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1D-210 Engine Mechanical:
5. Inspect the interior of the right camshaft cover for the
following conditions:
– Restrictions to the ventilation system (1)
– Gouges or damage to the spark plug shield seal
bore (2)
– Gouges or damage to the camshaft cover sealing
groove (3)
6. Repair or replace the camshaft cover or covers as
necessary.
PCV Orifice Replacement
NOTE
If the PCV orifice is damaged or plugged and
cannot be cleaned out, the PCV orifice can be
replaced.
1. Remove the old PCV orifice by griping the neck of
the orifice with pliers and twisting and pulling out of
the right camshaft cover.
2. Apply sealant GM P/N 12378521 (Canadian P/N
88901148) or equivalent to the NEW PCV orifice (1).
3. Install the NEW PCV orifice into the right camshaft
cover. After insertion, twist the PCV orifice in order to
eliminate any vertical leak paths in the sealant.
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Troubleshooting
