Torque specs for LS1 motors

[konigandy6]

Thought I'd be helpful

Fastener Tightening Specifications Application
Specification

Metric / English

A/C Belt Tensioner Bolt
25 Nm 18 lb ft

A/C Compressor and Condenser Hose Bolt (at Accumulator)
16 Nm 12 lb ft

A/C Compressor and Condenser Hose Bolt (at Compressor)
33 Nm 24 lb ft

A/C Compressor Bolts
50 Nm 37 lb ft

A/C Compressor Bracket Bolts
50 Nm 37 lb ft

Accelerator Control Cable Bracket Nut
10 Nm 89 lb in

Air Conditioning (A/C) Belt Idler Pulley Bolt
50 Nm 37 lb ft

Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts
20 Nm 15 lb ft

Battery Positive Cable Nut (at Generator Output Stud)
22 Nm 16 lb ft

Brake Pipe Fitting
15 Nm 11 lb ft

Camshaft Position (CMP) Sensor Bolt
25 Nm 18 lb ft

Camshaft Retainer Bolt
25 Nm 18 lb ft

Camshaft Sprocket Bolt
35 Nm 26 lb ft

Catalytic Converter Nut
25 Nm 18 lb ft

Clutch Pressure Plate Bolt (In Sequence and Evenly Over 3 Increments)
70 Nm 52 lb ft

Connecting Rod Bolts – First Pass
20 Nm 15 lb ft

Connecting Rod Bolts – Final Pass
85 degrees

Coolant Temperature Gauge Sensor
20 Nm 15 lb ft

Crankshaft Balancer Bolt – Installation Pass-to Ensure the Balancer is Completely Installed
330 Nm 240 lb ft

Crankshaft Balancer Bolt – First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes
50 Nm 37 lb ft

Crankshaft Balancer Bolt – Final Pass
140 degrees

Crankshaft Bearing Cap Bolts – Inner Bolts – First Pass in Sequence
20 Nm 15 lb ft

Crankshaft Bearing Cap Bolts – Inner Bolts – Final Pass in Sequence
80 degrees

Crankshaft Bearing Cap Side Bolts
25 Nm 18 lb ft

Crankshaft Bearing Cap Studs – Outer Studs – First Pass in Sequence
20 Nm 15 lb ft

Crankshaft Bearing Cap Studs – Outer Studs – Final Pass in Sequence
51 degrees

Crankshaft Oil Deflector Nuts
25 Nm 18 lb ft

Crankshaft Position (CKP) Sensor Bolt
25 Nm 18 lb ft

Crossmember Bolt (Lower)
145 Nm 107 lb ft

Crossmember Bolt (Upper)
125 Nm 92 lb ft

Cylinder Head Bolts (First Pass all M11 Bolts in Sequence)
30 Nm 22 lb ft

Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence)
90 degrees

Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head)
90 degrees

Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence)
50 degrees

Cylinder Head Bolts (M8 Inner Bolts in Sequence)
30 Nm 22 lb ft

Cylinder Head Coolant Plug
20 Nm 15 lb ft

Drive Belt Idler Pulley Bolt
50 Nm 37 lb ft

Drive Belt Tensioner Bolt
50 Nm 37 lb ft

End Link Nut
23 Nm 17 lb ft

Engine Block Coolant Drain Plugs
60 Nm 44 lb ft

Engine Block Heater
40 Nm 30 lb ft

Engine Block Oil Gallery Plugs
60 Nm 44 lb ft

Engine Coolant Air Bleed Pipe Bolts and Studs
12 Nm 106 lb in

Engine Flywheel Bolt (First Pass)
20 Nm 15 lb ft

Engine Flywheel Bolt (Second Pass)
50 Nm 37 lb ft

Engine Flywheel Bolt (Final Pass)
100 Nm 74 lb ft

Engine Front Cover Bolts
25 Nm 18 lb ft

Engine mount Bolt
50 Nm 37 lb ft

Engine Mount Bracket Bolt
58 Nm 43 lb ft

Engine Mount Heat Shield Nut
10 Nm 89 lb in

Engine mount Stud
50 Nm 37 lb ft

Engine Mount Through Bolt
95 Nm 70 lb ft

Engine Mount Through Bolt Nut
10 Nm 89 lb in

Engine Oil Filter
30 Nm 22 lb ft

Engine Rear Cover Bolts
30 Nm 22 lb ft

Engine Service Lift Bracket M10 Bolts
50 Nm 37 lb ft

Engine Service Lift Bracket M8 Bolt
25 Nm 18 lb ft

Engine Valley Cover Bolt
25 Nm 18 lb ft

Engine Wire Harness Clip Bolt
50 Nm 37 lb ft

Engine Wire Harness Clip Bolt (at Automatic Transmission)
2.5 Nm 22 lb in

Engine Wire Harness Ground Bolt
50 Nm 37 lb ft

Engine Wire Harness Ground Bolt (at Frame Rail)
12 Nm 106 lb in

Engine Wire Harness Ground Bolt (Left Side of Engine block)
30 Nm 22 lb ft

Exhaust Manifold Bolts – First Pass
15 Nm 11 lb ft

Exhaust Manifold Bolts – Final Pass
20 Nm 15 lb ft

Exhaust Manifold Heat Shield Bolts
9 Nm 80 lb in

Exhaust Manifold Pipe Nut
35 Nm 26 lb ft

Front Fuel Pipe Heat Shield Nut
5 Nm 44 lb in

Fuel Injection Fuel Rail Bolts
10 Nm 89 lb in

Fuseblock Stud Nut
14 Nm 10 lb ft

Generator Bolt
50 Nm 37 lb ft

Generator Rear Bracket Bolt
25 Nm 18 lb ft

Ground Terminal Bolt
6 Nm 53 lb in

Ignition Coil Bolt
12 Nm 106 lb in

Ignition Coil-to-Bracket Bolts
12 Nm 106 lb in

Ignition Coil Bracket-to-Valve Rocker Arm Cover Studs
12 Nm 106 lb in

Intake Manifold Bolts (First Pass in Sequence)
5 Nm 44 lb in

Intake Manifold Bolts (Final Pass in Sequence)
10 Nm 89 lb in

Intermediate Steering Shaft Bolt
47 Nm 35 lb ft

Knock Sensors
20 Nm 15 lb ft

Negative Battery Cable Lead Bolt
32 Nm 24 lb ft

Oil Filter
30 Nm 22 lb ft

Oil Filter Fitting
55 Nm 40 lb ft

Oil Level Indicator Tube Bolt
25 Nm 18 lb ft

Oil Level Sensor
13 Nm 115 lb in

Oil Pan Baffle Bolts
12 Nm 106 lb in

Oil Pan Bolt (M8)
25 Nm 18 lb ft

Oil Pan Closeout Cover Bolt – Left Side
12 Nm 106 lb in

Oil Pan Closeout Cover Bolt – Right Side
12 Nm 106 lb in

Oil Pan Cover Bolts
12 Nm 106 lb in

Oil Pan Drain Plug
25 Nm 18 lb ft

Oil Pan M8 Bolts – Oil Pan-to-Engine Block and Oil Pan-to-Front Cover
25 Nm 18 lb ft

Oil Pan M6 Bolts – Oil Pan-to-Rear Cover
12 Nm 106 lb in

Oil Pressure Sensor
20 Nm 15 lb ft

Oil Pump-to-Engine Block Bolts
25 Nm 18 lb ft

Oil Pump Cover Bolts
12 Nm 106 lb in

Oil Pump Relief Valve Plug
12 Nm 106 lb in

Oil Pump Screen-to-Oil Pump Bolt
12 Nm 106 lb in

Oil Pump Screen Nut
25 Nm 18 lb ft

Oxygen Sensor
42 Nm 31 lb ft

Positive Battery Cable Fitting
15 Nm 11 lb ft

Positive Crankcase Ventilation (PCV) System Strap Nut – at Right Front Engine Coolant Air Bleed Pipe Stud
12 Nm 106 lb in

Powertrain Control Module (PCM) Connector Bolt
8 Nm 71 lb in

Power steering Gear Bolt
85 Nm 63 lb ft

Power Steering Pump Bracket Bolt
50 Nm 37 lb ft

Secondary Air Injection (AIR) Pipe Bolt
20 Nm 15 lb ft

Secondary Air Injection (AIR) Switch Valve Bracket Bolt
20 Nm 15 lb ft

Secondary Air Injection (AIR) Switch Valve Bracket Nut
12 Nm 106 lb in

Shock Absorber Bolt
65 Nm 48 lb ft

Spark Plug (All Subsequent Installations)
15 Nm 11 lb ft

Spark Plug (New Cylinder head)
20 Nm 15 lb ft

Stabilizer Bar Bracket Bolt/Stud
55 Nm 41 lb ft

Throttle Body Bolts
12 Nm 106 lb in

Torque Converter Bolt
63 Nm 47 lb ft

Transmission Bolt (Automatic Transmission)
95 Nm 70 lb ft

Transmission Bolt (Manual Transmission)
50 Nm 37 lb ft

Transmission Cover Bolt
12 Nm 106 lb in

Transmission Fill Tube Bolt
50 Nm 37 lb ft

Transmission Oil Cooler Line Fitting
27 Nm 20 lb ft

Transmission Support Bolt
57 Nm 42 lb ft

Upper Control Arm Nut
53 Nm 39 lb ft

Valve Lifter Guide Bolt
12 Nm 106 lb in

Valve Rocker Arm Bolt
30 Nm 22 lb ft

Valve Rocker Arm Cover Bolt
12 Nm 106 lb in

Water Inlet Housing Bolts
15 Nm 11 lb ft

Water pump Bolts – First Pass
15 Nm 11 lb ft

Water Pump Bolts – Final Pass
30 Nm 22 lb ft

Water Pump Cover Bolts
15 Nm 11 lb ft

For OEM applications and all these figures are per GM.

[hoogiesngrinderz]

Good info!

This has always been my goto for torque specs: http://ls1howto.com/index.php?category=1

[Gregs_gsxr]

yuuuup thats helpful alright! sticky this in a tech section

[konigandy6]

Good info!

This has always been my goto for torque specs: http://ls1howto.com/index.php?category=1

Always a good source! This info came right from GM's service info. So it's always a go to for OEM specs.

[1BADAIR]

torquing the oil filter on some cars SUCKS

[Gregs_gsxr]

torquing the oil filter on some cars SUCKS

is hand tight good enough? never understood why they need an impact to get some of these filters off lol hand tight then a 1/8th of turn after that...done!

[1BADAIR]

Factory filters suck to get off. Everything is put on dry. Mopar factory ones usually say factory installed on them for warranty reason.

[SOPES]

Always a good source! This info came right from GM's service info. So it's always a go to for OEM specs.

You beat me to it earlier lol. I was about to do the same thing

[meissen]

Stuck-ed! Thanks for posting.