Chevrolet Equinox manuals

Chevrolet Equinox Service Manual: Engine Mechanical Specifications (LAF, LEA, or LUK)

Chevrolet Equinox Service Manual / Powertrain / Engine / Engine Mechanical Specifications (LAF, LEA, or LUK)

Engine Mechanical Specifications

Application

Specification

Metric

English

General Data

Engine Type

Inline 4 Cylinder

Displacement

2.4-L

146-CID

RPO

LAF

LEA

LUK

Liter (VIN)

Passenger Car: C

Truck: W

Bore

87.992–88.008-mm

3.4642–3.4649-in

Stroke

98-mm

3.861-in

Compression Ratio

11.16:1

Spark Plug Gap

0.75–0.90-mm

0.030–0.035-in

Balance Shaft

Bearing Clearance

0.030–0.060-mm

0.0012–0.0024-in

Bearing Diameter – Inside – Carrier

20.050–20.063-mm

0.7894–0.7899-in

Bearing Diameter – Outside – Carrier

41.975–41.995-mm

1.6526–1.6534-in

Bearing Journal Diameter

20.000–20.020-mm

0.7874–0.7882-in

Bushing Clearance

0.033–0.102-mm

0.0013–0.0040-in

Bushing Diameter – Inside

36.776–36.825-mm

1.4479–1.4498-in

Bushing Journal Diameter

36.723–36.743-mm

1.4458–1.4466-in

End Play

0.050–0.300-mm

0.0020–0.0118-in

Block

Balance Shaft Bearing Bore Diameter – Carrier

42.000–42.016-mm

1.6535–1.6542-in

Balance Shaft Bushing Bore Diameter

40.763–40.776-mm

1.6048–1.6054-in

Crankshaft Main Bearing Bore Diameter

64.068–64.082-mm

2.5224–2.5229-in

Cylinder Bore Diameter

87.992–88.008-mm

3.4642–3.4649-in

Cylinder Bore Out-of-Round – Maximum

0.010-mm

0.0004-in

Cylinder Bore Taper – Maximum

0.010-mm

0.0004-in

Cylinder Head Deck Surface Flatness – Longitude

0.050-mm

0.002-in

Cylinder Head Deck Surface Flatness – Overall

0.08-mm

0.0031-in

Cylinder Head Deck Surface Flatness – Transverse

0.030-mm

0.0012-in

Camshaft

Camshaft End Play

0.040–0.144-mm

0.0016–0.0057-in

Camshaft Journal Diameter

26.935–26.960-mm

1.0604–1.0614-in

Camshaft Thrust Surface

21.000–21.052-mm

0.8268–0.8252-in

Connecting Rod

Connecting Rod Bearing Clearance

0.029–0.073-mm

0.0011–0.0029-in

Connecting Rod Bore Diameter – Bearing End

52.118–52.134-mm

2.0519–2.05252-in

Connecting Rod Bore Diameter – Pin End

20.007–20.017-mm

0.7877–0.7881-in

Connecting Rod Side Clearance

0.070–0.370-mm

0.0028–0.0146-in

Connecting Rod Straightness – Bend – Maximum

0.021-mm

0.0083-in

Connecting Rod Straightness – Twist – Maximum

0.04-mm

0.0157-in

Crankshaft

Connecting Rod Journal Diameter

48.999–49.015-mm

1.9291–1.9297-in

Crankshaft End Play

0.050–0.380-mm

0.0012–0.0150-in

Crankshaft Main Bearing Clearance

0.031–0.067-mm

0.0012–0.0026-in

Crankshaft Main Journal Diameter

55.993–56.009-mm

2.2044–2.2051-in

Cylinder Head

Overall Height – Minimum

128.9-mm

5.07-in

Surface Flatness – Block Deck – Longitude

0.050-mm

0.002-in

Surface Flatness – Block Deck – Overall

0.1-mm

0.004-in

Surface Flatness – Block Deck – Transverse

0.030-mm

0.0012-in

Valve Guide Bore – Exhaust

6.000–6.012-mm

0.2362–0.2367-in

Valve Guide Bore – Intake

6.000–6.012-mm

0.2362–0.2367-in

Valve Lifter Bore Diameter – Stationary Lash Adjusters

12.013–12.037-mm

0.4730–0.4739-in

Valve Seat Angle – Relief Surface

30-Degrees

Valve Seat Angle – Seating Surface

45-Degrees

Valve Seat Angle – Undercut Surface

60-Degrees

Valve Seat Roundness – Maximum

0.025-mm

0.0010-in

Valve Seat Runout – Maximum

0.080-mm

0.0031-in

Valve Seat Width – Exhaust Seating Surface

1.600-mm

0.0630-in

Valve Seat Width – Intake Seating Surface

1.200-mm

0.0472-in

Lubrication System

Oil Pressure – Minimum – @1000-RPM @ 90°C (194°F)

206.84–482.63-kPa

30–70-psi

Oil Capacity

4.7L

5.0-quarts

Piston Rings

Piston Ring End Gap – First Compression Ring

0.15–0.25-mm

0.006–0.010-in

Piston Ring End Gap – Second Compression Ring

0.20–0.45-mm

0.008–0.018-in

Piston Ring End Gap – Oil Control Ring – Rails

0.15–0.65-mm

0.006–0.026-in

Piston Ring to Groove Clearance – First Compression Ring

0.04–0.08-mm

0.0015–0.0031-in

Piston Ring to Groove Clearance – Second Compression Ring

0.030–0.070-mm

0.0012–0.0030-in

Piston Ring to Groove Clearance – Oil Control Ring

0.058–0.207-mm

0.0023–0.0081-in

Piston Ring Thickness – First Compression Ring

1.170–1.190-mm

0.0461–0.0469-in

Piston Ring Thickness – Second Compression Ring

1.471–1.490-mm

0.0579–0.0587-in

Piston Ring Thickness – Oil Control Ring – Rail – Maximum

0.473-mm

0.0186-in

Piston Ring Thickness – Oil Control Ring – Spacer – Rail

0.929–1.006-mm

0.0366–0.0396-in

Pistons and Pins

Pin – Piston Pin Clearance to Connecting Rod Bore

0.007–0.020-mm

0.0003–0.0008-in

Pin – Piston Pin Clearance to Piston Pin Bore

0.004–0.012-mm

0.0002–0.0005-in

Pin – Piston Pin Diameter

19.997–20.000-mm

0.7873–0.7874-in

Pin – Piston Pin End Play

0.410–1.266-mm

0.0161–0.0498-in

Piston – Piston Diameter – @14.5-mm up

87.967–87.982-mm

3.4633–3.4638-in

Piston – Piston Pin Bore Diameter

20.004–20.009-mm

0.7876–0.7878-in

Piston – Piston Ring Groove Width – Oil Control

2.01–2.03-mm

0.0791–0.0799-in

Piston – Piston Ring Groove Width – Second

1.52–1.54-mm

0.0598–0.0606-in

Piston – Piston Ring Groove Width – Top

1.23–1.25-mm

0.0484–0.0492-in

Piston – Piston to Bore Clearance

0.010–0.041-mm

0.0004–0.0016-in

Valve System

Valves – Valve Face Angle

45-Degrees

Valves – Valve Face Runout – Maximum

0.040-mm

0.0016-in

Valves – Valve Seat Runout – Maximum

0.080-mm

0.0031-in

Valves – Valve Face Seat Width – Exhaust

1.6000-mm

0.06299-in

Valves – Valve Face Seat Width – Intake

1.2000-mm

0.04724-in

Valves – Valve Head Diameter – Exhaust

29.950–30.250-mm

1.1791–1.1909-in

Valves – Valve Head Diameter – Intake

34.950–35.250-mm

1.3760–1.4154-in

Valves – Valve Head O.D. and Chamfer Height – Exhaust

1.1174-mm

0.04399-in

Valves – Valve Head O.D. and Chamfer Height – Intake

1.0526-mm

0.04144-in

Valves – Valve Stem Diameter – Exhaust

5.935–5.950-mm

0.2337–0.2343-in

Valves – Valve Stem Diameter – Intake

5.955–5.970-mm

0.2344–0.2355-in

Valves – Valve Stem Height – Closed

32.500-mm

1.2795-in

Valves – Valve Stem to Guide Clearance – Exhaust

0.050–0.077-mm

0.0020–0.0026-in

Valves – Valve Stem to Guide Clearance – Intake

0.030–0.057-mm

0.0012–0.0022-in

Valve Lash Adjusters – Valve Lash Adjuster Diameter – Stationary Lash Adjuster

11.986–12.000-mm

0.0005–0.0020-in

Valve Lash Adjusters – Valve Lash-Adjuster-to-Bore Clearance – Stationary Lash Adjuster

0.013–0.051-mm

3.2210–3.2299-in

Valve Rocker Arms – Rocker Arm Ratio

1.68 to 1

Valve Rocker Arms – Rocker Arm Roller Diameter

17.740–17.800-mm

0.6987–0.7008-in

Valve Springs – Valve Spring Free Length

41.400–44.200-mm

1.6299–1.7402-in

Valve Springs – Valve Spring Installed Height – Closed

32.500-mm

1.2795-in

Valve Springs – Valve Spring Installed Height – Open

22.500-mm

0.8858-in

Valve Springs – Valve Spring Load – Closed – @32.5-mm

245.0–271.0 N

55–61-lb

Valve Springs – Valve Spring Load – Open – @22.5-mm

525.0–575.0 N

118–129-lb

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