Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
ENGINE MECHANICAL (H25 ENGINE) 6A2-85
(A)
1. Flywheel bolt
1. Lower crankcase
2. Bolt (10 mm thread diameter)
3. Bolt (8 mm thread diameter)
2, (a)
3, (b)
1. Lower crankcase
2. Bolt (10 mm thread diameter)
3. Bolt (8 mm thread diameter)
4. Long bolt (8 mm thread diameter)
4, (b)
REMOVAL
1) Remove engine assembly from vehicle as previously outlined.
2) Remove clutch and flywheel (for M / T vehicle) or drive plate (for
A / T vehicle). For clutch removal, refer to Section 7C1.
Using special tool (flywheel holder), remove flywheel (M / T ve-
hicle) or drive plate (A / T vehicle).
Special Tool
(A): 09924-17810
3) Remove throttle body, intake manifold, exhaust manifolds.
4) Remove oil pans (lower and upper) and oil pump strainer. Re-
fer to item “OIL PAN AND OIL PUMP STRAINER” in this sec-
tion for removal.
5) Remove cylinder head cover.
6) Remove timing chain cover. Refer to item “TIMING CHAIN
COVER” in this section for removal.
7) Remove timing chains and chain tensioners, LH Bank 2nd tim-
ing chain, 1st timing chain and RH Bank 2nd timing chain.
8) Remove cylinder head assembly.
9) Remove pistons and connecting rods.
10) Remove oil pump and oil pump chain.
11) Loosen crankcase bolts, following sequence in figure and re-
move them.
NOTE:
Loosen 8 mm thread diameter bolts first, then loosen
10 mm thread diameter bolts following the order shown in
figure.
12) Remove crankshaft from cylinder block.
INSPECTION
Crankshaft runout
Using a dial gauge, measure runout at center journal. Rotate crank-
shaft slowly. If runout exceeds its limit, replace crankshaft.
Limit on runout: 0.06 mm (0.0023 in.)
Crankshaft thrust play
Measure this play with crankshaft set in cylinder block in the normal
manner, that is, with thrust bearing and journal bearing caps
installed. Tighten crankcase bolts to specified torque in such order
as indicated in figure.
NOTE:
Tighten 10 mm thread diameter bolts first (following the order
shown in figure), then tighten 8 mm thread diameter bolts.
Tightening Torque
(a): 60 N
.
m (6.0 kg-m, 43.5 lb-ft)
(b): 27 N
.
m (2.7 kg-m, 19.5 lb-ft)