Mercury MerCruiser D2.8L D-Tronic Service Manual page 775

SERVICE MANUAL NUMBER 22
Cleaning and Inspection
1. Clean old gasket material and sealant from flanges. Do NOT nick or gouge the surfaces
which would cause intake or water leaks.
2. On D2.8L Engines: Depending on service requirement and/or to allow for a complete
cleaning and inspection, separate (remove) side intake duct from intercooler housing.
Clean old gasket material and sealant from flanges. Do NOT nick or gouge the surfaces
which would cause intake or water leaks.
D2.8L Engine Intercooler Housing and Intake Duct
3. Use a 4.4 mm (11/64 in.) diameter by 610 mm (24 in.) long rod to clean out radiator insert
tubes, or take to a radiator shop for cleaning.
4. Inspect each part for cracks or other damage which would render it unserviceable.
5. Refer to SECTION 1B - and check anodes.
6. Clean and paint exterior surfaces as required to prevent corrosion.
IMPORTANT: Be careful not to drop anything into intake ports.
7.
90-860074--1 FEBRUARY 2002
a - Side Intake Duct
b - Intercooler Housing
Clean old gasket material from manifold.
a
b
INTERCOOLER
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