Engine Specifications and Torques

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General specifications


Cylinder numbers(from the drive belt to the gearbox see figure 11.9)
Rear block1-2-3
front block4-5-6
Ignition order1-4-2-5-3-6
CompressionSee chapter 2 part C
Camshaft timing chain slack6 degrees
Nominal cam clearance2.235-0.48mm (0.088-0.0189 inch)

Tightening torques


Torque valuesN.m.(foot pounds)
All engines:
Nut of fastening of an arm of the shock-absorber to a shock-proof support on the right side28.5-40.7(21-30)
Bolts of fastening of an arm of the shock-absorber to an anti-shock support on the right side54.2-74.6(40-55)
Bolts of fastening of an arm of the generator to the shock-absorber on the right side28.5-40.7(21-30)
Nuts for fastening the left side of the shock absorber bracket to the frame28.5-40.7(21-30)
Left bolts of fastening of the shock-absorber to an arm28.5-40.7(21-30)
Left shock absorber mounting bolt28.5-40.7(21-30)
For 3.0L V6 parts only:
Bolt of fastening of an asterisk of a camshaft to a camshaft54.2-69.2(40-51)
Bolt of fastening of a pulley of a crankshaft to the shock-absorber year of release of 1990 and earlier27.1-38(20-28)
year of issue 199150.2(37)
Vibration damper mounting bolt to crankshaft:
Model years 1990 and earlier191-229(141-169)
Release year 1991145(107)
Cylinder head bolts:
Release years 1990 and earlier:
Step 165 1-73.2(48-54)
Step 285.4-108.5(63-80)
1991
Step 150.2(37)
Step 292.2(68)
1992
Step 180(59)
Step 2: Loosen all bolts 2 turns (360 degrees)
Step 350.2(37)
Step 492.2(68)
Exhaust manifold bolts/studs20.3-29.8(15-22)
Bolts of fastening of an exhaust manifold to a head of the block of cylinders:
Release years 1990 and earlier:
Step 114.9(11)
Step 224.4(18)
Step 332.5(24)
1991
Step 114.9(11)
Step 228.5(21)
Nut of fastening of a tube of an inlet of oil to a cover of the radical bearing40.7-54.2(30-40)
Bolt of fastening of a tube of release of oil to the block20.3-29.8(15-22)
Bolt of fastening of the oil pallet to the block9-12(80-106 in-lb)
Oil filter adapter bolt to camshaft timing chain cover24 4-29.8(18-22)
Bolt of fastening of the oil pump to a bearing cover40.7-54.2(30-40)
Bolts of fastening of axes of hinges of levers of valves to a head of the block of cylinders:
Step 16.8-14.9(5-11)
Step 227.1-38(20-28)
Bolts / hairpins of fastening of a cover of the valve mechanism to a head of the block of cylinders9-12(80-106 in-lb)
Bolts for securing the camshaft drive chain cover to the block:
1990s and earlier:
6 mm8.1-10.9(6-8)
8 mm20.3-29.8(15-22)
1991 release25.8(19)
Engine mount through bolt54.2-74.6(40-55)
Nut of fastening of a suspension bracket to a frame74.6-101.7(55-75)
For 3.8L V6 engines only:
Camshaft sprocket to camshaft bolt, year 1990 and earlier20.3-29.8(15-22)
199140.7-54.2(30-40)
Bolt of fastening of a pulley of a crankshaft to the shock-absorber27.1-38(20-28)
Vibration damper mounting bolt to crankshaft:
year of manufacture 1990 and earlier126-164(93-121)
1991140-179(103-132)
Cylinder head bolts:
Step 1502(37)
Step 261(45)
Step 370.5(52)
Step 480(59)
Step 5: Loosen the bolts alternately 2-3 turns
Step 6
1990 and earlier: Repeat steps 1 to 4
1991 release (alternately):
Long bolts: 11-18, plus an additional 85-105 degree turn
Short bolts: 11-18, plus an additional 65-85 degree turn
Exhaust manifold bolts/studs20.3-29.8(15-22)
Bolts of fastening of an inlet manifold to a head of the block of cylinders:
Step 19.5(7)
Step 220.3(15)
Step 332.5(24)
Nut of fastening of a tube of an oil inlet to a cover of the radical bearing40.7-54.2(30-40)
Bolt of fastening of a tube of an oil inlet to the block20.3-29.8(15-22)
Bolt of fastening of the oil pallet to the block9-12(80-106 in-lb)
Oil filter adapter bolt to camshaft timing chain cover24.4-29.8(18-22)
Bolt / hairpin of fastening of a cover of the valve mechanism to a head of the block of cylinders9-12(80-106 in-lb)
Bolts of fastening of axes of hinges of levers of the valve to a head of the block of cylinders
Step 16.8-14.9(5-11)
Step 224.4-35.3(18-26)
Bolt of fastening of a cover of a chain of a drive of a cam-shaft to the block20.3-29.8(15-22)
Nut of fastening of a forward suspension bracket of the engine to an arm of the air conditioner54.2-74.6(40-55)
Nut of fastening of a forward suspension bracket of the engine to a frame74.6-101.7(55-75)
Nut of fastening of a back suspension bracket of the engine to an arm of a transmission94.9-122(70-90)
Nut of fastening of a back suspension bracket of the engine to a frame74.6-101.7(55-75)







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