COOLING(H4DO) > Engine Cooling System Trouble in General
INSPECTION
Trouble | Possible cause | Corrective action |
Over-heating | a. Insufficient engine coolant | Replenish engine coolant, inspect for leakage, and repair it if necessary. |
b. Defective thermostat | Replace. | |
c. Malfunction of water pump | Replace. | |
d. Clogged engine coolant passage | Clean. | |
e. Improper ignition timing | Inspect and repair ignition control system. Basic Diagnostic Procedure"> | |
f. Clogged or leaking radiator | Clean, repair or replace. | |
g. Defective radiator cap | Replace. | |
h. Improper engine oil in engine coolant | Replace the engine coolant. If ineffective, check, repair or replace engine components. | |
i. Air/fuel mixture ratio too lean | Inspect and repair the fuel injection system. Basic Diagnostic Procedure"> | |
j. Excessive back pressure in exhaust system | Clean or replace. | |
k. Insufficient clearance between piston and cylinder | Adjust or replace. | |
l. Slipping clutch | Repair or replace. | |
m. Dragging brake | Adjust. | |
n. Malfunction of radiator fan | Inspect the radiator fan relay, engine coolant temperature sensor or fan motor and replace them. | |
Over-cooling | a. Ambient temperature extremely low | Partly cover radiator front area. |
b. Defective thermostat | Replace. | |
Engine coolant leaks | a. Loosened or damaged connecting units on hoses | Repair or replace. |
b. Leakage from water pump | Replace. | |
c. Leakage from water pipe | Repair or replace. | |
d. Leakage around cylinder head gasket | Retighten cylinder head bolts or replace cylinder head gasket. | |
e. Damaged or cracked cylinder head and cylinder block | Repair or replace. | |
f. Damaged or cracked thermostat cover | Repair or replace. | |
g. Leakage from radiator | Repair or replace. | |
Noise | a. Defective radiator fan | Replace. |
b. Defective water pump bearing | Replace water pump. | |
c. Defective water pump mechanical seal | Replace water pump. |
SUBARU advanced frontal airbag system
Your vehicle is equipped with a SUBARU
advanced frontal airbag system that complies
with the new advanced frontal airbag
requirements in the amended Federal
Motor Vehicle Safety Standard (FMVSS)
No. 208.
The SUBARU advanced frontal airbag
system automatically determines the deployment
forc ...
Replacement
SECURITY AND LOCKS > Ignition Key LockREPLACEMENTCAUTION:• Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">• If the steering wheel and steering ...
Removal
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Heater CoreREMOVALCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">1. Using the refrigerant recovery syste ...