Engine data 1.1/1.3 l (VW Golf 1)

Main characteristics of the engine

• Engine code - FA/GG/FJ - GF
• Working volume - 1093 cm³-1272 cm³
• Cylinder diameter (mm) — 69.5—75
• Piston stroke (mm) — 72—72
• Compression ratio - 8.0-8.2

Cylinder head (mm)

• Maximum allowable warpage is 0.1
• Minimum allowable height after mechanical processing is 167.3

Valves (mm)

Rod diameter:

• Intake - 7.97
• Graduation - 7.95
• Valve seat chamfer angle - 45°

Maximum allowable valve clearance in the guide bushing:

• Inlet - 1.0 mm
• Graduation - 1.3 mm

Camshaft (mm)

• Maximum allowable axial clearance (mm) - 0.15

Oil pump

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

Piston rings (mm)

Piston ring gaps:

• Compression rings - 0.3-0.45
• Oil scraper ring - 0.25-0.40

Clearance between ring and groove:

• New ring - 0.02-0.05
• Maximum allowed is 0.15

The location of the rings is marked "TOP" towards the bottom of the piston.
The ring locks are offset by 120° relative to each other.

Crankshaft (mm)

Main journal diameter:

• Original size - 54.00
• The first reduced repair size is 53.75
• Second reduced repair size - 53.50
• Third reduced repair size - 53.25

Connecting rod journal diameter:

• Original size - 42.00
• The first reduced repair size is 41.75
• The second reduced repair size is 41.50
• Third reduced repair size - 41.25

Crankshaft bearing clearances:

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

Crankshaft axial clearance:

• On a new engine - 0.07-0.18
• Maximum allowed is 0.20

Connecting rod axial clearance:

• On a new engine - 0.05-0.31
• Maximum allowed - 0.40

Tightening torques for threaded connections (kgm)

Cylinder head bolts (on a cold engine) — only NEW bolts:

Until 1981:

Bolts M11 (star head)

• Stage 1 - 4.0
• Stage 2 - 6.0
• Step 3 - 180° Turn

Bolts M10 (star head)

• Stage 1 - 4.0
• Stage 2 - 5.5
• Stage 3 - 6.5
• Step 4 - Turn 90°

Since 1982, M11 bolts (star head)

• Stage 1 - 4.0
• Stage 2 - 6.0
• Stage 3 - 7.5
• Step 4 - Turn 90°

• Valve Cover Bolts - 1.0
• Coolant Temperature Sensor - 1.1
• Camshaft Sprocket Mounting Bolt - 8.0
• Oil pan bolts:
• Bolt head with internal socket for key - 0.8
• Hex Bolt Head - 2.0
• Oil pressure sensor:
• Threaded - 1.2
• Plate - 2.5
• Crankshaft Timing Belt Sprocket - 8.0
• Cooling pump mounting bolts - 1.0
• Starter mounting bolts - 2.5
• Timing Belt Cover Fastening Bolts - 1.0
• Main Bearing Cap Bolts - 6.5
• Flywheel mounting bolts - 7.5; screw in bolts with thread locking fluid
• Connecting Rod Bearing Nuts - 3.0; then tighten by turning 90°
• Distributor mounting bolts - 2.0
• Lubrication system pressure reducing valve - 2.5
• Oil pump oil pickup mounting bolts - 1.0
• Engine/Transmission Mounts:
• Bolts M10 - 4.5
• Bolts M8 - 2.5