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Automotive Torque Specifications

 Home Subaru Subaru Coupes Sedans and Wagons 1985-96

Subaru Coupes, Sedans and Wagons 1985-96


1.8L (1820cc) SOHC 4Cyl
Component Torque
Camshaft Case Bolts 13-14 ft. lbs.
Camshaft Sprocket Bolts 7 ft. lbs.
Camshaft Support Bolts 4.3-5.1 ft. lbs.
Crankshaft Damper Bolt 69-76 ft. lbs.
Cylinder Head Bolts NOTE
Engine Mount-to-Crossmember Bolts 14-24 ft. lbs.
Exhaust Pipe-to-Engine Nuts 18-26 ft. lbs.
Flywheel-to-Crankshaft Bolts 51-55 ft. lbs.
Intake Manifold Bolts 15-25 ft. lbs.
Main Bearing Bolts 6 and 8mm Bolts Bolts #1-7 14-20 ft. lbs.
Bolt #8 4.7 ft. lbs.
10mm Bolts 33-37 ft. lbs.
Oil Pan Bolts 4 ft. lbs.
Oil Pan Drain Plug 18 ft. lbs.
Oil Pressure Switch, Sending Unit or Plug 16-20 ft. lbs.
Oil Pump Mounting Bolts 5 ft. lbs.
Oil Pump By-pass Spring Plug 23-27 ft. lbs
Oil Pump Pulley Nut 13-15 ft. lbs.
Piston Pin Access Plugs 46-56 ft. lbs.
Rod Bearing Bolts 32-34 ft. lbs.
Spark Plugs 14-22 ft. lbs.
Thermostat Housing-to-Engine Bolts 7 ft. lbs.
Timing Belt Cover Bolts 48 inch lbs.
Timing Belt Idler Pulley Mounting Bolt 32 ft. lbs.
Timing Belt Tensioner Mounting Bolts 14 ft. lbs.
Valve Cover Bolts 3-4 ft. lbs.
Water Pump 7-8 ft. lbs.
Water Pump Pulley Bolts 7-8 ft. lbs.
NOTE Step 1: Tighten all bolts to 22 ft. lbs.
  Step 2: Tighten all bolts to 51 ft. lbs.
  Step 3: Loosen all bolts, in reverse torque sequence,  by 180
  Step 4: Loosen all bolts, in reverse torque sequence again by 180
  Step 5: Tighten bolts #1 and #2, in the torque sequence, to25 ft. lbs. 
  Step 6: Tighten bolts #3,4,5 and #6, in the torque sequence, 11 ft. lbs.
  Step 7: Tighten all bolts, in torque sequence, by 80-90
  Step 8: Tighten all bolts, in torque sequence, again by 80-90

Fig. 1 Cylinder head bolt torque sequence-1.8L engine

Fig. 2 Timing mark alignment-1.8L engine

Fig. 3 Oil relief pipe and plug-1.8L engine

Fig. 4 Firing order and cylinder location-1.8L engine


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