Oil Filler Cap - Suzuki Samurai 1986 Service Manual

3) Run engine at specified idling speed and,
under this running condition, read vacuum
gauge. Vacuum should not be lower than
45
cm Hg (17.7 in. Hg).
A low vacuum reading means that any combi-
nation of following malconditions is the cause,
which must be corrected before releasing
machine to customer:
(a) Leaky cylinder head gasket
(b) Leaky inlet manifold gasket
(d) Weakened valve springs
(e) Maladjusted valve clearance
(f) Valve timing out of adjustment
NOTE:
Should indicating hand of the vacuum gauge
oscillate violently, turn adjusting nut @I to
steady it
Standard vacuum
(sea level)
Idling speed
specification
4) After checking, remove vacuum gauge.
5) Before reinstalling vacuum checking plug,
be sure to wrap its screw threads with
sealing tape and tighten plug.
55cm Hg
(17.7 - 21.6 in. Hg)
BOO f 50 r/min (rpm)
(Take vacuum reading
at this speed.)

Oil Filler Cap

The cap has a packing. Be sure that packing is in
good condition, free of any damage and signs of
deterioration, and is tight In place: it is replacea-
ble.
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