Main characteristics of the engine
Engine code | FH | FD | JB | GH |
Displacement 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 |
Displacement 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)
- The maximum allowable warping is 0.1
- The minimum allowable height after machining 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:
- Inlet - 7.97
- Graduation - 7.95
Valve Head Diameter - 1.5/1.6L Engines
- Inlet - 34.0
- Graduation - 31.0
Valve Head Diameter - 1.8L Engine
- Inlet - 38.0
- Graduation - 33.0
- Valve seat/head angle - 45°
Valve head edge thickness:
- Intake - 2.0
- Graduation - 2.4
Camshaft (mm)
- Maximum axial play - 0.15
Pistons (mm)
- Piston clearance in cylinder (on a new engine) — 0.3
Piston ring clearance:
- Compression rings (new) — 0.30—0.45
- Oil scraper ring (new) — 0.25—0.40
- The maximum allowable is 1.0
Side clearance of piston rings in grooves:
- On a new engine - 0.02-0.05
- The maximum allowable is 0.15
Crankshaft (mm)
Main bearing clearance:
- On a new engine - 0.03-0 08
- The maximum allowable is 0.17
Axial play:
- On a new engine - 0.07-0.17
- The maximum allowable is 0.25
Clearance in connecting rod bearings:
- On a new engine - 0.03-0.095
- The maximum allowable is 0.12
Axial play of the connecting rod:
- On a new engine - 0.05 - 0.31
- The maximum allowable is 0.37
Auxiliary shaft (mm)
- Maximum axial play - 0.25
Oil pump (mm)
Lateral clearance between gear teeth
- New pump - 0.05
- The maximum allowable backlash is 0.20
Oil pressure at 2000 rpm and a temperature of 80°C - 2.0 bar
Tightening torques for threaded connections (kGm)
- Cylinder head bolts - tightened in three steps (on a cold engine):
- Stage 1 - 4.0
- Stage 2 - 6.0
- Step 3 - Rotate 180°
- Bolts of caps of main bearings - 6.5
- Nuts of connecting rod bearing caps - 3.0; then tighten by turning 90°
- Bolts of fastening of the pallet crankcase:
- Bolts with an internal socket for a wrench - 0.8
- Hex Bolts - 2.0
- Pan drain plug - 3.0
- Secondary 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
- Fastening the flywheel to the drive disk - 2.0
- Drive disc mount (automatic transmission) to the crankshaft - 7.5
- Engine mount to transmission:
- Bolts M10 - 4.5
- Bolts M12 - 7.5
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