GM Service Manual Online
For 1990-2009 cars only
Table 1: Valve Guide Reaming Table

Application

Specification

Metric

English

Camshaft

  • Bearing Journal OD

42.455-43.470 mm

1.6714-1.7114 in

  • Camshaft Cap to Bearing Journal Clearance

0.04-0.144 mm

0.0015-0.0056 in

  • Lift - Exhaust

9.2 mm

0.36 in

  • Lift - Intake

9.2 mm

0.36 in

Connecting Rod Journal

  • Diameter - All

48.981-48.987 mm

1.9283-1.9286 in

  • Out of Round - Maximum

0.004 mm

0.00015 in

  • Rod Bearing Clearance

0.013-0.041 mm

0.0005-0.0016 in

  • Rod Bearing Play

0.006-0.031 mm

0.00023-0.00122 in

Crankshaft

  • End Play

0.070-0.302 mm

0.0027-0.0118 in

  • Main Bearing Clearance - All

0.015-0.040 mm

0.00059-0.00157 in

  • Main Journal Diameter - All

57.974-57.995 mm

2.2788-2.2832 in

  • Radial Runout - Shaft Support on No. 1 and No. 5 Bearings Measured at No. 3 Journal

0.03 mm

0.00118 in

  • Service Oversize, Available in 2 Sizes

0.25 and 0.5 mm

0.00098 and 0.019 in

Cylinder Bore

  • Block Face Distortion

0.01 mm Max

0.00039 in

  • Cylinder Bore Taper - Maximum

0.013 mm

0.0005 in

  • Diameter

85.975-86.025 mm

3.384-3.386 in

  • Out of Round - Maximum

0.013 mm

0.0005 in

  • Oversize - Measure Replacement Piston before Re-boring

Available in 0.50 mm to Suit Bore

0/019 in

  • Service Replacement Standard Bore

4 Piston, Pin, and Ring Assemblies Available

Cylinder Head

  • Maximum Valve Stem Protrusion

39.2 mm

1.544 in

  • Minimum Overall Height After Machining

133.9 mm

5.271 in

  • Overall Height

133.975 - 134.025 mm

5.2746 - 6.2766 in

  • Valve Guide Height

13.7-14.0 mm

0.53-0.55 in

General Data

Bore

86 mm

3.4 in

  • Bore Stroke

86 X 86 mm

3.38 in X 3.38 in

  • Compression Ratio

9.6:1

  • Displacement

1 998 cm³

121 in³

  • Engine Type

4 Cylinder-In-Line

  • Firing Order

1-3-4-2

  • Lubricating Type

Forced Feed

  • Maximum Power - at 5,400 RPM

95 kW

127.4 hp

  • Maximum Torque - at 4,200 RPM

180 N·m

132.8 lb ft

  • Oil Filter Type

Cartridge - Full Flow

  • Oil Pan Capacity - with Oil Filter

4.0 liter

4.2 quarts

  • Oil Pump Type

Duocentric

Piston

  • Clearance to Bore

0.010-0.030 mm

0.00039-0.0011 in

  • Diameter

85.955-86.485 mm

3.384-3.404 in

  • Maximum Piston Protrusion

0.5 mm

0.019 in

  • Piston Taper

0.013 mm

0.0005 in

Piston Pin

  • Clearance - In Piston

0.0035-0.0140 mm

0.00013-0.00055 in

  • Clearance - In Rod

Interference Fit in Rod

  • Diameter

20.9970-20.9985 mm

0.82665-0.82671 in

  • Length

61.5 mm

2.42 in

  • Pin Offset - Toward Thrust Side

1.0 mm

0.04 in

Oil Pump

  • End Clearance

0.03-0.10 mm

0.001-0.003 in

  • Gear Lash

0.10-0.20 mm

0.003-0.007 in

  • Inner Gear to Crescent

0.35-0.40 mm

0.013-0.015 in

  • Outer Gear to Body

0.11-0.19 mm

0.004-0.007 in

  • Outer Gear to Crescent

0.40-0.50 mm

0.015-0.01 in

Piston Rings

  • Oil

0.25-0.76 mm

0.01-0.03 in

  • Ring, End Gap, Second Compression

0.3-0.5 mm

0.011-0.019 in

  • Ring, End Gap, Top Compression

0.2-0.35 mm

0.008-0.014 in

Sealants and Adhesives

  • Camshaft Carrier-to-Cylinder Head

HN 1581 (LOCTITE® 515)

  • Coolant Jacket Caps and Plugs - Freeze Plugs

HN 1756 (LOCTITE® 176)

  • Exhaust Manifold Studs/Nuts

Anti-seize Compound (HMC Spec HN 1325)

  • Oil Gallery Plug

HN 1256 (LOCTITE® 242)

  • Oil Pan Bolts

HN 1256 (LOCTITE® 242)

  • Oil Pan Pickup Tube Bolts

HN 1256 (LOCTITE® 242)

  • Oil Pump Bolts

HN 1256 (LOCTITE® 242)

  • Rear Main Bearing Cap

GE p/n RTV 159

Valve System

  • Face Runout - Maximum, All

0.03 mm

0.001 in

  • Seat Runout - Maximum, All

0.03 mm

0.001 in

  • Valve Diameter Intake

31.9-32.1 mm

1.2559-1.2637 in

  • Valve Diameter Intake - Exhaust

28.9-29.1 mm

1.1378-1.1456 in

  • Valve Guide Inside Diameter

6.000-6.012 mm

0.236-0.237 in

  • Valve Lash Compensators

Hydraulic

  • Valve Face Angle

44 degrees

  • Valve Stem Diameter Intake

5.945-5.960 mm

0.234-0.235 in

  • Valve Stem Diameter Intake - Exhaust

5.945-5.960 mm

0.234-0.235 in

  • Valve Seat Angle

45 degrees

  • Valve Seat Width Intake

1.0-1.5 mm

0.039-0.059 in

  • Valve Seat Width Intake - Exhaust

1.7-2.2 mm

0.066-0.086 in

Valve Guide Reaming Table

Size

Reamer

Production Code

Service Code

Normal

--

--

K

1.9 mm (0.75 in)

KM-805

1

K1

--

--

2

K2