LS1 FAQs

 

Automatic Transmission A4

Clutch Installation Instructions

Disk Brakes

Brake Bleeding Procedure

Draining & Filling Cooling System V8

DTC Codes

Engine Specifications LS1 1998 model

Engine Mechanical 5.7L

Engine Compression Test

Engine Cylinder Leakage Test

Engine Leak-Down Test

Fluid Capacities

Fluid and Lubricants

Front Suspension

Horse Power & Torque

Ignition Coil Wiring Colors

MAFT Settings

Maintenance Schedule Short Trip/City

Maintenance Schedule Long Trip/Highway

Manual Transmission MM6

Rear Suspension

Strange 12 Bolt Break-in Procedure

Rear Drive Axle

 

1997 PCM Pin Assignments - Corvette

1998 PCM Pin Assignments

1999 PCM Pin Assignments

2000 PCM Pin Assignments

2000 PCM Pin Assignments - Corvette

2001 PCM Pin Assignments

2002 PCM Pin Assignments

 

1998 BCM Pin Assignments

1999 BCM Pin Assignments

2000 BCM Pin Assignments

2001 BCM Pin Assignments

 

 

PCM Idle Re-learn

 

 

Specification

Application

Metric N-m

English lb ft

LB In

Accelerator Control Cable Bracket Bolts

10

 

89

AC Compressor Bolts

50

37

 

AC Compressor bracket bolts

50

37

 

AC Idler Pulley Bolt

50

37

 

AC Tensioner Bolt

25

18

 

AIR Pipe to Exhaust Manifold Bolt

20

15

 

Camshaft Retainer Bolts

25

18

 

Camshaft Sensor bolt

25

18

 

Camshaft Sprocket Bolts

35

26

 

Catalytic Converter Nut

25

18

 

Compression Test

 

 

 

Connecting Rod Bolts First Pass

20

15

 

Connecting Rod Bolts Final Pass

 

60 degrees

 

Coolant Temperature Gauge Sensor

20

15

 

Crankshaft Balancer Bolt (First Pass use old bolt)

 

Using a longer bolt to start is easier

www.mcmaster.com 91310A868 - Class 10.9 $8.41
Black-Oxide Stl Hex Head Cap
Screw M16 Size, 120mm Length,
2mm Pitch, Packs of 5

330

240

 

Crankshaft Balancer Bolt (Second Pass use NEW bolt)

50

37

 

Crankshaft Balancer Bolt (Final Pass)

 

140 degrees

 

Crankshaft Bearing Cap Bolts (Inner bolts (1-10) First Pass in sequence)

 

Sequence:

29 25 21 23 27 Side

19 15 11 13 17 Outer

09 05 01 03 07 Inner

Front

10 06 02 04 08 Inner

20 16 12 14 18 Outer

30 26 22 24 28 Side

 

20

15

 

Crankshaft Bearing Cap Bolts (Inner bolts (1-10) Final Pass in sequence See Crankshaft Bearing Cap Bolts for Sequence.

 

80 degrees

 

Crankshaft Bearing Cap Studs (Outer studs (11-20) First Pass in Sequence) See Crankshaft Bearing Cap Bolts for Sequence.

20

15

 

Crankshaft Bearing Cap Studs (Outer studs (11-20) Final Pass in Sequence)

 

53 degrees

 

Crankshaft Bearing Cap Side Bolts (21-30) See Crankshaft Bearing Cap Bolts for Sequence.

25

18

 

Crankshaft Oil Deflector Nuts

25

18

 

Crankshaft Position Sensor Bolt

25

18

 

Cylinder Head Bolts (First Pass all M11 bolts in sequence)

30

22

 

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 medium length M11 bolts at the front and rear of each cylinder head)

 

50 degrees

 

Cylinder Head Bolts (M8 Inner Bolts in sequence)

30

22

 

Cylinder Head Coolant Plug

20

15

 

Cylinder Head Core Hole Plug

20

15

 

Drive Belt Idler Pulley Bolt

50

37

 

Drive Belt Tensioner Bolts

50

37

 

Engine Block Coolant Drain Plugs

60

44

 

Engine Block Heater

40

30

 

Engine Block Oil Gallery Plugs

60

44

 

Engine Crossmember Bolts Large

145

107

 

Engine Crossmember Bolts Small

125

92

 

Engine Flywheel Bolts First Pass

Sequence:

....1..4

..6......2

....3..5

 

 

Clutch Pressure Plate Bolts Three passes.

Sequence:

....1..4

..6......2

....3..5

 

20

 

 

 

 

 

 

27,55,70

 

15

 

 

 

 

 

 

20, 40, 52

 

Engine Flywheel Bolts Second Pass

50

37

 

Engine Flywheel Bolts Final Pass

100

74

 

Engine Flywheel to Torque Converter Bolt

60

44

 

Engine Front Cover Bolts

25

18

 

Engine Mount Heat Shield Nuts

10

 

89

Engine Mount Stud-to-engine Block

50

37

 

Engine Mount Through Bolts

95

70

 

Engine Mount Through Bolt Nuts

80

59

 

Engine Mount to Engine Block Bolts

50

37

 

Engine Rear Cover Bolts

25

18

 

Engine Service Lift Bracket M10 Bolts

50

37

 

Engine Service Lift Bracket M8 Bolt

25

18

 

Engine Valley Cover Bolts

25

18

 

EGR Valve Bolts First Pass

10

 

89

EGR Valve Bolts Final Pass

30

22

 

EGR valve Pipe to cylinder head Bolts

50

37

 

EGR valve Pipe to Exhaust manifold Bolts

30

22

 

EGR valve Pipe to Intake manifold bolt

10

 

89

Exhaust Manifold Bolts (First Pass) Sequence: 6 - 3 - 1 - 2 - 4 - 5

15

11

 

Exhaust Manifold Bolts (Final Pass)

25

18

 

Exhaust Pipe Manifold nuts

35

26

 

Front Shock to Engine Crossmember bolt

65

48

 

Fuel Injection Fuel rail bolts

10

 

89

Generator Bracket Bolts

50

37

 

Generator rear bracket to engine block bolt

25

18

 

Generator rear bracket to Generator Bolt

25

18

 

Ground Strap Bolt (Rear of cylinder head)

50

37

 

Ignition Coil Bolts

12

 

106

Ignition Coil Wire Harness Connector Bolts

12

 

106

Intake Manifold Bolts (First Pass in sequence)

5

 

44

Intake Manifold Bolts (Final Pass in sequence)

10

 

89

Knock Sensors

20

15

 

Oil Filter

30

22

 

Oil Filter Fitting

55

40

 

Oil Level Indicator Tube Bolt

25

18

 

Oil Level Sensor

13

 

115

Oil Pan Baffle Bolts

12

 

106

Oil Pan Close out Bolt left side

12

 

106

Oil Pan Close out Bolt right side

12

 

106

Oil Pan Drain Plug

25

18

 

Oil Pan M8 Bolts Oil (pan to engine block and oil pan to front cover)

25

18

 

Oil Pan M6 Bolts (Oil pan to rear cover)

12

 

106

Oil Pressure Sensor

20

15

 

Oil Pressure Readings per GM

 

6 PSIG @ 1000 RPM

18 PSIG @ 2000 RPM

24 PSIG @ 4000 RPM

 

PSI on the gauge is 14.7 PSI (Sea level air pressure) + PSIG

 

Oil Pump to engine block bolts

25

18

 

Oil Pump cover bolts

12

 

106

Oil Pump Relief Valve Plug

12

 

106

Oil Pump Screen nuts

25

18

 

Oil Pump screen-to-oil pump bolt

12

 

106

Oil Transfer Cover bolts

12

 

106

O2 Sensor

42

31

 

PCV System Strap (at right front vapor vent pipe stud)

12

 

106

Power Steering Pump Bolts

25

18

 

Power Steering Pump Brace Bolts

25

18

 

Power Steering Pump Bracket Bolts

50

37

 

Spark Plugs (Cylinder Head New)

20

15

 

Spark Plugs (All subsequent installations)

15

11

 

Starter Motor Bolts

50

37

 

Throttle Body Bolts

12

 

106

Transmission Bell housing Bolt

47

35

 

Valve Lifter Guide Bolts

12

 

106

Valve Rocker Arm Bolts

30

22

 

Valve Rocker Arm Cover Bolts

12

 

106

Vapor Vent Pipe Bolts

12

 

106

Water Inlet Housing Bolts

15

11

 

Water Pump Bolts (First Pass)

15

11

 

Water Pump Bolts (Final Pass)

30

22

 

Water Pump Cover Bolts

15

11

 

Water Pump Pulley Bolts (First Pass)

10

 

89

Water Pump Pulley Bolts (Final Pass)

25

18

 

 

 

 

Information supplied by Eboggs_jkvl per 1998 Helms Manual Volume 3, 6-229-6-231

Monday, November 20, 2006