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

Engine Component Description (LAF, LEA, or LUK)

Engine DescriptionCylinder BlockThe cylinder block is constructed of aluminum alloy byprecision sand-casting with 4 cast-in-place iron cylinder linersarranged in-line. The block has 5-crankshaft beari ...

Engine Mechanical Specifications

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Other materials:

EPB Release
To release the EPB: Turn the ignition on, or to ACC/ ACCESSORY. Apply and hold the brake pedal. Press the EPB switch momentarily. The EPB is released when the or PARK light is off. If the light is on, release the EPB by pressing and holding the EPB switch. ...