6A2-98 ENGINE MECHANICAL (H25 ENGINE)
REMOVAL
1) Remove engine assembly from vehicle referring to “Engine
Assembly” in this section.
2) Remove clutch and flywheel (for M/T vehicle) or drive plate
(for A/T vehicle). For clutch removal, refer to “Clutch Cover,
Clutch Disc and Flywheel” in Section 7C1.
Using special tool (flywheel holder), remove flywheel (M/T
vehicle) or drive plate (A/T vehicle).
Special tool
(A) : 09924-17811
3) Remove throttle body, intake manifold, exhaust manifolds.
4) Remove oil pans (lower and upper) and oil pump strainer.
Refer to “Oil Pan and Oil Pump Strainer” in this section for
removal.
5) Remove cylinder head cover.
6) Remove timing chain cover. Refer to “Timing Chain Cover” in
this section for removal.
7) Remove timing chains and chain tensioners, LH Bank 2nd
timing 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
remove them.
12) Remove crankshaft from cylinder block.
INSPECTION
Crankshaft Runout
Using a dial gauge, measure runout at center journal. Rotate
crankshaft slowly. If runout exceeds its limit, replace crankshaft.
Crankshaft runout limit
0.06 mm (0.0023 in.)
1. Flywheel bolt
NOTE:
Loosen 8 mm (0.315 in.) thread diameter bolts (3) first,
then loosen 10 mm (0.394 in.) thread diameter bolts (2)
following the order shown in figure.
1. Lower crankcase
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