Maintenance Manual for J2 Sedan
Mechanical Part of Engine
111
⑤
If the engine coolant temperature sensor
needs to be reused, apply specified sealant to
its thread.
■
Specified sealant: LT648 or equivalent.
2. Check after Installation
■
Check for any coolant leakage with leak
detector of radiator cap. Please refer to
“Leakage Check”.
■
Start and warm up the engine. Visually inspect if there is any engine coolant leakage.
VII. Water Piping Sub-assembly
1. Dismantlement
①
Discharge the engine coolant through water drainage plug at the bottom of radiator. Please refer to
“Replace Engine Coolant”.
Attention:
■
Operate after the engine has cooled.
②
Dismount the air filter assembly. Please refer to “Air Filter Assembly”.
③
Dismount the upper and lower water hoses of radiator.
④
Dismount the warm water hose and minor cycle water piping.
⑤
Unscrew water inlet pipe bolt before disassembling the water inlet pipe from back of water pump.
Attention:
■
Please dismount the negative terminal of battery before dismantlement.
2. Installation
Be aware of following precautions and install with steps contrary to dismantlement.
1)
Firmly insert each hose. Mount the clamp properly so that it will not clamp the raised position of
water piping.
2)
Replace the steel water returning pipe gasket of heater.
Attention:
■
Do not apply engine oil or other oil substances to the seal ring.
■
Water pipes on thermostat housing must be installed solidly.
3. Check after Installation
1)
Check if there is any engine coolant leakage with leak detector for radiator cap. Please refer to
“Leakage Check”.
2)
Start and warm up the engine. Visually inspect if there is any engine coolant.
Fig. 1.3.013
