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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