Service Manual

ISB, ISBe and QSB (Common Rail [...] Coolant Heater
Section 8 - Cooling System - Group 08 Page 8-7
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Coolant Heater (008-011)
Preparatory Steps
WARNING
Coolant is toxic. Keep away from children and pets. If
not reused, dispose of in accordance with local
environmental regulations.
WARNING
Do not remove the pressure cap from a hot engine.
Wait until the coolant temperature is below 50°C
[120°F] before removing the pressure cap. Heated
coolant spray or steam can cause personal injury.
CAUTION
Use caution when draining the coolant system that
coolant is not spilled or drained into the bilge area.
The coolant must be discarded in accordance with
local environmental regulations.
•
Drain the engine cooling system. Refer to Procedure
008-018.
•
Disconnect the block heater electrical cord.
Remove
Flange Mounted
Remove the two block heater retaining capscrews.
Remove the block heater from the block.
Threaded
Remove the block heater retaining nut.
Remove the block heater from the block.