Engine Mechanical - 2.5L: Specifications

ENGINE SPECIFICATIONS

Item	Specification
Displacement	2.5L iVCT
No. of cylinders	4
Bore/stroke	89.0/100.0 mm (3.50/3.93 in)
Firing order	1-3-4-2
Compression ratio	9.7:1
Engine weight - (with flexplate)	115.8 kg (255.3 lb)
Engine and transaxle weight - automatic transaxle	203.8 kg (449.3 lb)

LUBRICANTS SPECIFICATIONS

Item	Specification
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil (US); Motorcraft® SAE 5W-20 Super Premium Motor Oil (Canada)	XO-5W20-QSP (US); CXO-5W20-LSP12 (Canada)

ENGINE OIL CAPACITY

Item	Specification
Service fill including oil filter	5.4L (5.7 qt)
Service fill without oil filter	5.1L (5.4 qt)

OIL PRESSURE SPECIFICATIONS

Item	Specification
Oil pressure (hot @ 2, 000 rpm)	200-414 kPa (29.0-60 psi)

CYLINDER BLOCK SPECIFICATIONS

Item	Specification
Cylinder bore diameter	89.0-89.03 mm (3.503-3.505 in)
Cylinder bore maximum out-of-round	0.008 mm (0.0003 in)
Main bearing bore diameter	57.018-57.040 mm (2.244-2.245 in)
Head gasket surface flatness	0.1 mm/general 0.05 mm/200 x 200 (0.004 in/general) (0.0019 in/7.87 x 7.87)

PISTON SPECIFICATIONS

Item	Specification
Piston Diameter (1)	88.965-88.975 mm (3.5025-3.5029 in)
Piston Diameter (2)	88.9725-88.9875 mm (3.5028-3.5034 in)
Piston Diameter (3)	88.985-88.995 mm (3.5033-3.5037 in)
Piston-to-bore clearance	0.0225-0.0475 mm (0.0009-0.0019 in)
Ring groove width - top	1.23-1.25 mm (0.0484-0.0492 in)
Ring groove width - 2nd	1.22-1.24 mm (0.0480-0.0488 in)
Ring groove width - oil	2.51-2.53 mm (0.0988-0.0996 in)
Piston skirt coating thickness	0.008-0.016 mm (0.0003-0.0006 in)

PISTON PIN SPECIFICATIONS

Item	Specification
Diameter	19.995-20.0 mm (0.8265-0.8267 in)
Length	54.7-55.0 mm (2.1535-2.1653 in)
Pin-to-rod clearance	Floating pin

CYLINDER HEAD SPECIFICATIONS

Item	Specification
Cylinder head flatness	0.08 mm (0.0031 in) maximum overall, a maximum of 0.05 mm (0.0019 in) within 150 mm (5.9 in)
Valve lift @ zero lash (exhaust)	7.7 mm (0.30 in)
Valve lift @ zero lash (intake)	8.8 mm (0.35 in)
Valve guide diameter	5.509-5.539 mm (0.216-0.218 in)
Valve seat width - intake/exhaust	0.99-1.84 mm (0.038-0.072 in)
Valve seat angle	45 degrees
Valve seat runout	0.075 mm (0.0029 in)
Valve tappet bore diameter	31.00-31.03 mm (1.220-1.221 in)
Cam bore diameter	25.015-25.040 mm (0.984-.0985 in)

VALVE SPECIFICATIONS

Item	Specification
Valve head diameter - intake	34.85-35.15 mm (1.372-1.383 in)
Valve head diameter - exhaust	29.85-30.15 mm (1.175-1.187 in)
Valve stem diameter - intake	5.470-5.485 mm (0.2153-0.2159 in)
Valve stem diameter - exhaust	5.465-5.480 mm (0.2151-0.2157 in)
Valve stem-to-guide clearance - intake	0.0027 mm (0.00010 in)
Valve stem-to-guide clearance - exhaust	0.0029 mm (0.00011 in)
Valve face runout	0.05 mm (0.0019 in)
Valve face angle	45 degrees

VALVE SPRING - COMPRESSION PRESSURE SPECIFICATIONS

Item	Specification
Intake and exhaust (installed)	18 kg (39.683 lb)
Intake (valve open) 9.2 mm (0.362 in of lift)	46 kg (101.41 lb)
Exhaust (valve open) 9.2 mm (0.362 in of lift)	46 kg (101.41 lb)
Free length	47.91 mm (1.886 in)
Assembled height	37.9 mm (1.492 in)

CRANKSHAFT SPECIFICATIONS

Item	Specification
Main bearing journal diameter	51.978-52.002 mm (2.046-2.047 in)
Production repair	51.730-51.750 mm (2.036-2.037 in)
Main bearing clearance	0.016-0.047 mm (0.0006-0.0015 in)
Connecting rod journal diameter	51.978-52.002 mm (2.046-2.047 in)
Production repair	51.730-51.750 mm (2.036-2.037 in)
End play	0.220-0.450 mm (0.008-0.018 in)

RINGS SPECIFICATIONS

Item	Specification
Width - top	1.17-1.19 mm (0.0460-0.0469 in)
Width - 2nd	1.17-1.19 mm (0.0460-0.0469 in)
Width - oil	2.38-2.45 mm (0.093-0.096 in)
Ring gap (in bore) - top	0.16-0.26 mm (0.006-0.0102 in)
Ring gap (in bore) - 2nd	0.31-0.46 mm (0.012-0.018 in)
Ring gap (in bore) - oil	0.15-0.40 mm (0.0059-0.0157 in)

VALVE TAPPET SPECIFICATIONS

Item	Specification
Diameter	30.97-30.98 (1.2192-1.2196 in)
Tappet-to-valve clearance - intake	0.22-0.28 mm (0.008-0.011 in)
Tappet-to-valve clearance - exhaust	0.27-0.33 mm (0.010-0.013 in)
Tappet-to-bore clearance	0.02-0.06 mm (0.0007-0.0023 in)

CAMSHAFT SPECIFICATIONS

Item

Specification

Lobe lift - intake

9.44 mm (0.371 in)

Lobe lift - exhaust

8.18 mm (0.322 in)

Runout (1) ⁽¹⁾

0.03 mm (0.001 in)

Thrust clearance

0.09-0.24 mm (0.003-0.009 in)

Journal diameter

24.96-24.98 mm (0.982-0.983 in)

Journal-to-bore clearance

0.035-0.080 mm (0.001-0.003 in)

⁽¹⁾	No. 3 Journal - Supported by No. 1 and No. 5 journals.

CONNECTING ROD SPECIFICATIONS

Item	Specification
Bearing clearance	0.027-0.052 mm (0.001-0.002 in)
Bearing thickness	1.496-1.520 mm (0.058-0.059 in)
Crank bore diameter	55.025-55.045 mm (2.166-2.167 in)
Pin bore diameter	20.010-20.021 mm (0.7878-0.788 in)
Length (center to center)	151.8 mm (5.976 in)
Side clearance	1.95-3.05 mm (0.076-0.120 in)
Axial clearance	0.14-0.36 mm (0.005-0.014 in)

TORQUE SPECIFICATIONS

Item

lb-ft

lb-in

A/C compressor nut

A/C compressor stud

A/C tube bracket nut

133

A/C compressor mounting bolts

A/C tube bolt

106

A/C tube nut

Accessory drive belt idler pulley bolt

Accessory drive belt tensioner bolts

Balance unit bolts ⁽¹⁾

Blocker heater

Camshaft bearing cap bolts ⁽¹⁾

CMP sensor bolt

Camshaft sprocket bolts ⁽¹⁾

Coil-on-plug stud bolts

Connecting rod cap bolts ⁽¹⁾

Coolant outlet bolts

Coolant pump bolts

Coolant pump pulley bolts

177

Cooling module support bolts

Crankcase vent oil separator bolts

CKP sensor bolt ⁽¹⁾

Crankshaft pulley bolt ⁽¹⁾

Crankshaft rear oil seal retainer bolts ⁽¹⁾

Cylinder block pipe plug

Cylinder head bolts ⁽¹⁾

CHT sensor

106

Degas bottle bolt

EGR tube

EGR valve bolts

177

Engine front cover bolts ⁽¹⁾

Engine front cover-to-oil pan bolts ⁽¹⁾

Engine mount bolts

Engine mount nuts

Engine mount studs

177

EOP switch

133

Engine lift eye bolts

Engine plug bolt

177

Engine-to-bellhousing bolts

Exhaust hanger bolts

Exhaust manifold bracket-to-cylinder block bolts

Exhaust manifold bracket-to-exhaust bolts

Exhaust manifold heat shield bolts

Exhaust manifold nuts

Exhaust manifold studs

150

Exhaust pipe flange nuts

Flexplate bolts ⁽¹⁾

Fuel rail stud bolts

Generator electrical connection nut

106

Generator mounting bolts

Generator mounting bracket nut and bolt

Generator mounting bracket stud

Ground cable bolts at LH frame rail

106

Ground cable bolt at LH fender

106

Ground cable nut at starter

159

Halfshaft bracket bolts

Halfshaft strap nuts

Intake manifold bolts ⁽¹⁾

KS bolt

177

LH transaxle mount nut

133

Main bearing beam bolts ⁽¹⁾

Oil filter adapter bolt

Oil filter (spin-on filter type) ⁽²⁾

Oil pan-to-bellhousing bolts ⁽¹⁾

Oil pan bolts ⁽¹⁾

Oil pan drain plug

Oil pump drive chain tensioner bolt

Oil pump drive chain tensioner shoulder bolt

Oil pump bolts ⁽¹⁾

Oil pump screen and pickup tube bolts

Oil pump sprocket bolt

Oil squirters

Power Distribution Box (PDB) cable nut

106

Radio capacitor nut

Roll restrictor to subframe bolt

150

111

Roll restrictor to transmission bracket bolt

115

Shift cable bracket bolt

106

Spark plug

106

Starter motor bolts

Starter motor solenoid nut

106

Starter motor ground wire nut

Thermostat housing bolts

Timing chain guide bolts

Timing chain tensioner bolts

Torque converter nuts

Transaxle-to-engine bolts

Valve cover bolts ⁽¹⁾

Valve cover bracket nuts

VCT oil control solenoid bolt

VCT cylinder head plug bolt

⁽¹⁾	Refer to the procedure for this specification.

⁽²⁾	Lubricate the spin-on oil filter gasket with clean engine oil. Tighten the oil filter three-fourths turn after the oil filter gasket makes contact with the oil filter adapter.