LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2003 >> ZX2 Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 339 (Engine-3.0L) >> Specifications >> General Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Specifications

WARNING: This page is about a different car, the 2003 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS

Item Specification
Lubricants and Sealants 
Motorcraft Premium Synthetic Blend SAE 5W-20 Motor Oil XO-5W20-QSP or equivalent WSS-M2C153-H
Metal Surface Cleaner F4AZ-19A536-RA WSE-M5B392-A
Silicone Gasket and Sealant F7AZ-19554-EA WSE-M4G323-A4
Engine 
Displacement 3.0L (4V) (182 CID)
Number of cylinders 6
Bore 89.0 mm (3.5 in)
Stroke 79.5 mm (3.13 in)
Firing order 1-4-2-5-3-6
Oil pressure (hot 1,500 rpm) 138-310 kPa (20-45 psi)
Oil capacity (with filter change) 6.5 L (6.9 qts)
Compression ratio 10.5:1
Cylinder Head and Valve Train 
Cylinder head gasket surface flatness 0.12 mm (0.004 in)
Combustion chamber volume 45.7 ± 1.5 cc
Valve arrangement (front to rear) -
Valve clearance - intake 0.175-0.225 mm (0.0069-0.0089 in)
Valve clearance - exhaust 0.325-0.375 mm (0.0128-0.0148 in)
Valve guide bore diameter -
Valve stem diameter (standard) - intake 5.492-5.477 mm (0.216-0.215 in)
Valve stem diameter (standard) - exhaust 5.479-5.464 mm (0.215 in)
Valve stem-to-guide clearance - intake 0.022-0.067 mm (0.0008-0.0026 in)
Valve stem-to-guide clearance - exhaust 0.035-0.080 mm (0.001-0.003 in)
Valve head diameter - intake 35 mm (1.38 in)
Valve head diameter - exhaust 30 mm (1.18 in)
Valve head diameter - gauge diameter 33.5 and 28.0 mm (1.318 and 1.102 in)
Valve face runout 0.02 mm (0.007 in)
Valve face angle 45.5 degrees
Valve seat width - intake 1.1-1.4 mm (0.043-0.055 in)
Valve seat width - exhaust 1.4-1.7 mm (0.055-0.066 in)
Valve seat runout 0.04 mm (0.001 in)
Valve seat angle 89-90 degrees
Valve spring free length (approx.) 44.2 mm (1.740 in)
Valve spring compression pressure (N @ spec, length) 400 ± 22 at 24.5 mm (89.92 ± 4.94 at 0.964 in)
Valve spring installed pressure (N @ spec, length) 175 ± 10 at 33.41 mm (39.34 ± 2.24 at 1.315 in)
Camshaft 
Theoretical valve lift @ 0 lash -
Lobe lift - intake 8.466 mm (0.333 in)
Lobe lift - exhaust 9.461 mm (0.372 in)
Allowable lobe lift loss -
Journal diameter 26.929-26.936 mm (1.060 in)
Camshaft journal bore inside diameter -
Camshaft journal-to-bearing clearance - standard 0.025-0.076 mm (0.001-0.0029 in)
Camshaft journal-to-bearing clearance - service limit 0.151 mm (0.005 in)
Runout -
End play - standard 0.07-0.15 mm (0.002-0.005 in)
End play - service limit 0.277 mm (0.010 in)
Cylinder Block 
Cylinder bore diameter - grade 1 89.000-89.010 mm (3.503-3.504 in)
Cylinder bore diameter - grade 2 89.010-89.020 mm (3.504 in)
Cylinder bore diameter - grade 3 89.020-89.030 mm (3.504-3.505 in)
Cylinder bore maximum taper 0.020 mm (0.0007 in)
Cylinder bore maximum out-of-round - limit 0.015 mm (0.0005 in)
Cylinder bore maximum out-of-round - service limit 0.020 mm (0.0007 in)
Main bearing bore inside diameter 67.998-68.022 mm (2.677-2.6780 in)
Head gasket surface flatness 0.025-0.050 mm (0.0009-0.0019 in)
Head gasket surface finish 0.12 mm (0.004 in)
Crankshaft 
Main bearing journal diameter 62.968-62.992 mm (2.467-2.479 in)
Main bearing journal maximum taper -
Main bearing journal maximum out-of-round -
Main bearing journal-to-cylinder block clearance -
Connecting rod journal diameter 49.970-49.990 mm (1.967-1.968 in)
Connecting rod journal maximum taper -
Connecting rod journal maximum out-of-round -
Crankshaft maximum end play 0.110-0.232 mm (0.004-0.009 in)
Piston and Connecting Rod 
Piston diameter - coded grade 1 88.990-89.010 mm (3.5035-3.5043 in)
Piston diameter - coded grade 2 88.998-89.022 mm (3.5039-3.5048 in)
Piston diameter - coded grade 3 89.010-89.030 mm (3.5043-3.5051 in)
Piston-to-cylinder bore clearance 0.012-0.022 mm (0.0005-0.0009 in)
Piston ring end gap - compression.(top, gauge diameter) 0.100-0.250 mm (0.0039-0.0098 in)
Piston ring end gap - compression (bottom, gauge diameter) 0.27-0.42 mm (0.0106-0.0165 in)
Piston ring end gap - oil ring (steel-rail, gauge diameter) 0.15-0.65 mm (0.0059-0.0255 in)
Piston ring end gap - compression (top, service limit) 0.50 mm (0.0196 in) max.
Piston ring end gap - compression (bottom, service limit) 0.65 mm (0.0255 in) max.
Piston ring end gap - oil ring (steel rail, service limit) 0.90 mm (0.0354 in) max.
Piston ring groove width - compression (top) 1.230-1.245 mm (0.0484-0.0490 in)
Piston ring groove width - compression (bottom) 1.530-1.545 mm (0.0602-0.0608 in)
Piston ring groove width - oil ring 3.030-3.055 mm (0.1192-0.0120 in)
Piston ring width -
Piston ring-to-groove clearance -
Piston pin bore diameter 21.017-21.031 mm (0.827-0.828 in)
Piston pin diameter 21.011-21.013 mm (0.8272 in)
Piston pin length 60.51-60.08 mm (2.382-2.365 in)
Piston pin-to-piston fit -0.005 to +0.001 mm (0.0001-0.00003 in)
Piston-to-connecting rod clearance -
Connecting rod-to-pin clearance - standard 0.004-0.020 mm (0.0001-0.0007 in)
Connecting rod-to-pin clearance - service limit 0.035 mm (0.0013 in)
Connecting rod pin bore diameter -
Connecting rod length (center-to-center) 138.06-138.14 mm (5.435-5.38 in)
Connecting rod maximum allowed bend 0.038 mm per 25.0 mm (0.0014 in per 0.984 in)
Connecting rod maximum allowed twist 0.050 mm per 25.0 mm (0.0019 in per 0.984 in)
Connecting rod bearing bore diameter -
Connecting rod bearing-to-crankshaft clearance 0.028-0.045 mm (0.0011-0.0017 in)
Connecting rod side clearance (assembled to crank) - standard 0.100-0.30 mm (0.0039-0.0118 in)
Connecting rod side clearance (assembled to crank) - service limit 0.35 mm (0.0137 in) max.
TORQUE SPECIFICATIONS

Description  Nm  lb-ft  lb-in 
Ignition coil bolts 6 - 53
Valve cover studs and bolts 10 - 89
Upper intake manifold bolts 10 - 89
Front intake manifold support nut 10 - 89
Lower intake manifold bolts 10 - 89
Coolant outlet tube bolts 10 - 89
Coolant inlet tube bolts 25 18 -
Crankshaft position sensor bolts 10 - 89
Camshaft journal cap bolts(1) - - -
Camshaft position sensor bolt 10 - 89
Crankshaft pulley bolt (1) - - -
Exhaust manifold nuts" 20 15 -
Oil level indicator tube stud bolt 10 --89
Oil filter(2) - - -
Oil pan bolt 25 18 -
Oil pressure switch 14 10 -
Oil pump bolts 10 - 89
Oil separator bolts 10 - 89
Oil pump screen tube bolts 10 - 89
Oil filter adapter bolts 25 18 -
Oil filter adapter bolts (large single)(1) - - -
EGR-to-exhaust manifold tube 40 30 -
EGR bolts 25 18 -
Upper intake support bolt 10 - 89
Upper intake support bracket nuts 6 - 53
Oil cooler bolt 57 42 -
Spark plugs 15 11 -
Upper intake support bracket nuts 10 - 89
LH and RH engine mount nuts 63 46 -
Power steering pump bolts 25 18 -
A/C manifold bolt 21 15 -
A/C line bracket 10 - 89
Cylinder head bolts(1) - - -
Lower cylinder block bolts(1) - - -
Generator mounting bolts 48 35 -
A/C compressor mounting bracket bolts 25 18 -
Engine mount bolts 63 46 -
Engine mount nuts 63 46 -
Engine mount bracket bolts 25 18 -
Flywheel bolts 80 59 -
Connecting rod cap nuts(1) - - -
Front cover bolts and studs 25 18 -
Crankshaft damper bolts(1) - - -
Belt tensioner bolt 50 37 -
Belt idler pulley bolt 25 18 -
Transmission cooler line bracket bolt 11 - 8
Torque converter nuts 35 25 -
Cylinder head temperature (CHT) sensor 15 11 -
Timing chain guide bolts 25 18 -
Timing chain tensioner bolts 25 18 -
Variable camshaft timing (VCT) oil filter plug 25 18 -
Exhaust manifold heat shield bolts 10 - 89
Power steering reservoir bolts 12 9 -
Power steering pump bolts 25 18 -
Power steering line bracket bolt 10 - 89
Coolant pump bolts and studs 25 18 -
Cross vehicle support bolts 20 15 -
Ground strap-to-body bolt 10 - 89
Ground strap-to-engine stud bolt and nut 10 - 89
Steering shaft clamp bolt 25 18 -
Starter studs and bolt 25 18 -
Transmission oil cooler lines 20 15 -
Engine-to-transmission bolts 45 35 -
Radio ignition interference capacitor bolts 10 - 89
Knock sensor bolts 25 18 -
Front crossmember bolts 103 76 -
Center crossmember bolts 103 76 -
Lower strut mount bolts 175 129 -
Description Nm lb-ft lb-in
Upper ball joint nuts 90 66 -
Lower stabilizer link nut 55 41 -
Front brake caliper bolts 103 76 -
Upper radiator support bracket bolts 10 - 89
Fuel pressure sensor shield bolts (M6) 10 - 89
Fuel pressure sensor shield bolts 6 - 53
Wiring harness-to-valve cover bracket nuts 6 - 53
Fuel line bracket bolt 10 - 89
Appearance cover bracket nuts 6 - 53
Transmission-to-oil pan bolts 45 35 -
Transmission cooler line bracket nut 10 - 89
Cross vehicle support bolts 20 15 -
A/C compressor bolts 25 18 -
Subframe bolts 104 77 -
Steering gear nuts 103 76 -
Engine mount nuts (upper) 40 30 -
Main engine wiring harness connector bolt 10 - 89
(1) Refer to the procedure in this article.

(2) Install oil filter until seal makes contact. Tighten an additional 270 degrees.