Ford Workshop Service and Repair Manuals > Scorpio 1995 (10.1994-06.1998) > Mechanical Repairs | 3 Powertrain | 321 Engine | 321-01 2,0 DOHC 8V Engine | Description and Operation

Description and Operation

Scorpio 1995 (10/1994-06/1998)

Description and Operation

Engine wiring harness

Item	Description
1	DIS ignition coils
2	Coolant temperature sender unit
3	Engine coolant temperature (ECT) sensor
4	Throttle position sensor (TPS)
5	Idle air control (IAC) valve
6	Oil pressure switch
7	Crankshaft position sensor (CPS)
8	Central connector
9	Injectors
10	Camshaft position sensor (CID)

Item	Description
1	Crankshaft belt pulley
2	Automatic belt tensioner
3	Alternator
4	Water pump
5	Power steering pump
6	Air conditioning compressor

Locations of the angles on the valve seat.

1. Locations of the angles on the valve seat.

1. Upper correction angle

2. Valve seat angle

3. Lower correction angle

4. Valve seat width

Revised parts from '95 MY onwards

2. Connecting rods

• In place of the existing oil splash bore, there is now a recess on each side of the connecting rod.

• This recess conveys the oil from the bearing shells to the cylinder bore.

• This provides additional lubrication on the pressurised side of the cylinder bore.

• New connecting rod bolts marked ”KX120" on the head.

NOTE:

Coated pistons have no valve recesses in the piston crown (from build month 05/97).

3. Pistons

• The distance from piston crown to first piston ring was reduced to 5 mm.

• The piston rings are phosphated.

• The tolerances have been reduced.

4. Cylinder head gasket.

With effect from the '95 model year, a multi‐layered steel gasket is used.

5. Inlet manifold gasket.

• Four Viton gaskets arranged in the inlet manifold.

• The four gaskets are not symmetrical.

6. Exhaust manifold gasket.

• With effect from the '95 model year, a two‐layered steel gasket is used.

• Two gaskets per engine.

Item	Description
1	Yellow line for standard size (∅ 54,99 ‐ 54,98) main bearing journals.
1	Red line for standard size (∅ 55,00 ‐ 54,99) main bearing journals.
2	Green line for production undersize (0,25) main bearing journals.
3	Green line for production undersize (0,25) main bearing journals.
4	Yellow line for undersize (0,38) centre main bearing journal width.
5	Centre main bearing journal width.

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