Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
1. Ignition coil
2. Spark plug
3. Accelerator cable
4. Clamp
5. Coupler for injectors
5
6A4-4 ENGINE MECHANICAL (J20 ENGINE)
ON-VEHICLE SERVICE
COMPRESSION CHECK
Check compression pressure on all 4 cylinders as follows:
1) Warm up engine.
2) Stop engine after warming up.
NOTE:
After warming up engine, place transmission gear shift le-
ver in “Neutral” (shift selector lever to “P” range for A / T
model), and set parking brake and block drive wheels.
3) Disconnect accelerator cable from clamp (For LH steering ve-
hicle only).
4) Disconnect ignition coil couplers.
5) Remove ignition coils.
6) Remove all spark plugs.
7) Disconnect fuel injector wires at the coupler.
8) Install special tool (Compression gauge) into spark plug hole.
Special Tool
(A): 09915-64510-001
(B): 09915-64510-002
(C): 09915-64530
(D): 09915-67010
9) Disengage clutch (to lighten starting load on engine) for M / T ve-
hicle, and depress accelerator pedal all the way to make throttle
fully open.