Mazda 323 1988 Workshop Manual page 23

IA
TROUBLESHOOTING GUIDE
Problem
Possible Cause Remedy
Page
nsufficient power lnsutticlent compression
Malfunction of HLA
ReplaCe
iA-
Compression leakage from valve seat Repair
lA-41
Seized valve stem
Weak or broken valve spring
ReplaCe
lA-3E
R+Xe
lA-41
Failed cylinder head gasket
Rt?pkCe
IA-15
Cracked or distorted cylinder head
lA-37
Sticking, damaged or worn piston ring
ReplW
ReplaCe
lA-46
Cracked or worn piston
ReplaCe
IA-46
Malfunction Of fuel system
Refer to Section 4A
Others
Slipping clutch Refer to Section 6
Dragging brakes Refer to Section 11
Wrong size tires
Refer to Section 12
Abnormal
Malfunctlon of engine-related components
nmbustion
Malfunction of HLA Replace
lA-61
Sticking or burned valve Replace lA-38
Weak or broken valve spring ReplW.? lA-41
Carbon accumulation in combustion chamber Eliminate carbon
-
Malfunction of fuel system Refer to Section 4A
ingine no&e
Crankshaft or bearing related parts
Excessive main bearing oil clearance Replace or repair
1 A-53
Main bearing seized or heat-damaged
Replace lA-53
Excessive crankshaft end play Replace or repair 1 A-54
Excessive connecting rod bearing oil clearance
1 A-55
Connecting rod bearing seized or heat-damaged
Replace or repair
ReplaCe
1 A-55
Piston related parts
Worn cylinder Replace or repair lA-45
Worn piston or piston pin R&ECe 1 h-41
Seized piston Replace 1 A-46
Damaged piston ring
RepkCe
1 A-46
Bent connecting rod
R@Xe
lA-48
Valves or timing related parts
Malfunction of HLA+ Replace lA-61
Broken valve spring Replace lA-41
Excessive valve guide clearance
Malfunction of timing belt tensioner
Replace lA-38
ReplaCe
IA-50
Insufficient lubrication of rocker arm Replace IA-43
Malfunction of cooling system Refer to Section 3A
Malfunction of fuel system Refer to Section 4A
Others
Malfunction of water pump bearing Replace
Improper drive-belt tension Adjust IA-6
Malfunction of alternator bearing Replace
-
Exhaust gas leakage Repair lA-37
* Tapet noise may occur if the engine is not operated for an extended period of time. The noise should disappear after
the engine has reached normal operating temperature.
83"01A-004
i
-1
lA-4