Air
Cleaner
To
remove the round air cleaner filter for the
4.3L
(VIN
2)
engine, turn
the
wing nuts to the left. Remove the cover and change the filter. Care should be
taken during reassembly to ensure that the cover is on straight and the
wingnuts are properly tightened.
To
remove the square air cleaner filter for the
4.3L
(VIN
W)
high
performance engine, loosen both wingnuts (one on the duct and one on the
cover).
Lift the air cleaner assembly
up
from the vehicle. Open both clamps and lift
off
cover to change the filter. While reassembling the air cleaner assembly,
ensure that the air cleaner cover tabs are fully inserted into the slots in the
air cleaner housing, the two wingscrews are secured, and the
PCV
air tube is
properly seated in the left hand valve cover.
Refer to
the
Maintenance Schedule to determine when to replace the air
filter.
See “Scheduled Maintenance Services” in the Index.
6-14
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