Century, Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, Regal 2001-2005

Torque Specifications

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TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20013.1M---7661-10-18
  3.1J---7661-10-18
  3.4E--39786118-1118
  3.5H-----5181515
  3.81-----R221122
  3.8K------381122
1* Lower manifold, unless otherwise noted
2- Coat threads with sealer torque to 33 ft. lbs., then turn 1/4 turn (90 degrees)
3- 37 ft. lbs. plus 77 degrees
4- 15 ft. lbs. plus 75 degrees
5- Torque all bolts to 15 ft. lbs. Retorque to 24 ft. lbs.
6- 20 ft. lbs. plus 50 degrees
7- 37 ft. lbs. plus 90 degrees
8- 115 inch lbs.
9- Torque the M11 bolts in sequence to:
10TORQUE SPECIFICATIONS FOOTNOTES (CONT.)
11- Cap bolts
12- Step 1: 22 ft. lbs.
13- Step 1: 37 ft. lbs.
14- Step 1: 11 ft. lbs.
15- Step 1: 35 ft. lbs.
16- 30 ft. lbs. plus 110 degrees
17- 20 ft. lbs. plus 50 degrees
18- 110 ft. lbs. plus 76 degrees
19- 11 ft. lbs. plus 50 degrees
20R Upper manifold: 8 ft. lbs.
21- Upper manifold: 18 ft. lbs.
22- Step 1: 44 ft. lbs.
23- Step 1: 52 ft. lbs.
24- Lower intake center:
25- New installation: 15 ft. lbs.
26- Step 1: 37 ft. lbs.
27- Upper manifold: 89 inch lbs.
28- New installation: 20 ft. lbs.
29Step 2: install a NEW bolt and tighten to 37 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20023.1M---7661-101118
  3.1J---7661-101118
  3.4E--39786118-1118
  3.5H-----5181515
  3.81-----R221122
  3.8K------381122
1* Lower manifold, unless otherwise noted
2- Coat threads with sealer torque to 33 ft. lbs., then turn 1/4 turn (90 degrees)
3- 37 ft. lbs. plus 77 degrees
4- 15 ft. lbs. plus 75 degrees
5- Torque all bolts to 15 ft. lbs. Retorque to 24 ft. lbs.
6- 20 ft. lbs. plus 50 degrees
7- 37 ft. lbs. plus 90 degrees
8- 115 inch lbs.
9- Torque the M11 bolts in sequence to:
10TORQUE SPECIFICATIONS FOOTNOTES (CONT.)
11- Cap bolts
12- Step 1: 22 ft. lbs.
13- Step 1: 37 ft. lbs.
14- Step 1: 11 ft. lbs.
15- Step 1: 35 ft. lbs.
16- 30 ft. lbs. plus 110 degrees
17- 20 ft. lbs. plus 50 degrees
18- 110 ft. lbs. plus 76 degrees
19- 11 ft. lbs. plus 50 degrees
20R Upper manifold: 8 ft. lbs.
21- Upper manifold: 18 ft. lbs.
22- Step 1: 44 ft. lbs.
23- Step 1: 52 ft. lbs.
24- Lower intake center:
25- New installation: 15 ft. lbs.
26- Step 1: 37 ft. lbs.
27- Upper manifold: 89 inch lbs.
28- New installation: 20 ft. lbs.
29Step 2: install a NEW bolt and tighten to 37 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20033.1M---7661-101322
  3.1J---7661-101322
  3.4E--39786118-1122
  3.81-----R221122
  3.8K------381122
1* Lower manifold, unless otherwise noted
2- Coat threads with sealer torque to 33 ft. lbs., then turn 1/4 turn (90 degrees)
3- 37 ft. lbs. plus 77 degrees
4- 15 ft. lbs. plus 75 degrees
5- Torque all bolts to 15 ft. lbs. Retorque to 24 ft. lbs.
6- 20 ft. lbs. plus 50 degrees
7- 37 ft. lbs. plus 90 degrees
8- 115 inch lbs.
9- Torque the M11 bolts in sequence to:
10TORQUE SPECIFICATIONS FOOTNOTES (CONT.)
11- Cap bolts
12- Step 1: 22 ft. lbs.
13- Step 1: 37 ft. lbs.
14- Step 1: 11 ft. lbs.
15- Step 1: 35 ft. lbs.
16- 30 ft. lbs. plus 110 degrees
17- 20 ft. lbs. plus 50 degrees
18- 110 ft. lbs. plus 76 degrees
19- 11 ft. lbs. plus 50 degrees
20R Upper manifold: 8 ft. lbs.
21- Upper manifold: 18 ft. lbs.
22- Step 1: 44 ft. lbs.
23- Step 1: 52 ft. lbs.
24- Lower intake center:
25- New installation: 15 ft. lbs.
26- Step 1: 37 ft. lbs.
27- Upper manifold: 89 inch lbs.
28- New installation: 20 ft. lbs.
29Step 2: install a NEW bolt and tighten to 37 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20043.1J---7661-101322
  3.4E--39786118-1118
  3.81-----R221122
  3.82-----R221122
  3.84-----R221122
  3.8K------381122
1* Lower manifold, unless otherwise noted
2- Coat threads with sealer torque to 33 ft. lbs., then turn 1/4 turn (90 degrees)
3- 37 ft. lbs. plus 77 degrees
4- 15 ft. lbs. plus 75 degrees
5- Torque all bolts to 15 ft. lbs. Retorque to 24 ft. lbs.
6- 20 ft. lbs. plus 50 degrees
7- 37 ft. lbs. plus 90 degrees
8- 115 inch lbs.
9- Torque the M11 bolts in sequence to:
10TORQUE SPECIFICATIONS FOOTNOTES (CONT.)
11- Cap bolts
12- Step 1: 22 ft. lbs.
13- Step 1: 37 ft. lbs.
14- Step 1: 11 ft. lbs.
15- Step 1: 35 ft. lbs.
16- 30 ft. lbs. plus 110 degrees
17- 20 ft. lbs. plus 50 degrees
18- 110 ft. lbs. plus 76 degrees
19- 11 ft. lbs. plus 50 degrees
20R Upper manifold: 8 ft. lbs.
21- Upper manifold: 18 ft. lbs.
22- Step 1: 44 ft. lbs.
23- Step 1: 52 ft. lbs.
24- Lower intake center:
25- New installation: 15 ft. lbs.
26- Step 1: 37 ft. lbs.
27- Upper manifold: 89 inch lbs.
28- New installation: 20 ft. lbs.
29Step 2: install a NEW bolt and tighten to 37 ft. lbs.
TORQUE SPECIFICATIONS
All readings in ft. lbs.
YearEngine Displacement LitersEngine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
20053.1J----52-12-22
  3.4E----52-12-18
  3.81X-----22-22
  3.82X-----221122
  3.84-----R221122
  3.8KX-----38-22
  5.3Cab-cdef1118
1* Lower manifold, unless otherwise noted
2- Coat threads with sealer torque to 33 ft. lbs., then turn 1/4 turn (90 degrees)
3- 37 ft. lbs. plus 77 degrees
4- 15 ft. lbs. plus 75 degrees
5- Torque all bolts to 15 ft. lbs. Retorque to 24 ft. lbs.
6- 20 ft. lbs. plus 50 degrees
7- 37 ft. lbs. plus 90 degrees
8- 115 inch lbs.
9- Torque the M11 bolts in sequence to:
10TORQUE SPECIFICATIONS FOOTNOTES (CONT.)
11- Cap bolts
12- Step 1: 22 ft. lbs.
13- Step 1: 37 ft. lbs.
14- Step 1: 11 ft. lbs.
15- Step 1: 35 ft. lbs.
16- 30 ft. lbs. plus 110 degrees
17- 20 ft. lbs. plus 50 degrees
18- 110 ft. lbs. plus 76 degrees
19- 11 ft. lbs. plus 50 degrees
20R Upper manifold: 8 ft. lbs.
21- Upper manifold: 18 ft. lbs.
22- Step 1: 44 ft. lbs.
23- Step 1: 52 ft. lbs.
24- Lower intake center:
25- New installation: 15 ft. lbs.
26- Step 1: 37 ft. lbs.
27- Upper manifold: 89 inch lbs.
28- New installation: 20 ft. lbs.
29Step 2: install a NEW bolt and tighten to 37 ft. lbs.
TORQUE SPECIFICATIONS
all readings in ft. lbs.
YearEngine Displacement Liters (cc)Engine ID/VINCylinder Head BoltsMain Bearing BoltsRod Brearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsLug Nuts
                IntakeExhaust    
2001-023.1 (3130)M---7661-10-100
  3.1 (3130)J---7661-10-100
  3.4 (3393)X--39786118-11100
  3.5 (3475)H---R-51815100
  3.8 (3785)1------2211100
  3.8 (3785)K------3811100
1A Coat threads with sealer torque to 33 ft. lbs., then turn 1/4 turn (90 degrees)
2B 37 ft. lbs. plus 77 degrees
3C 15 ft. lbs. plus 75 degrees
4D Torque all bolts to 15 ft. lbs. Retorque to 24 ft. lbs.
5E New cylinder head:
6F 37 ft. lbs. plus 90 degrees
7G 115 inch lbs.
8H Step 1: 35 ft. lbs.
9I 30 ft. lbs. plus 110 degrees
10J 110 ft. lbs. plus 76 degrees
11K 11 ft. lbs. plus 50 degrees
12L Upper manifold: 18 ft. lbs.
13M Upper manifold: 8 ft. lbs.
14N 20 ft. lbs. plus 50 degrees
15O Step 1: 22 ft. lbs.
16P Cap bolts
17Q Step 1: 22 ft. lbs.
18R Step 1: 37 ft. lbs.
19S Step 1: 11 ft. lbs.
20T 20 ft. lbs. plus 50 degrees
TORQUE SPECIFICATIONS
all readings in ft. lbs.
YearEngine VINEngine Displacement LitersCylinder Head BoltsMain Bearing BoltsRod Bearing BoltsCrankshaft Damper BoltsFlywheel BoltsManifoldSpark PlugsOil Pan Drain Plug
                IntakeExhaust    
2005E3.4----52-12-18
  13.8------22-22
  23.8------221122
  43.8------221122
  K3.8------38-22
  C5.3---R---1118
1- Step 1: 44 ft. lbs.
2- 37 ft. lbs. plus 77 degrees
3- 15 ft. lbs. plus 75 degrees
4- Step 1: 52 ft. lbs.
5- Lower intake center:
6- New installation: 15 ft. lbs.
7- New installation: 20 ft. lbs.
8- 30 ft. lbs. plus 110 degrees
9- 20 ft. lbs. plus 50 degrees
10- 110 ft. lbs. plus 76 degrees
11- 11 ft. lbs. plus 50 degrees
12
13- Upper manifold: 89 inch lbs.
14- Upper manifold: 8 ft. lbs.
15- Upper manifold: 18 ft. lbs.
16- Step 1: 35 ft. lbs.
17- M11 bolts
18- M10 bolts
19R Step 1: install the old bolt and tighten to 240 ft. lbs.
20
21- Step 1: 15 ft. lbs.
22- Step 1: 44 inch lbs.
23- Step 1: 11 ft. lbs.
24- Step 1: Use the old bolt to ensure the damper is installed
25- A/T: 52 ft. lbs.
26X Lower intake manifold center bolt:
 
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