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Charge air cooler (CAC)
(with Euro II engine)
Inspection
If engine experiences a turbocharger
failure or any other occasion where
oil or debris has entered into CAC,
the CAC must be cleaned.
Remove CAC from vehicle.
Visually inspect CAC for cracks, holes
and damage.
Inspect tubes, fins and welds for tear,
breakage or other damage.
Cleaning
Flush CAC internally first with
trichloro ethane (solvent) in the
opposite direction of normal air flow.
Shake the CAC and lightly tap on the
end tanks with a rubber mallet to
dislodge trapped debris.
Caution : Do not use caustic
cleaners to clean CAC. Damage to
CAC will result.
After the CAC has been thoroughly
cleaned of all oil and debris with
solvent, wash CAC internally with
industrial soap solution to remove
remaining solvent. Rinse thoroughly
with clean water.
Blow compressed air into the CAC in
the opposite direction of normal air
flow until the CAC is dry internally.
4.1 Air intake system
Maintenance
Charge air cooler
Cleaning with hot water/compress air
Cleaning with solvent
Charge air cooler
