Service Manual

Water Inlet Connection ISB, ISBe and QSB (Common Rail [...]
Page 8-106 Section 8 - Cooling System - Group 08
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Loosen and slide the two hose clamps on the coolant
return junction connection hose back on the coolant return
junction.
Remove the three mounting capscrews from the water
inlet connection.
Slide the water inlet connection from the coolant return
junction and remove the water pump inlet and sealing
ring. Discard the sealing ring.
Clean and Inspect for Reuse
Inspect the rectangular sealing ring for cracks.
If evidence of leaking exists, replace rectangular sealing
ring.
WARNING
When using solvents, acids, or alkaline materials for
cleaning, follow the manufacturer's recommendations
for use. Wear goggles and protective clothing to
reduce the possibility of personal injury.
WARNING
Some solvents are flammable and toxic. Read the
manufacturer's instructions before using.
WARNING
Wear appropriate eye and face protection when using
compressed air. Flying debris and dirt can cause
personal injury.
Clean the inlet connection with solvent.
Dry with compressed air.