3800 Bolt Size and Torque Spec Thread

[bluegtp91]

Per:  TheOtherNick

 

dog bone=15mm

fender brace=13mm

supercharger=10mm, one 13mm

tb=10mm, 2 8mm on the support bracket for n/a cars

egr=13mm

egr tube bolts=3/2"

valve cover=3/8

alt bolts and nut= 15mm

map bolts=10mm

water pump pulley=8mm

front cover and water pump 10mm and 13mm

crank bolt=15/16

rear cover=3/8

oil pan 3/8

head bolt= 5/8IIRC

head stud nut= 1/2" 12 or 6 point

x over nuts= 13mm

starter bolt=15mm

starter batter pos nut=13mm 14mm on some after market

starter relay wire=10mm

p/s pump=13mm

tensioner pulley=15mm or t55 torx

icm bracket=15mm

cam bolt= 1 1/16" or 24mm IIRC

torque converter bolts=18mm

transmission bell-housing bolts=18mm

rear engine to trans bracket bolts=13mm

axle nut 32-36mm depending on year and axle manufacturer

strut to knuckle bolts=21mm

ball joint nut=18mm 19mm on some aftermarket

strut top nuts 15mm

front sway bar bushing clamp bolts=15mm links 13mm-15mm depending on manufacturer

rear sway bar link nuts=18mm, 15mm on back to hold the ball

manifold bolts 13mm

02 sensor= 7/8"

icm harness bolt=7mm

Lim bolts=3/8"

front hub bolts=1/2"

rear hub bolts=10mm

blower motor/blower resistor 7/32"

small dash bolts=7mm larger ones 13-18mm

Seat bolts=T60 torx IIRC

headlight mounting bracket bolts=10mm(2)

A/C compressor front nuts 100 N.m (74 lb ft)

A/C compressor rear bolts 31 N.m (23 lb ft)

Camshaft Sprocket Bolt First Pass 74 lb. ft. Final Pass + 90*

Connecting Rod Cap Bolt 20 ft.lb +50*

crankshaft balancer bolt 150 Nm (111 ft. lbs.) + 76*

Crankshaft Main Bearing Cap Bolt 30 ft. lbs. \ +110*

Crankshaft Main Bearing Cap Bolt (Side) 11 ft. lbs. +45*

Comp Cams rocker bolts 23 lb ft.

EGR Valve37 lb. ft.

(EGR) inlet/outlet pipe bolt (21 ft. lbs.)

Exhaust Manifold Bolt/Nut 22 lb. ft.

exhaust manifold pipe stud nuts 32 Nm (24 ft. lbs.)

exhaust crossover pipe bolts and studs 18 Nm (13 ft. lbs.)

Flywheel Bolts11 lb. ft. +50*

front head First pass 37 lb. ft. Second pass +120* Final pass +30*(only 96-01 cars inner 4 bolts) When using head studs work your way up to 90ftlbs using the same picture, I did three passes on mine. 30-60-90

knock sensor 19 N.m (14 lb ft)

LIM 11 lb. ft. Start in the center and work your way out.

oil pan bolts 14 Nm (125 inch lbs.)

Oil Pump Pipe and Screen Bolt 11 ft.lb

oil level sensor 20 Nm (15 ft. lbs.)

Power steering pump bolts 25 ft. lbs

Tighten the valve rocker arm bolt \ 15 Nm (11 ft. lbs.) +90*

supercharger 17 lb. ft. Start in the center and work your way out.

supercharger snout 15 lb.ft. Start in the center and work your way out.

Throttle Body Bolt/Nut 89 lb. in. (7.5 lb. ft.)

Upper plenum 89in.lb. (7.5 lb. ft.)

Water Pump Bolt (Long) 25 ft.lb

Water Pump Bolt (Short) 16 ft.lb

Water Pump Bolt (SAL) 89 in.lb (7.5 lb. ft.)

Water Pump Pulley Bolt (3.8L) 115 in.lb (9.5 lb. ft.)