MAINTENANCE
Page 137
COOLANT CONDITIONER
ELEMENT REPLACEMENT FOR
ASET™ ENGINES
Coolant Conditioner Replacement
[215 LD]
The location of the coolant conditioner on the
ASET™ engines with traditional front
configuration is on the thermostat housing at the
front of the coolant manifold. ASET™ engine
models with front-redesign and all ASET™ AC
models, place the coolant conditioner at the back
of the water pump housing at the lower left side.
SPECIAL TOOLS REQUIRED
앫 Fuel and Oil Filter Wrench J 24783
앫 Oil Filter Wrench J 29927
The conditioner element is replaced as follows:
All ASET™ ENGINES
1. Place a suitable container below the coolant
filter area to catch any spilled coolant.
2. Using a suitable filter wrench (J 29927, or
equivalent), remove the coolant conditioner
filter element and discard.
3. Apply a light film of oil on the face of the new
filter element gasket seal.
4. Install the filter element on the coolant
conditioner base assembly. Using tool
J 24783, tighten the filter element one full
turn after the gasket contacts the base.
OIL COALESCING AIR FILTER
REPLACEMENT
Engines produced after May 4, 2004 have an oil
coalescing air filter incorporated into the air line
supplying the control valve to prevent oil
condensation and possible “coking” inside the
VTG position control valve. This filter is mounted
on a bracket at the lower side of the cylinder
block, to the rear of the oil filters (Figure 118).
The filter must be changed at each B, C and D
inspection interval (every other engine oil change
interval). Procedures for replacing the spin-on
filter are as follows:
118
Figure 118 — Oil Coalescing Air Filter
1. VTG Position Control
Valve
2. Shut-Off Valve
3. Pressure Protection
Valve
4. Oil Coalescing Air Filter
5-111.bk Page 137 Monday, July 10, 2006 2:26 PM
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