Toyota 1HZ Critical Torque Specs: Cylinder Head, Crankshaft & Rods

Brand
Toyota
Model name
Coaster
Engine
1HZ
ENGINE, ENGINE TUNE-UP
Part tightened N*m kgf*cm ft.*lbf
Injection pump x Timing gear case sub-assembly 18 185 13
Injection pump x Injection pump stay 69 700 61
Plug bolt x Distributive head plug 17 170 12
Injection pipe x Injection pump 17 170 12

TIMING BELT
Part tightened N*m kgf*cm ft.*lbf
No.1 camshaft timing pulley x Camshaft 98 1000 72
Cylinder head cover x Cylinder head 6.4 65 52 in.*lbf
Intake pipe x Cylinder head cover, Intake manifold 19.6 200 14
No.1 flange x No.2 camshaft timing pulley x No.2 flange x Injection pump drive gear 31 315 23
Idler pulley x Timing gear cover 34.5 350 25
Timing belt tensioner x Timing gear cover 13 130 10

TIMING GEARS
Part tightened N*m kgf*cm ft.*lbf
Injection pump drive gear x Injection pump drive shaft 98 1000 72
Thrust plate x Idle gear x Idle gear shaft 39 400 29
Timing gear cover x Timing gear case 20 200 14
No.1 crankshaft pulley x Crankshaft 490 5000 362
No.2 crankshaft pulley x No.1 crankshaft pulley 25 250 18
Vacuum pump x Timing gear cover 39 400 29
Oil pipe x Timing gear cover 20 200 14
Oil pipe x Vacuum pump 18 185 13
Oil pipe x Cylinder block 18 185 13

CYLINDER HEAD
Part tightened N*m kgf*cm ft.*lbf
Cylinder head x Cylinder block 1st 68 700 51
2nd 90° 90° 90°
3rd 90° 90° 90°
Camshaft bearing cap x Cylinder head No.1 journal 25 250 18
Others 18 185 13
Camshaft oil seal retainer x Cylinder head 20 200 14
Exhaust manifold x Cylinder head 39 400 29
Glow plug x Cylinder head 13 130 9
Injection nozzle x Cylinder head 64 650 47
Nozzle leakage pipe x Injection nozzle 29 300 22
Water outlet x Cylinder head 20 200 14
Intake manifold x Cylinder head 20 200 14
Oil dipstick guide x Intake manifold 20 200 14
Oil dipstick guide x Oil cooler cover 20 200 14

CYLINDER BLOCK
Part tightened N*m kgf*cm ft.*lbf
Check valve x Oil nozzle x Cylinder block 27 275 20
Main bearing cap x Cylinder block
(Main bearing cap bolt) 		1st 103 1050 76
2nd 90° 90° 90°
Main bearing cap x Cylinder block 18 185 13
Connecting rod cap x Connecting rod 1st 39 375 27
2nd 90° 90° 90°
Rear oil seal retainer x Cylinder block 6.4 65 56 in.*lbf
Rear end plate x Cylinder block 18 185 13
Flywheel assembly x Crankshaft 127 1300 94