Mazda 2: Cylinder Head Gasket
CYLINDER HEAD GASKET REPLACEMENT
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 Procedure". (See
BEFORE SERVICE PRECAUTION).
1. Remove the timing chain. (See TIMING CHAIN REMOVAL/INSTALLATION).
2. Set the exhaust manifold out of the way. (See EXHAUST SYSTEM
REMOVAL/INSTALLATION).
3. Remove the intake manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION).
4. Disconnect the heater hose and radiator hose.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
7. Inspect the compression. (See COMPRESSION INSPECTION).
- Camshaft cap
- Camshaft
- Cylinder head
- Cylinder head gasket
Camshaft Cap Removal Note
1. Loosen the camshaft cap installation bolts in two or three steps in the
order shown in the figure, and
remove them.
Cylinder Head Removal Note
1. Loosen the cylinder head installation bolts in two or three
steps in the order shown in the figure, and
remove them.
Cylinder Head Installation Note
1. Measure the length of each cylinder head installation bolt.
- If it exceeds the maximum specification, replace the cylinder head
installation bolt.
Cylinder head bolt length
- Standard: 128.9-129.5 mm {5.075-5.098 in}
- Maximum: 130.2 mm {5.125 in}
2. Tighten the cylinder head installation bolts in three steps in the order
shown in the figure.
- Tightening torque: 18-22 N*m {1.8-2.2 kgf*m, 13-16 ft*lbf}
- Tightening angle: 85
READ NEXT:
FRONT OIL SEAL REPLACEMENT
1. Disconnect the negative battery cable.
2. Remove the drive belt. (See DRIVE BELT REMOVAL/INSTALLATION).
3. Remove in the order indicated in the table.
4. Install in th
REAR OIL SEAL REPLACEMENT
1. Remove the transaxle. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION
[FN4A-EL]
(ATX) ). (See MANUAL TRANSAXLE REMOVAL/INSTALLATION [F35M-R] (MTX) ).
2. Remove the drive p
ENGINE REMOVAL/INSTALLATION
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 lea
SEE MORE:
System Malfunction Location
Detection Condition
WARNING:
Detection conditions are for understanding the DTC outline before
performing an
inspection. Performing an inspection according to only the detection
conditions may
cause injury due to an operating error, or damage the system. When
p
NOTE
The explanation of functions described in this manual may differ from the
actual
operation, and the shapes of screens and buttons and the letters and characters
displayed may also differ from the actual appearance.
Additionally, depending on future software updates, the content may succ
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