Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
ENGINE COOLING 6B-13
[G16 engine]
[J20 engine]
[H25 engine]
6) Install throttle body and intake manifold.
Refer to Section 6A2 for installation.
7) Install radiator outlet pipe (3) to thermostat case with new O-ring.
8) Install radiator inlet and outlet hoses (1), (2).
9) Refill cooling system with proper coolant, referring to description
on “COOLANT” and steps 8) to 10) of “COOLING SYSTEM
FLUSH AND REFILL” in this section.
THERMOSTAT
REMOVAL
1) Drain cooling system and tighten drain plug.
2) Remove fan shroud with cooling fan after disconnecting radiator
inlet hose from radiator (H25 engine only).
3) Remove thermostat cap (1).
4) Remove thermostat.
INSPECTION
Make sure that air bleed valve (1) of thermostat is clean. Should
this valve be clogged, engine would tend to overheat.
Check to make sure that valve seat is free from foreign matters
which would prevent valve from seating tight.
Check thermostat seal (2) and O-ring for breakage, deterioration
or any other damage.