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Automotive Torque Specifications

Home Nissan Nissan Sentra 1982-94

Nissan Sentra 1982-94

Engine

Note: To determine which engine you have, check the VIN code on the dash or under the hood. The fourth digit from the left, is the engine code. The engine codes are as follows...

H E15 1.5L SOHC (1982)
P E16 1.6L SOHC (1982-88)
G GA16i 1.6L SOHC (1989-90)
G SR20DE 2.0L DOHC (1991-94)
E GA16DE 1.6L DOHC (1991-94)

 

All Engines
Component Torque
Camshaft bearing cap bolts (1991-94) GA16 80-104 in. lbs.
SR20 all except distributor bracket bolts 80-104 in. lbs.
distributor bracket bolts 13-19 ft. lbs.
camshaft sprocket bolt 1982 and 83 (E15) 51-69 in. lbs.
1983-88 (E16) 78-104 in. lbs.
1989-94 (except SR20) 72-94 ft. lbs.
1991-94 (SR20) 101-116 ft. lbs.
crankshaft pulley-to-Crankshaft bolt 1982-85 83-108 ft. lbs.
1986-88 80-94 ft. lbs.
1989-94 (except SR20) 98-112 ft. lbs.
1991-94 (SR20) 105-112 ft. lbs.
cylinder head bolts 1982-83 step 1 29-33 ft. lbs.
step 2 51-54 ft. lbs.
1984-88 step 1 22 ft. lbs.
step 2 51 ft. lbs.
step 3 NOTE 1
step 4 22 ft. lbs.
step 5 51-54 ft. lbs.
1989-94 (GA16) step 1 (Bolts 1-10) 22 ft. lbs.
step 2 (Bolts 1-10) 43 ft. lbs.
step 3 (Bolts 1-10) NOTE 1
step 4 (Bolts 1-10) 22 ft. lbs.
step 5 (Bolts 1-10) 43-47 ft. lbs.
step 6 (Bolts 11-15) 55-73 in. lbs.
1991-94 (SR20) step 1 29 ft. lbs.
step 2 58 ft. lbs.
step 3 NOTE 1
step 4 25-33 ft. lbs.
step 5 NOTE 2
step 6 NOTE 2
engine mount through bolts 1982-85 29-36 ft. lbs.
1986-88 29-40 ft. lbs.
1989-94 33-40 ft. lbs.
exhaust manifold bolts 12-15 ft. lbs.
flywheel bolts automatic 69-76 ft. lbs.
manual 1982-88 58-65 ft. lbs.
1989-94 61-69 ft. lbs.
idler sprocket bolt (GA16DE only) 32-43 ft. lbs.
intake manifold bolts/Nuts 12-15 ft. lbs.
main bearing cap bolts 1982-88 36-43 ft. lbs.
1989-94 GA Series 36-38 ft. lbs.
SR20DE step 1 24-28 ft. lbs.
step 2 NOTE 3
oil pan bolts 1982-86 32-44 in. lbs.
1987-94 (Except SR20) 55-73 in. lbs.
1991-94 (SR20) aluminum section-to-Block large bolts 12-14 ft. lbs.
small nuts 56-66 in. lbs.
steel pan-to-Aluminum section 56-66 in. lbs.
oil pick-up (Strainer) bolts/Nuts 55-73 in. lbs.
oil pump-to-Block bolts 1982-83 (E15) 80-104 in. lbs.
1983-86 (E16) 69-86 in. lbs.
1987-88 144-180 in. lbs.
oil pump-to-Front cover bolts 1989-90 43-61 in. lbs.
1991-94 GA16 55-73 in. lbs.
SR20 56-66 in. lbs.
oil pump-to-Front cover screws 1989-90 26-43 in. lbs.
1991-94 32-44 in. lbs.
rocker arm shaft bolts 1982-88 12-15 ft. lbs.
1989-90 27-31 ft. lbs.
rod bearing cap nuts 1982-88 23-27 ft. lbs.
1989-94 GA Series step 1 120-144 in. lbs.
step 2 NOTE 4
SR20DE step 1 120-144 in. lbs.
step 2 NOTE 5
spark plugs 14-28 ft. lbs.
thermostat housing-to-Engine bolts 1982-87 69-96 in. lbs.
1988 78-121 in. lbs.
1989-90 43-61 in. lbs.
1991-94 GA16DE 75-99 in. lbs.
SR20DE 55-73 in. lbs.
valve cover bolts/Nuts 1982-86 34-69 in. lbs.
1987-88 step 1 16-34 in. lbs.
step 2 34-51 in. lbs.
1989-94 (Except SR20DE) 16-34 in. lbs.
1991-94 (SR20DE) 69-86 in. lbs.
water pump-to-Engine bolts 1982-88 78-121 in. lbs.
1989-90 55-73 in. lbs.
1991-94 GA16DE 55-73 in. lbs.
SR20DE 144-180 in. lbs.
NOTE 1 Loosen all bolts completely.
NOTE 2 Tighten an additional 90.
NOTE 3 Tighten an additional 45.
NOTE 4 Tighten an additional 35-40.
NOTE 5 Tighten an additional 60-65.
Head Bolt Torque Sequence 1982-88
Fig. 1 Cylinder Head Bolt Torque Sequence 1982-88
Head Bolt Torque Sequence 1989-90
Fig. 2 Cylinder Head Bolt Torque Sequence 1989-90
Head Bolt Torque Sequence 1991-94 GA16DE
Fig. 3 Cylinder Head Bolt Torque Sequence 1991-94 GA16DE 1.6L DOHC Engine.
Head Bolt Torque Sequence 1991-94 SR20DE
Fig. 4 Cylinder Head Bolt Torque Sequence 1991-94 SR20DE 2.0L DOHC Engine.
Camshaft Bearing Cap Torque Sequence GA16DE
Fig. 5 Camshaft Bearing Cap Torque Sequence GA16DE 1.6L DOHC Engine.
Camshaft Bearing Cap Loosening Sequence GA16DE
Fig. 6 Camshaft Bearing Cap Loosening Sequence GA16DE 1.6L DOHC Engine.
Camshaft Bearing Cap Torque Sequence SR20DE
Fig. 7 Camshaft Bearing Cap Torque Sequence SR20DE 2.0L DOHC Engine.
Camshaft Bearing Cap Loosening Sequence SR20DE
Fig. 8 Camshaft Bearing Cap Loosening Sequence SR20DE 2.0L DOHC Engine.
Timing Gear Alignment (With Timing Belt)
Fig. 9 Timing Gear Alignment (With Timing Belt)
Timing Belt TensionerTo adjust timing belt tension, use flat blade screw driver. Insert screw diver into slot and turn counter-clockwise, until slack is taken up in the timing belt. Then tighten the center bolt.
Fig. 10 Timing Belt Tensioner.
Timing Gear Alignment 1989-90 (With Timing Chain)
Fig. 11 Timing Gear Alignment 1989-90 (With Timing Chain).
Typical Timing Chain Cover
Fig. 12 Typical Timing Chain Cover.
Timing Chain Alignment GA16DE
Fig. 13 Timing Chain Alignment GA16DE 1.6L DOHC Engine.
Upper Timing Chain Alignment SR20DE
Fig. 14 Upper Timing Chain Alignment SR20DE 2.0L DOHC Engine.
Timing Chain-to-Crankshaft Alignment SR20DE
Fig. 15 Timing Chain-to-Crankshaft Alignment SR20DE 2.0L DOHC Engine.
Timing Chain TensionerThe timing chain tensioner must be fully retracted before installation. It must be installed with the cast-in arrow pointing towards the front of the engine.
Fig. 16 Timing Chain Tensioner.
Oil Pump 1982-88 (With Timing Belt)This oil pump is located under the oil filter.
Fig. 17 Oil Pump 1982-88 (With Timing Belt).
Oil Pump 1989-94 (With Timing Chain)This oil pump is located inside the timing chain cover.
Fig. 18 Oil Pump 1989-94 (With Timing Chain).
Main Bearing Cap Torque Sequence
Fig. 19 Main Bearing Cap Torque Sequence.
SR20DE Oil Pan RemovalAfter removing all the bolts holding the aluminum section of the oil pan to the block, remove the two bolts in the transmission (see picture), then install them into the threaded holes in pan (see picture). Tightening these bolts will separate the pan from the block. When finish, reinstall the bolts to the transmission. 
Fig. 20 SR20DE 2.0L DOHC Engine Oil Pan Removal.
Firing Order 1-3-4-2Firing order 1-3-4-2
Fig. 21 Cylinder Location And Firing Order 1990 And Earlier.
Firing Order 1-3-4-2Firing order 1-3-4-2
Fig. 22 Cylinder Location And Firing Order 1991 And Later.

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