Cooling System Bleeding - Toyota Celica 1993 Service Manual

2.2l 4-cyl - vin [s]
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exist until computer systems have completed a relearn cycle.
CAUTION:
To prevent air bag deployment, disconnect negative battery
cable at least 30 seconds before working on vehicle.
FUEL PRESSURE RELEASE
With ignition off, disconnect negative battery cable. Place
suitable container under fuel line connection. Cover fuel line
connection with shop towel. Slowly loosen fuel line connection,
allowing fuel pressure to be released. Once fuel pressure is released,
fuel system components can be removed.

COOLING SYSTEM BLEEDING

Camry & Celica
No special cooling system bleeding procedure is required.
MR2
1) Remove spare tire, front luggage compartment trim and
upper radiator support seal. Connect air bleed hoses to heater and
radiator air drain plugs. See Fig. 11. Attach and support opposite end
of air bleed hoses to hood or hood support. Ensure air bleed hoses are
not pinched.
2) Place heater control lever to the warmest position. Open
heater and radiator air drain plugs at least 3 turns.
3) Slowly add coolant through coolant filler. See Fig. 11.
Air will bleed from air bleed hoses on heater and radiator air drain
plugs. Ensure coolant level in air bleed hoses and coolant filler are
at the same level. See Fig. 11.
4) If coolant level in air bleed hoses is lower, air still
exists in cooling system. Check for pinched or restriction in air
bleed hoses and repeat step 3). When proper coolant level is obtained
in air bleed hoses, close heater and radiator air drain plugs. Remove
air bleed hoses.
5) Install radiator cap on coolant filler to the first stop
point. DO NOT fully tighten radiator cap to the second stop point.
Start engine and allow to idle for 3 minutes. Shut engine off. Recheck
coolant level in coolant filler.
6) Add coolant if necessary and repeat step 5). Recheck
coolant level. If proper coolant level exists, install radiator cap
and fully tighten to the second stop point. Fill coolant reservoir
tank to the FULL line. Reinstall upper radiator support seal.
Fig. 11:
Installing Air Bleed Hoses & Identifying Coolant Filler
(MR2)

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