Geo Storm Isuzu Impulse Stylus Torque specs

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1.6L ( SOHC )
Component			Torque
Air Intake Plenum-to-Intake manifold Bolts			17 ft. lbs.
Camshaft Sprocket-to-Camshaft Bolt(s)	1990		43 ft. lbs.
	1991-93		106 inch lbs.
Crankshaft Damper Bolt			87 ft. lbs.
Crankshaft Pulley Bolts	1990		89 inch lbs.
	1991-93		17 ft. lbs.
Cylinder Head Bolts ( in sequence )	Step 1		29 ft. lbs.
	Step 2		58 ft. lbs.
Exhaust Manifold Bolts and Nuts			30 ft. lbs.
Flywheel/Driveplate Bolts	1990	Manual	58 ft. lbs.
		Automatic	47 ft. lbs.
	1991-93	Step 1	22 ft. lbs.
		Step 2	Note
Idler Pulley Bolts			22 ft. lbs.
Intake Manifold Bolts and Nuts			17 ft. lbs.
Main Bearing Cap Bolts			44 ft. lbs.
Oil Pan Bolts and Nuts			89 inch lbs.
Oil Pump Bolts			89 inch lbs.
Oil Pump Cover Screws			89 inch lbs.
Oil Pump Relief Valve Plug			27 ft. lbs.
Rear Main Oil Seal Retainer Bolts			89 inch lbs.
Rear Mount Center Bolts			76 ft. lbs.
Rear Mount-to-Transaxle Case Bolts			37 ft. lbs.
Rocker Arm Bracket Bolts			16 ft. lbs.
Rod Bearing Cap Nuts	1990		36 ft. lbs.
	1991-93	Step 1	11 ft. lbs.
		Step 2	Note
Throttle Body-to-Air Intake Plenum Bolts			16 ft. lbs.
Timing Belt Cover Bolts			31 ft. lbs.
Timing Belt Tensioner			31 ft. lbs.
Valve Cover Bolts			89 inch lbs.

								Note	Tighten an additional 45 to 60 degrees.

Fig.1 Cylinder head bolt torque sequence-1.6L ( SOHC )

Fig. 2 Rocker arm bracket bolt torque sequence-1.6L ( SOHC )

Fig. 3 Rocker arm bracket bolt loosening sequence-1.6L ( SOHC )

Fig. 4 Timing mark alignment-1.6L ( SOHC )

Fig. 5 Firing order and cylinder location-All

Fig. 6 Main bearing cap torque sequence-All

1.6L ( DOHC )
Component			Torque
Air Intake Plenum-to-Intake manifold Bolts			17 ft. lbs.
Camshaft Bearing cap Bolts			89 inch lbs.
Camshaft Sprocket-to-Camshaft Bolt			43 ft. lbs.
Crankshaft Center Bolt			87 ft. lbs.
Cylinder Head Bolts ( in sequence )	Step 1		29 ft. lbs.
	Step 2		58 ft. lbs.
Exhaust Manifold Bolts and Nuts			30 ft. lbs.
Flywheel/Driveplate Bolts	1990	Manual	58 ft. lbs.
		Automatic	47 ft. lbs.
	1991-93	Step 1	22 ft. lbs.
		Step 2	Note
Idler Pulley Bolts			22 ft. lbs.
Intake Manifold Bolts and Nuts			17 ft. lbs.
Main Bearing Cap Bolts			44 ft. lbs.
Oil Pan Bolts and Nuts			89 inch lbs.
Oil Pump Bolts			89 inch lbs.
Oil Pump Cover Screws			89 inch lbs.
Oil Pump Relief Valve Plug			27 ft. lbs.
Rear Main Oil Seal Retainer Bolts			89 inch lbs.
Rear Mount Center Bolts			76 ft. lbs.
Rear Mount-to-Transaxle Case Bolts			37 ft. lbs.
Rod Bearing Nuts	1990		36 ft. lbs.
	1991	Step 1	11 ft. lbs.
		Step 2	Note
Throttle Body-to-Air Intake Plenum Bolts			16 ft. lbs.
Timing Belt Cover Bolts			89 inch lbs.
Timing Belt Tensioner			31 ft. lbs.
Valve Cover Bolts			26 inch lbs.

Tighten bolts an additional 45 to 60 degrees

Fig. 1 Cylinder head bolt torque sequence-1.6L & 1.8L ( DOHC )

Fig. 2 Timing mark alignment-1.6L & 1.8L ( DOHC )

Fig. 3 Main bearing cap torque sequence-All

Fig. 4 Firing order and cylinder location-All

1.8L ( DOHC )
Component			Torque
Air Intake Plenum-to-Intake manifold Bolts			17 ft. lbs.
Camshaft Bearing cap Bolts			89 inch lbs.
Camshaft Sprocket-to-Camshaft Bolt			43 ft. lbs.
Crankshaft Center Bolt			108 ft. lbs.
Cylinder Head Bolts ( in sequence )	Step 1		29 ft. lbs.
	Step 2		58 ft. lbs.
Exhaust Manifold Bolts and Nuts			30 ft. lbs.
Flywheel/Driveplate Bolts	1990	Manual	58 ft. lbs.
		Automatic	47 ft. lbs.
	1991-93	Step 1	22 ft. lbs.
		Step 2	Note #1
Idler Pulley Bolts			22 ft. lbs.
Intake Manifold Bolts and Nuts			17 ft. lbs.
Main Bearing Cap Bolts	Step 1		22 ft. lbs.
	Step 2		44 ft. lbs.
	step 3		65 ft. lbs.
Oil Pan Bolts and Nuts			89 inch lbs.
Oil Pump Bolts			89 inch lbs.
Oil Pump Cover Screws			89 inch lbs.
Oil Pump Relief Valve Plug			27 ft. lbs.
Rear Main Oil Seal Retainer Bolts			89 inch lbs.
Rear Mount Center Bolts			76 ft. lbs.
Rear Mount-to-Transaxle Case Bolts			37 ft. lbs.
Rod Bearing Nuts	Step 1		18 ft. lbs.
	Step 2		Note #2
Throttle Body-to-Air Intake Plenum Bolts			16 ft. lbs.
Timing Belt Cover Bolts			89 inch lbs.
Timing Belt Tensioner			31 ft. lbs.
Valve Cover Bolts			26 inch lbs.

									Note #1	Tighten bolts an additional 45 to 60 degrees
									Note #2	Tighten bolts an additional 100 degrees

Fig. 1 Cylinder head bolt torque sequence-1.6L & 1.8L ( DOHC )

Fig. 2 Timing mark alignment-1.6L & 1.8L ( DOHC )

Fig. 3 Main bearing cap torque sequence-All

Fig. 4 Firing order and cylinder location-All

Transmission/Drive Train

Component	Torque
Automatic Transaxle-to-Engine Bolts	31 ft. lbs.
Driveaxle/Hub Nut	137 ft. lbs.
Intermediate Shaft Bracket Bolts	30 ft. lbs. *
Manual Transaxle-to-Engine Bolts	55 ft. lbs.
Pressure Plate-to-Flywheel Bolts	13 ft. lbs.
Torque Converter-to-Driveplate Bolts	31 ft. lbs.

*	This assembly is only used on cars with a 1.8L engine and manual transaxle.

Suspension/Steering

Front Suspension
Component	Torque
Balljoint-to-Control Arm Bolts/Nuts	115 ft. lbs.
Balljoint-to-Steering Knuckle Pinch Bolt	49 ft. lbs.
Control Arm Rear Bushing-to-Crossmember Bolt	51 ft. lbs.
Control Arm Front Bushing-to-Body Bolt	95 ft. lbs.
Stabilizer Bar-to-Control Arm Link Bolts	19 ft. lbs.
Stabilizer Bar-to-Crossmember Bushing Bracket Bolts	12 ft. lbs.
Strut Upper Mounting Nuts	58 ft. lbs.
Strut-to-Steering Knuckle Bolts/Nuts	115 ft. lbs.
Strut Damper Shaft Nut	43 ft. lbs.
Rear Suspension
Component	Torque
Strut Upper Mounting Nuts	50 ft. lbs.
Strut-to-Knuckle Bolts/Nuts	116 ft. lbs.
Strut Damper Shaft Nut	36 ft. lbs.
Trailing Link Bolts ( Both ends )	94 ft. lbs.
Lateral Link Bolts ( Both ends )	94 ft. lbs.
Stabilizer Bar Link Retaining Bolts	19 ft. lbs.
Stabilizer Bar Bushing Bracket Bolts	71 ft. lbs.
Steering
Component	Torque
Steering Gear Mounting Bolts	51 ft. lbs.
Tie Rod End-to-Steering Knuckle Nut	40 ft. lbs.

Brakes

Component	Torque
Brake Booster Mounting Nuts	115 inch lbs.
Brake Hose-to-Caliper Banjo Fitting Bolt	22 ft. lbs.
Caliper Mounting Bolts	36 ft. lbs.
Caliper Bracket-to-Steering Knuckle Bolts	76 ft. lbs.
Master Cylinder-to-Brake Booster Nuts	115 inch lbs.
Wheel Cylinder Mounting Bolts	89 inch lbs.