Contents Wiring diagrams Section: Mechanical All sections

Engine - 3.0L (4V): Other Mercury Mariner II

Mechanical 32 illustrations ~709 words

MATERIALS

ItemSpecificationFill Capacity
High Temperature Nickel Anti-Seize Lubricant XL-2 (US); CXG-2-B (Canada)ESE-M12A4-A
MERCON® Multi-Purpose Automatic Transmission Fluid XT-2-QDX (US); XT-2-LM12 (Canada)MERCON®
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A5.7L (6.0 qt) includes filter change
Penetrating and Lock Lubricant XL-1 (US); CXC-51-A (Canada)
Silicone Brake Caliper Grease and Dielectric Compound XG-3-AESE-M1C171-A
Silicone Gasket and Sealant TA-30WSE-M4G323-A4
Thread Sealant with PTFE TA-24WSK-M2G350-A2

MATERIALS

Exhaust Emission Control System

Operation and required maintenance of the exhaust emission control devices used on this engine are covered in the Introduction - Gasoline Engines article.

Induction System

The SFI provides the fuel/air mixture needed for combustion in the cylinders. The 6 solenoid-operated fuel injectors

  1. are mounted between the fuel rail and the intake manifold.
  2. meter fuel into the air intake stream in accordance with engine demand.
  3. are positioned so that their tips direct fuel just ahead of the engine intake valves.

Valve Train

The camshafts are mounted in the cylinder heads and act against a roller follower to open and close the valves. A hydraulic lash adjuster is located on one side of the roller follower and the valve tip on the opposite end. The camshafts are driven off the front of each cylinder head by 2 chains (one each side). Both of the chains are driven by sprockets that are located on the crankshaft, just in front of the oil pump.

Positive Crankcase Ventilation System

All engines are equipped with a closed-type positive crankcase ventilation system recycling the crankcase vapors to the upper intake manifold.

Oil Pump

The lubrication system is designed to provide optimum oil flow to critical components of the engine through its entire operating range.

The heart of the system is a positive displacement internal gear oil pump.

Generically this design is known as a gerotor pump, which operates as follows

  1. The oil pump is mounted on the front face of the cylinder block.
  2. The inner rotor is piloted on the crankshaft post and is driven through flats on the crankshaft.
  3. System pressure is limited by an integral, internally-vented relief valve which directs the bypassed oil back to the inlet side of the oil pump.
  4. Oil pump displacement has been selected to provide adequate volume to make sure of correct oil pressure both at hot idle and maximum speed.
  5. The relief valve calibration protects the system from excessive pressure during high viscosity conditions.
  6. The relief valve is designed to provide adequate connecting rod bearing lubrication under high-temperature and high-speed conditions.

Cooling System

The engine cooling system includes the following

  1. Radiator
  2. Dual electric fan assemblies
  3. Degas bottle (aids in maintaining the correct volume of engine coolant)
  4. Coolant thermostat
  5. Coolant hoses

Scheme 60

Scheme 60: Engine Cylinder Identification

For basic engine mechanical concerns, refer to ENGINE SYSTEM - GENERAL INFORMATION article. For driveability concerns, refer to the Introduction - Gasoline Engines article.

Scheme 61

Scheme 61: Upper Intake Manifold
ItemPart NumberDescription
1W702251Accelerator cable snow shield bolts (2 required)
29E776Accelerator cable snow shield
39A825Speed control cable to throttle body
49A758Accelerator cable to throttle body
5Accelerator/speed control cable bracket bolt (3 required)

Scheme 62

Scheme 62
ItemPart NumberDescription
6W52593Evaporative emissions (EVAP) tube clamp
79D289EVAP tube
8Exhaust gas recirculation (EGR) tube fitting (part of 9D477)
914A464Throttle position (TP) sensor electrical connector (part of 9H589)
10W700497Wiring retainer (part of 9H589)
11Transaxle vent tube pin-type retainer (part of 7034)
12Vacuum harness tube (part of 9E498)
1314A464Idle air control (IAC) valve electrical connector (part of 9H589)
1414A464EGR vacuum regulator electrical connector (part of 9H589)
15EGR vacuum regulator stud bolt nut
16Wiring retainer (part of 9H589)
17Positive crankcase ventilation (PCV) tube
18Vacuum harness tube fitting (part of 9E498)
19392984Brake booster vacuum hose clamp
202C053Brake booster vacuum hose
2114A464Engine control wiring harness electrical connectors (part of 9H589)

Scheme 63

Scheme 63
ItemPart NumberDescription
22Throttle body coolant hose clamps (2 required)
23Throttle body coolant hoses (2 required)
249Y450Upper intake manifold bolt (8 required)
259424Upper intake manifold
26Upper intake manifold gasket (6 required)

Valve Cover - LH

ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Silicone Gasket and Sealant TA-30WSE-M4G323-A6

Material

Scheme 64

Scheme 64
ItemPart NumberDescription
1W702251Accelerator cable snow shield bolts (2 required)
29E766Accelerator cable snow shield
36853Crankcase ventilation tube
417A084Engine lift bracket
5W701627Engine lift bracket bolt

Scheme 65

Scheme 65
ItemPart NumberDescription
6Upper radiator hose retainers (2 required)

Scheme 66

Scheme 66
ItemPart NumberDescription
713A506Wiring retainer (2 required) (part of 9H589)
8W700497Wiring retainer (2 required) (part of 9H589)
96C519Valve cover stud bolt (9 required)
1014A099B+ cable wiring retainers (3 required)
116A505Valve cover
126C519Valve cover bolt (4 required)
136A559Valve cover gasket

Valve Cover - RH

ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Silicone Gasket and Sealant TA-30WSE-M4G323-A6

Material

Scheme 67

Scheme 67
ItemPart NumberDescription
16582Valve cover
2W700497Wiring retainers (5 required)
36C519Valve cover bolt (3 required)
46K817Positive crankcase ventilation (PCV) tube
518801Radio ignition interference capacitor electrical connector
6W520411Radio ignition interference capacitor nut
7W520411Engine control wiring harness shield nut (2 required)
812B637Engine control wiring harness shield
96C519Valve cover stud bolt (10 required)
106584Valve cover gasket

Crankshaft Pulley

Special Tools Illustration Tool Name Tool Number Installer, Front Cover Oil Seal 303-335 (T88T-7601-A) Replacer, Crankshaft Damper 303-102 (T74P-6316-B) Remover, Crankshaft Vibration Damper 303-009 (T58P-6316-D) Strap Wrench 303-D055 (D85L-6000-A)

Scheme 68

Scheme 68: Crankshaft Pulley

Scheme 69

Scheme 69

Scheme 70

Scheme 70
ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A
Silicone Gasket and Sealant TA-30WSE-M4G323-A4

Material

Crankshaft Front Seal

Special Tools Illustration Tool Name Tool Number Installer, Front Cover Seal 303-335 (T88T-6701-A) Replacer, Crankshaft Damper 303-102 (T74P-6316-B) Remover, Oil Seal 303-409 (T92C-6700CH)

Scheme 71

Scheme 71
ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Crankshaft Rear Seal

Special Tools Illustration Tool Name Tool Number Slide Hammer 307-005 (T59L-100-B) Remover, Crankshaft Rear Seal 303-519 (T95P-6701-EH) Installer, Crankshaft Rear Main Oil Seal 303-178 (T82L-6701-A) Installer Bolts, Crankshaft Rear Main Oil Seal 303-384 (T91P-6701-A)

Scheme 72

Scheme 72: Crankshaft Rear Seal

Scheme 73

Scheme 73

Scheme 74

Scheme 74
ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Engine Front Cover

ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A
Silicone Gasket and Sealant TA-30WSE-M4G323-A6

Material

Scheme 75

Scheme 75
ItemPart NumberDescription
1W709986Generator bolt
210300Generator
3W710416Generator stud
4W520414Generator stud nut (2 required)
515A024Catalyst monitor sensor electrical connector bracket
6W701542Catalyst monitor sensor electrical connector bracket nut

Scheme 76

Scheme 76
ItemPart NumberDescription
714A464Crankshaft position (CKP) sensor electrical connector (part of 9H589)
86C348Center accessory drive belt idler pulley
9Center accessory drive belt idler pulley bolt (part of 6C348)
1019A216LH accessory drive belt idler pulley
11LH accessory drive belt idler pulley bolt (part of 19A216)
126B209Accessory drive belt tensioner
13W701625Accessory drive belt tensioner bolt
1414A464Camshaft position (CMP) sensor electrical connector (part of 9H589)
15W706902RH accessory drive belt idler pulley and bracket bolt (3 required)
163F671RH accessory drive belt idler pulley and bracket
179H589Wiring harness retainer

Scheme 77

Scheme 77
ItemPart NumberDescription
18Wire harness retainers (2 required) (part of 14290)
19W707137Speed control actuator nuts (3 required)
209C735Speed control actuator
21A/C pressure switch electrical connector (part of 14290)

Scheme 78

Scheme 78
ItemPart NumberDescription
22W710030Engine front cover stud bolt (2 required)
23W708222Engine front cover bolt (3 required)
24W708221Engine front cover bolt (3 required)
256D081Engine front cover gaskets (3 required)
26W701525Engine front cover bolt (8 required)
276019Engine front cover
28W709678Oil pan-to-front cover bolts (2 required)

Camshaft Roller Follower

Special Tools Illustration Tool Name Tool Number Compressor, Valve Spring 303-473 (T94P-6565-BH)

ItemSpecification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Hydraulic Lash Adjuster

ItemSpecification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Valve Spring, Retainer, and Seal

Special Tools Illustration Tool Name Tool Number Compressor, Valve Spring 303-473 (T94P-6565-BH) Installer, Valve Stem Oil Seal 303-470 (T94P-6510-CH)

Scheme 79

Scheme 79: Valve Spring, Retainer, and Seal
ItemSpecification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Cylinder Head - RH

ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Scheme 80

Scheme 80
ItemPart NumberDescription
16065Cylinder head bolt (8 required)
26529Camshaft roller follower (12 required)
36C501Hydraulic lash adjuster (12 required)
46049Cylinder head
56051Cylinder head gasket

Cylinder Head - LH

ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Scheme 81

Scheme 81
ItemPart NumberDescription
16065Cylinder head bolt (8 required)
26529Camshaft roller follower (12 required)
36C501Hydraulic lash adjuster (12 required)
46050Cylinder head
58501Coolant pump
6W701544Coolant pump bolts (3 required)
76750Oil level indicator
86754Oil level indicator tube
9W701822Oil level indicator tube stud bolt
10110282Oil level indicator tube O-ring
116083Cylinder head gasket

Scheme 82

Scheme 82
ItemPart NumberDescription
1W707399Upper radiator support bracket bolts (4 required)

Oil Pan

ItemSpecification
Motorcraft Metal Surface Prep ZC-31
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A
Silicone Gasket and Sealant TA-30WSE-M4G323-A4

Material

Oil Pump Screen and Pickup Tube

ItemSpecification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Engine Oil Pressure (EOP) Switch

ItemSpecification
Thread Sealant with PTFE TA-24WSK-M2G350-A2

Material

Scheme 83

Scheme 83
ItemPart NumberDescription
116102RH lower splash shield
2W706713RH lower splash shield pin-type retainer
3W707257RH lower splash shield bolt (5 required)
414A464Engine oil pressure (EOP) switch electrical connector (part of 9H589)
59278EOP switch
66714Engine oil filter

Oil Level Indicator and Tube

ItemSpecification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Scheme 84

Scheme 84
ItemPart NumberDescription
16750Oil level indicator
2W701822Oil level indicator tube stud bolt
36754Oil level indicator tube
4110282Oil level indicator O-ring seal

Scheme 85

Scheme 85
ItemPart NumberDescription
5W707399Upper radiator support bracket bolts (4 required)
6Upper radiator hose retaining clips (2 required) (part of 8B274)
78B274Upper radiator hose

Engine Support Insulators

Special Tools Illustration Tool Name Tool Number 3-Bar Engine Support Kit 303-F072 Lifting Brackets, Engine 303-050 (T70P-6000) Universal Adapter Brackets 014-0001

Scheme 86

Scheme 86: Engine Support Insulators

Scheme 87

Scheme 87

Scheme 88

Scheme 88
ItemPart NumberDescription
1N621942Ground wire eyelet nut
2Ground wire eyelet
3N621942Engine support insulator bracket nuts (3 required)
4W709667Engine support insulator bracket bolt
56061Engine support insulator bracket
6W500233Engine support insulator bolts (3 required)
76068Engine support insulator

Cylinder Head

Special Tools Illustration Tool Name Tool Number Compressor, Valve Spring 303-300 (T87C-6565-A) Compressor, Valve Spring 303-350 (T89P-6565-A) Installer, Valve Stem Oil Seal 303-470 (T94P-6510-CH)

Scheme 89

Scheme 89: Cylinder Head

Scheme 90

Scheme 90
ItemSpecification
Motorcraft SAE 5W-20 Premium Synthetic Blend Motor Oil XO-5W20-QSP (US); Motorcraft SAE 5W-20 Super Premium Motor Oil CXO-5W20-LSP12 (Canada); or equivalentWSS-M2C930-A

Material

Scheme 91

Scheme 91
ItemPart NumberDescription
16518Valve spring retainer key (24 required)
26514Valve spring retainer (12 required)
36513Valve spring (12 required)
46A517Valve stem seal (12 required)
56505Intake valve (6 required)
66507Exhaust valve (6 required)