Plymouth Gran Fury 1980 Operating Instructions And Product Information page 53

Scheduled Maintenance
Fast Idle Cam and Pivot Pin
(Schedule A & B)
It is necessary for the fast
idle cam and pivot to
operate free ly. Have the
recommended solvent
(available at your dealer)
a pplied to the fas t idle
ca m and pivo t p in to
remove dirt, oil, o r
deposits that could
cause sticking or
erratic moti on.
Fast Idle Cam
Drive Belts
··~:!~:!t 1 "
(Schedule A & B)
At the mileage specified in the Maintenance Chart, inspect all
drive belts for ev idence of cuts and cracks and replace if neces-
sary. Check routing to make s ure there is no interferen ce b etween
the belt and other engine components. Ch eck belts for proper
tension and adjus t, if necessary, acco rding to the specifications
ou tlin ed in the Service Manual.
Idle Adjustment (Schedule B)
At the mileage indicated in the Maintenance Chart, check and
adjust the idle speed and air-fue l mixture acco rding to the
specification s on the "Veh icle Em ission Control Information"
label located in the engine compartmen t. Fast idle speed should
also be checked, and adjusted if necessary. See Service Manual
for detailed instructions.
Spark Plugs (Schedule A
&
B)
Spark p lugs mus t fire properly to assure engin e performance a nd
emission con trol. The plugs installed in your car should opera te
sa tisfac torily, in normal passenger car service, for the m ileage
indicated in the Maintenance Chart. New plugs should be instal-
led at thi s m ileage, or earlier if any indication of misfir ing occurs.
The entire set should be replaced if there is any malfunction due
to a fa ul ty spark plug . Check t he specifications for the proper type
of spark plug for use in your car.
Ignition Cables (Schedule B)
The ignition cables should be kept clean and p roperly co nnected .
Term inals should be fully seated. The nipple assembl ies should
not be removed from the di strib utor or coil towers un less nipples
are damaged or cable tes ting indicates high resistance or broken
insulation. Refer to the Service Man ual for the proper procedure
to be fo llowed for checking ign ition cable resistance. Cracked,
damaged, or fau lty cables must be replaced.
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