minimize the hazard of airborne asbestos or other
materials.

CAUTION:

Make sure parking brake lever is released completely.

1.

Shoe hold pin

2.

Plug

3.

Back plate

4.

Shoe (leading side)

5.

Air bleeder

6.

Spring

7.

Piston cup

8.

Piston

9.

Boot

10. Retainer ring

11.

Toggle lever

12. Wave washer

13. Shoe (trailing side)

14. Adjuster

15. Boot

16. Piston

17. Piston cup

18. Wheel cylinder

19. Adjuster lever

20. Spring seat

21. Shoe hold spring

22. Retainer

23. Adjuster spring

24. Return spring (upper)

25. Return spring (lower)

WFIA0134E

ABR370

BR-32

REAR DRUM BRAKE

1.

Release parking brake lever fully, then remove drum.
If drum is hard to remove, the following procedures should be
carried out.

a.

Remove plug. Then shorten adjuster to make clearance
between brake shoe and drum.

b.

Install two bolts as shown. Tighten the two bolts gradually.

2.

After removing shoe hold pin by rotating retainer, remove lead-
ing shoe then remove trailing shoe. Remove spring by rotating
shoes in direction arrow.

CAUTION:

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Be careful not to damage wheel cylinder piston boots.

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Be careful not to damage parking brake cable when sepa-
rating it.

3.

Remove adjuster.

4.

Disconnect parking brake cable from toggle lever.

CAUTION:

Be careful not to damage parking brake cable when sepa-
rating it.

5.

Remove retainer clip with a suitable tool. Then separate toggle
lever and brake shoe (trailing side).

SBR280B

SBR093A

ABR369

ABR408

REAR DRUM BRAKE

BR-33

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INSPECTION AFTER REMOVAL
Drum

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Contact surface should be fine finished with No. 120 to 150
emery paper.

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Using a drum lathe, lathe brake drum if it shows scoring, partial
wear or stepped wear.

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After brake drum has been completely reconditioned or
replaced, check drum and shoes for proper contact pattern.

Lining

Check lining thickness.

INSTALLATION

NOTE:

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Always perform shoe clearance adjustment.

●

Burnish the brake contact surfaces after refinishing or replacing drums or rotors, after replacing pads or
linings, or if a soft pedal occurs at very low mileage. Refer to 

BR-29, "Brake Burnishing Procedure"

 .

1.

Fit toggle lever to brake shoe (trailing side) with retainer clip.

2.

Shorten adjuster by rotating it.

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Pay attention to direction of adjuster.

3.

Connect parking brake cable to toggle lever.

4.

Installation is in the reverse order of removal.

Maximum inner diameter (Repair limit)

LT26

: 261.5 mm (10.30 in)

LT30

: 296.5 mm (11.67 in)

SBR095A

Standard lining thickness

LT26

: 5.5 mm (0.217)

LT30

: 5.8 mm (0.228 in)

Lining wear limit (A)

LT26

: 1.5 mm (0.059 in)

LT30

: 1.5 mm (0.059 in)

SBR021A

SBR092B

Wheel

Screw

Depression

Left

Left-hand thread

Yes

Right

Right-hand thread

No

SBR217B

BR-34

REAR DRUM BRAKE

CAUTION:

Be careful not to damage wheel cylinder piston boots.

5.

Adjust shoe-to-drum clearance.

6.

Install brake drum.

7.

When installing new wheel cylinder or overhauling wheel cylin-
der, bleed air. Refer to 

BR-10, "Bleeding Brake System"

 .

8.

Adjust parking brake. Refer to 

PB-3, "Adjustment"

 .

Wheel Cylinder Disassembly an Assembly

EFS003G2

●

Check all internal parts for wear, rust and damage. Replace if
necessary.

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Pay attention not to scratch cylinder when installing pistons.

WFIA0085E

ABR917

WFIA0084E