Chevrolet Equinox Service Manual: Engine Mechanical Specifications

Chevrolet Equinox Service Manual / Powertrain / Engine / Engine Mechanical Specifications

Engine Mechanical Specifications

Application

Specification

Metric

English

General
Engine Type	V-6
Displacement	3.6-Liter	220-cu-in
RPO	LFX
VIN	3
Bore	94-mm	3.7008-in
Stroke	85.6-mm	3.37-in
Compression Ratio	11.5:1
Firing Order	1-2-3-4-5-6
Spark Plug Gap	0.95–1.10-mm	0.0375–0.0433-in
Block
Crankshaft Main Bearing Bore Diameter	72.867–72.881-mm	2.8688–2.8693-in
Cylinder Bore Diameter	93.992–94.008-mm	3.7005–3.7011-in
Cylinder Bore Out-of-Round – Production Max.	0.026-mm	0.001-in
Cylinder Bore Taper	0.020-mm	0.0008-in
Camshaft
Camshaft Bearing Inside Diameter – Front Number-1	35.000–35.020-mm	1.3779–1.3787-in
Camshaft Bearing Inside Diameter – Middle and Rear Number 2–4	27.000–27.020-mm	1.0630–1.0638-in
Camshaft End Play	0.072–0.490-mm	0.0028–0.0190-in
Camshaft Journal Diameter – Front Number-1	34.936–34.960-mm	1.3754–1.3764-in
Camshaft Journal Diameter – Middle and Rear Number-2–4	26.936–26.960-mm	1.0605–1.0614-in
Camshaft Journal Out-of-Round	0.006-mm	0.0002-in
Camshaft Journal to Bore Clearance	0.040–0.084-mm	0.0016–0.0033-in
Camshaft Lobe Lift – Exhaust	42.425–42.725-mm	1.6703–1.6821-in
Camshaft Lobe Lift – Intake	42.385–42.685-mm	1.6687–1.6805-in
Camshaft Runout – Front and Rear Number 1 and 4	0.025-mm	0.0010-in
Camshaft Runout – Middle 2 and 3	0.050-mm	0.0020-in
Valve Lift – Exhaust	10.8-mm	0.4252-in
Valve Lift – Intake	10.8-mm	0.4252-in
Connecting Rod
Connecting Rod Bearing Clearance	0.010–0.070-mm	0.0004–0.0026-in
Connecting Rod Bore Diameter – Bearing End	59.620–59.636-mm	2.3472–2.3479-in
Connecting Rod Bore Diameter – Pin End – Production	24.009–24.019-mm	0.9452–0.9456-in
Connecting Rod Bore Diameter – Pin End – Service Maximum	24.021-mm	0.9457-in
Connecting Rod Length – Center to Center	152.400-mm	6.0000-in
Connecting Rod Side Clearance	0.095–0.355-mm	0.00037–0.0140-in
Connecting Rod Width – Bearing End
Production	21.775-mm	0.8573-in
Service	21.725–21.825-mm	0.8553–0.8593-in
Connecting Rod Width – Pin End
Production	21.775-mm	0.8573-in
Service	21.725–21.825-mm	0.8553–0.8593-in
Crankshaft
Connecting Rod Journal Diameter	55.992–56.008-mm	2.2044–2.2050-in
Connecting Rod Journal Out-of-Round	0.005-mm	0.0002-in
Connecting Rod Journal Taper	0.005-mm	0.0002-in
Connecting Rod Journal Width
Production	22.000-mm	0.8661-in
Service	21.920–22.080-mm	0.8630–0.8693-in
Crankshaft End Play	0.100–0.330-mm	0.0039–0.0130-in
Crankshaft Main Bearing Clearance	0.031–0.069-mm	0.0012–0.0027-in
Crankshaft Main Journal Diameter	67.992–68.008-mm	2.6768–2.6775-in
Crankshaft Main Journal Out-of-Round	0.005-mm	0.0002-in
Crankshaft Main Journal Taper	0.005-mm	0.0002-in
Crankshaft Main Journal Thrust Wall
Runout	0.000–0.040-mm	0.0000–0.0016-in
Square	0.000–0.010-mm	0.0000–0.0004-in
Crankshaft Main Journal Width, #2, 4
Production	24.000-mm	0.9449-in
Service	23.900–24.100-mm	0.9409–0.9488-in
Crankshaft Main Journal Width, #3
Production	24.400-mm	0.9606-in
Service	24.360–24.440-mm	0.9591–0.9622-in
Crankshaft Pilot Bearing Bore Diameter	20.965–20.995-mm	0.8254–0.8266-in
Crankshaft Rear Flange Runout	0.025-mm	0.0010-in
Crankshaft Reluctor Ring Runout – Maximum	1.500-mm	0.0591-in
Crankshaft Runout	0.030-mm	0.0012-in
Crankshaft Thrust Bearing Clearance	0.076–0.305-mm	0.0030–0.0120-in
Crankshaft Thrust Surface – Height Diameter	95.000-mm	3.7401-in
Crankshaft Thrust Surface Runout	0.040-mm	0.0016-in
Cylinder Head
Valve Guide Bore – Exhaust	6.000–6.020-mm	0.2362–0.2370-in
Valve Guide Bore – Intake	6.000–6.020-mm	0.2362–0.2370-in
Valve Guide Installed Height	14.050–14.550-mm	0.5531–0.5728-in
Valve Lifter Bore Diameter	12.008–12.030-mm	0.4728–0.4736-in
Lubrication System
Oil Capacity – with Filter	5.7-Liters	6.0-Quarts
Oil Capacity – without Filter	5.2-Liters	5.5-Quarts
Oil Pressure – Minimum @ Idle	69-kPa	10-psi
Oil Pressure – Minimum @ 2,000-RPM	138-kPa	20-psi
Piston Cooling Jet Valve Opening Pressure	1.7–2.3-bar	25–33-psi
Piston Rings
Piston Ring End Gap
First Compression Ring – Nominal	0.150–0.250-mm	0.0059–0.0098-in
First Compression Ring – Maximum, Ring in Bore	0.290-mm	0.0114-in
Second Compression Ring – Nominal	0.300–0.450-mm	0.0118–0.0177-in
Second Compression Ring – Maximum, Ring in Bore	0.490-mm	0.0193-in
Oil Control Ring	0.150–0.350-mm	0.0059–0.0138-in
Piston Ring to Groove Clearance
First Compression Ring	0.030–0.075-mm	0.0012–0.0030-in
Second Compression Ring	0.015–0.060-mm	0.0006–0.0024-in
Oil Control Ring	0.030–0.170-mm	0.0012–0.0067-in
Piston Ring Thickness
First Compression Ring	0.975–0.990-mm	0.0384–0.0390-in
Second Compression Ring	1.170–1.195-mm	0.0461–0.0470-in
Oil Control Ring	1.360–1.480-mm	0.0535–0.0583-in
Pistons and Pins
Piston
Piston Diameter – Measured Over Skirt Coating	93.976–94.014-mm	3.6998–3.7013-in
Piston Diameter – Service Limit Minimum w/more than 10K-miles	93.926-mm	3.6979-in
Piston Pin Bore Diameter	24.004–24.009-mm	0.9450–0.9452-in
Piston Ring Groove Width – First Compression Ring	1.020–1.050-mm	0.0402–0.0413-in
Piston Ring Groove Width − Second Compression Ring	1.210–1.230-mm	0.0476–0.0484-in
Piston Ring Groove Width – Oil Control Ring	1.510–1.530-mm	0.0594–0.0602-in
Piston to Bore Clearance – Production; Measured at Skirt Coating	0.022–0.032-mm	0.0009–0.0013-in
Piston to Bore Clearance – Service Limit Maximum, w/more than 10k-miles	0.050-mm	0.0020-in
Pin
Piston Pin Clearance to Connecting Rod Bore – Production	0.009–0.022-mm	0.0004–0.0009-in
Piston Pin Clearance to Connecting Rod Bore – Service Maximum	0.030-mm	0.0012-in
Piston Pin Clearance to Piston Pin Bore – Production	0.004–0.012-mm	0.0002–0.0005-in
Piston Pin Clearance to Piston Pin Bore – Service Maximum	0.015-mm	0.0006-in
Piston Pin Diameter	23.997–24.000-mm	0.9448–0.9449-in
Piston Pin Length	52.600–53.100-mm	2.0709–2.0906-in
Valve System
Valves
Valve Face Angle	44.25-degrees
Valve Face Runout	0.0500-mm	0.0020-in
Valve Face Width – Exhaust	DO NOT GRIND, REPLACE VALVE	DO NOT GRIND, REPLACE VALVE
Valve Face Width – Intake	DO NOT GRIND, REPLACE VALVE	DO NOT GRIND, REPLACE VALVE
Valve Head Diameter – Exhaust	30.470–30.730-mm	1.1996–1.2098-in
Valve Head Diameter – Intake	38.170–38.430-mm	1.5028–1.5130-in
Valve Installed Height	35.23–36.69-mm	1.3870–1.4445-in
Valve Length – Exhaust	95.11-mm	3.74-in
Valve Length – Intake	100.630-mm	3.9618-in
Valve Seat Angle – Seating Surface	45-degrees
Valve Seat Angle – Relief Surface	30-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	1.400–1.800-mm	0.0551–0.0709-in
Valve Seat Width – Exhaust Relief Surface	0.700–0.900-mm	0.0276–0.0354-in
Valve Seat Width – Intake Seating Surface	1.000–1.400-mm	0.0394–0.0551-in
Valve Seat Width – Intake Relief Surface	0.500–0.700-mm	0.0197–0.0276-in
Valve Stem Diameter – Exhaust	5.945–5.965-mm	0.2341–0.2348-in
Valve Stem Diameter – Intake	5.945–5.965-mm	0.2341–0.2348-in
Valve Stem-to-Guide Clearance – Exhaust	0.035–0.075-mm	0.0014–0.0030-in
Valve Stem-to-Guide Clearance – Intake	0.035–0.075-mm	0.0014–0.0030-in
Valve Lifters – Stationary Hydraulic Lash Adjuster (SHLA)
Valve Lifter (SHLA) Diameter	11.989–12.000-mm	0.4720–0.4724-in
Valve Lifter (SHLA)-to-Bore Clearance	0.008–0.041-mm	0.0003–0.0016-in
Rocker Arms
Valve Rocker Arm Ratio	1.68 to 1
Valve Rocker Arm Roller Diameter	17.750–17.800-mm	0.6988–0.7008-in
Valve Springs
Valve Spring Coil Thickness	3.250 x 3.900-mm	0.1280 x 0.1535-in
Valve Spring Diameter – Inside Top	12.200–12.700-mm	0.4803–0.5000-in
Valve Spring Diameter – Outside Top	20.250-mm	0.7972-in
Valve Spring Diameter – Inside Bottom	17.950–18.450-mm	0.7067–0.7264-in
Valve Spring Diameter – Outside Bottom	26.000-mm	1.0236-in
Valve Spring Free Length	42.500–45.500-mm	1.6732–1.7913-in
Valve Spring Installed Height – Closed	35.000-mm	1.3779-in
Valve Spring Installed Height – Open	24.000-mm	0.9449-in
Valve Spring Load – Closed	247–273-N	56–61-lb
Valve Spring Load – Open	598–662-N	134–149-lb

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