Engine data 1.5/1.6/1.8 l (VW Golf 1)

Main characteristics of the engine

Engine code	FH	FD	JB	GH
Working volume cm³	1471	1471	1457	1457
Cylinder diameter	76.5	76.5	79.5	79.5
Piston stroke	80	80	73.5	73.5
Compression ratio	8.2	9.7	8.2	7.2

Engine code	FP/FT/FR	EW	EG	DX
Working volume cm³	1588	1588	1588	1781
Cylinder diameter	79.5	79.5	79.5	81.0
Piston stroke	80	80	80	86.4
Compression ratio	7.0	9.0	9.5	10.0

Cylinder head (mm)

• Maximum allowable warpage is 0.1
• Minimum allowable height after mechanical processing is 132.6

Valves (mm)

Inlet Valve Length:

• Standard - 98.7
• Shortened - 98.2

Exhaust valve length:

• Standard - 98.5
• Shortened - 98.0

Valve stem diameter:

• Intake - 7.97
• Graduation - 7.95

Valve head diameter - 1.5/1.6L engines

• Intake - 34.0
• Graduation - 31.0

Valve Head Diameter - 1.8L Engine

• Intake - 38.0
• Graduation - 33.0
• Valve seat/head chamfer angle - 45°

Valve head edge thickness:

• Intake - 2.0
• Graduation - 2.4

Camshaft (mm)

• Maximum axial clearance - 0.15

Pistons (mm)

• Piston clearance in cylinder (on a new engine) — 0.3

Piston ring gap:

• Compression rings (new) - 0.30-0.45
• Oil scraper ring (new) — 0.25—0.40
• Maximum allowed is 1.0

Lateral clearance of piston rings in grooves:

• On a new engine - 0.02-0.05
• Maximum allowed is 0.15

Crankshaft (mm)

Main bearing clearance:

• On a new engine - 0.03-0.08
• Maximum allowed - 0.17

Axial clearance:

• On a new engine - 0.07-0.17
• Maximum allowed is 0.25

Clearance in connecting rod bearings:

• On a new engine - 0.03-0.095
• Maximum allowed is 0.12

Connecting rod axial clearance:

• On a new engine - 0.05 - 0.31
• Maximum allowed - 0.37

Auxiliary shaft (mm)

• Maximum axial clearance - 0.25

Oil pump (mm)

Lateral clearance between gear teeth

• New pump - 0.05
• Maximum allowable clearance is 0.20

Oil pressure at 2000 rpm and 80°C - 2.0 bar

Tightening torques for threaded connections (kgm)

(View the original on the website: VWMANUAL.ru)

• Cylinder head bolts - tightened in three stages (on a cold engine):
• Stage 1 - 4.0
• Stage 2 - 6.0
• Step 3 - 180° Turn

• Main Bearing Cap Bolts - 6.5
• Connecting Rod Bearing Cap Nuts - 3.0; then tighten by turning 90°
• Oil pan mounting bolts:
• Bolts with internal socket for key - 0.8
• Hex Head Bolts - 2.0
• Drain plug of the pan - 3.0
• Auxiliary shaft sprocket bolt - 8.0
• Crankshaft Sprocket Bolt - 8.0
• Fastening the crankshaft pulley to the sprocket - 2.0
• Camshaft Bearing Cap Bolts - 2.0
• Camshaft Sprocket Bolt - 8.0
• Fastening the clutch drive disc to the crankshaft - 7.5
• Flywheel to drive disc mounting - 2.0
• Fastening the drive disc (automatic transmission) to the crankshaft - 7.5
• Engine to transmission mounting:
• Bolts M10 - 4.5
• Bolts M12 - 7.5