Mazda Protege 5. Manual - part 126

MECHANICAL [FS]

01–10B–11

01–10B

3. Turn the tensioner clockwise using an Allen 

wrench.

4. Disconnect the tensioner spring from the hook 

pin.

Caution

••••

Forcefully twisting the timing belt turning 
it inside out, or allowing oil or grease on 
it will damage the belt and shorten its life.

Note

•

Mark the timing belt rotation on the belt for 
proper reinstallation.

Tensioner, Tensioner Spring Installation Note

1. Measure the tensioner spring free length.

•

If not within the specification, replace the 
tensioner spring.

Free length

36.6 mm {1.44 in}

2. Install the tensioner.

3. Rotate the tensioner.

•

If tensioner rotates with no resistance or does 
not rotate, replace the tensioner.

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MECHANICAL [FS]

01–10B–12

Timing Belt Installation Note

1. Verify that the timing belt pulley mark and 

camshaft pulley marks are aligned with the timing 
marks as shown.

2. Install the timing belt so that there is no looseness 

at the idler side.

3. Turn the crankshaft clockwise twice, and align the 

timing marks.

4. Verify that all timing marks are correctly aligned.

•

If not aligned, remove the timing belt and 
repeat from Step 1.

Caution

••••

Be sure not to apply tension other than 
that of the tensioner spring.

5. Turn the tensioner clockwise using an Allen 

wrench.

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MECHANICAL [FS]

01–10B–13

01–10B

6. Connect the tensioner to the hook pin.

7. Turn the crankshaft clockwise twice, and verify 

that all timing marks are aligned.

•

If not aligned, repeat from Step 1.

Cylinder Head Cover Installation Note

1. Verify that the grooves on the cylinder head cover are free of oil, water and other foreign material.
2. Install the cylinder head cover gasket into the cylinder head cover.
3. Apply silicone sealant to the cylinder head as 

shown.

4. Tighten the cylinder head cover bolts a few turns 

in the order shown.

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MECHANICAL [FS]

01–10B–14

Crankshaft Pulley Installation Note

1. Install the crankshaft using the SST.

Water Pump Pulley Installation Note

1. Install the water pump pulley by facing the “F” 

marks outward.

End Of Sie

CYLINDER HEAD GASKET REPLACEMENT [FS]

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Warning

••••

Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep 
sparks and flames away from fuel.

••••

Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and 
damage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line 
Safety Procedures”. (See 01–14–4 BEFORE REPAIR PROCEDURE.)

1. Disconnect the negative battery cable.
2. Drain the engine coolant. (See 01–12–2 COOLING SYSTEM SERVICE WARNINGS.) (See 01–12–3 ENGINE 

COOLANT REPLACEMENT.)

3. Remove the timing belt. (See 01–10B–8 TIMING BELT REMOVAL/INSTALLATION [FS].)
4. Remove the front pipe. (See 01–15–1 EXHAUST SYSTEM REMOVAL/INSTALLATION.)
5. Remove the air cleaner.
6. Remove the P/S oil pump and bracket with the oil hose still connected.
7. Remove the accelerator cable. (See 01–13B–17 ACCELERATOR CABLE ADJUSTMENT [FS].)
8. Disconnect the fuel hose. (See 01–14–4 BEFORE REPAIR PROCEDURE.) (See 01–14–4 BEFORE REPAIR 

PROCEDURE.)

9. Remove in the order indicated in table.

10. Install in the reverse order of removal.
11. Inspect the engine oil level. (See 01–11–2 ENGINE OIL INSPECTION.)
12. Inspect for the engine oil, engine coolant, and fuel leakage.
13. Inspect the compression. (See 01–10B–8 COMPRESSION INSPECTION [FS].)
14. Start the engine and:

(1) Inspect the pulleys and the drive belt for runout and contact.
(2) Inspect the ignition timing. (See 01–10B–25 Ignition Timing Inspection.)
(3) Inspect the idle speed. (See 01–10B–26 Idle Speed Adjustment.)

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