Petrol engine in-car repair procedures — specifications (Peugeot 106)

Engine (general)

Designation:

• 954 cc engine — TU9
• 1124 cc engine — TU1
• 1294 cc engine — TU2
• 1360 cc engine — TU3
• 1587 cc engine — TU5

Engine codes*:

• 954 cc carburettor engine — C1A (TU9K)
• 954 cc single point fuel-injected engine — CDZ and CDY (TU9M)

1124 cc carburettor engine:

• Up to mid-1996 — H1A (TU1K)
• Mid-1996 onward — H3A (TU1)

1124 cc single point fuel-injected engine:

• Up to mid-1996 — HDZ and HDY (TU1M)
• Mid-1996 onward — HDZ and HDY(TU1M+)
• 1124 cc multi-point fuel-injected engine — HEX (TU1JP)
• 1294 cc multi-point fuel-injected engine — MFZ (TU2J2)

1360 cc carburettor engine:

• Up to mid-1996 — K2D (TU3F)
• Mid-1996 onward — K5A (TU3.2TR)
• 1360 cc single point fuel-injected engine — KDX and KDY (TU3M orTU3MC)

1360 cc multi-point fuel-injected engine:

• Up to mid-1996 — K6B (TU3FJ2) and KFZ (TU3FJ2)
• Mid-1996 to mid-2000 — KFX (TU3JP)
• Mid-2000 onward — KFW (TU3JP)

1587 cc (8-valve) multi-point fuel-injected engine:

• Up to mid 1996 — NFY (TU5J2) and NFZ (TU5JP)
• Mid-1996 onward — NFW (TU5J2) and NFZ (TU5JP)
• 1587 cc (16-valve) multi-point fuel-injected engine — NFX (TU5J4)

* The engine code is situated on the front left-hand end of the cylinder block. It is either stamped on a plate which is riveted to the block (aluminium block engines) or stamped directly on the cylinder block (cast-iron block engines). The code given in brackets is the factory identification number.

Engine (general) - continued

Bore:

• 954 cc engine — 70,00 mm
• 1124 cc engine — 72.00 mm
• 1294 cc engine — 75.00 mm
• 1360 cc engine — 75.00 mm
• 1587 cc engine — 78.50 mm

Stroke:

• 954 cc engine — 62.00 mm
• 1124 cc engine — 69.00 mm
• 1294 cc engine — 73.20 mm
• 1360 cc engine — 77.00 mm
• 1587 cc engine — 82.00 mm

Direction of crankshaft rotation — Clockwise (viewed from right-hand side of vehicle)

No 1 cylinder location — At transmission end of block

Compression ratio (typical):

• 954 cc engine — 9.4:1
• 1124 cc engine — 9.4:1
• 1294 cc engine — 10.2: 1
• 1360 cc engine — 9.3:1
• 1587 cc (8-valve) engine — 9.6:1
• 1587 cc (16-valve) engine — 10.8:1

Camshaft

Drive Toothed belt

Number of bearings — 5

Camshaft bearing journal diameter (outside diameter):

Ail except 1587 cc (16-valve) engines:

• No — 1 36.950 to 36.925 mm
• No — 2 40.650 to 40.625 mm
• No — 3 41.250 to 41.225 mm
• No — 4 41.850 to 41.825 mm
• No 5 — 42.450 to 42.425 mm

1587 cc (16-valve) engines — Not available

Cylinder head bearing journal diameter (inside diameter):

All except 1587 cc (16-valve) engines:

• No 1 — 37.000 to 37.039 mm
• No 2 — 40.700 to 47.739 mm
• No 3 — 41.300 to 41.339 mm
• No 4 — 41.900 to 41.939 mm
• No 5 — 42.500 to 42.539 mm

1587 cc (16-valve) engines — Not available

Valve clearances (8-valve engines only)

Inlet — 0.20 mm

Exhaust — 0.40 mm

Lubrication system

Oil pump type — Gear-type, chain-driven off the crankshaft

Minimum oil pressure at 90°C — 4 bars at 4000 rpm

Oil pressure warning switch operating pressure — 0.8 bars

Torque wrench settings Nm/lbf·ft

All except 1587 cc (16-valve) engines

Cylinder head cover nuts — 16/12



Timing belt cover bolts — 8/6

Crankshaft pulley retaining bolts — 8/6

Timing belt tensioner pulley nut — 23/17

Camshaft sprocket retaining bolt:

• M11 bolt with plain washer — 80/59
• M10 bolt with captive washer — 45/33
• Crankshaft sprocket retaining bolt — 110/81
• Camshaft thrust fork retaining bolt — 16/12

Cylinder head bolts (aluminium block engine):

• Stage 1 — 20/15
• Stage 2 — Angle-tighten a further 240°

Cylinder head bolts (cast-iron block engine):

• Stage 1 — 20/15
• Stage 2 — Angle-tighten a further 120°
• Stage 3 — Angle-tighten a further 120°

Torque wrench settings (continued) Nm/lbf·ft

All except 1587 cc (16-valve) engines (continued)

Sump drain plug — 30/22

Sump retaining nuts and bolts — 8/6

Oil pump retaining bolts — 8/6

Flywheel retaining nuts and bolts* — 65/48

Piston oil jet spray tube bolts - 1587 cc models — 10/7

Big-end bearing cap nuts* — 40/30

Main bearing ladder casting (aluminium block engine):

11 mm bolts:

• Stage 1 — 20/15
• Stage 2 — Angle-tighten a further 45°
• 6 mm bolts — 8/6

Main bearing cap bolts (cast-iron block engine):

• Stage 1 — 20/15
• Stage 2 — Angle-tighten a further 45°

Engine/transmission right-hand mounting:

Pre-July 1996 models:

• Mounting bracket-to-engine nuts — 50/37
• Mounting bracket-to-body 8 mm nut — 20/15
• Mounting bracket-to-body 10 mm nut — 50/37

July 1996 models onward:

• Mounting bracket-to-engine nuts — 45/33
• Flexible mounting-to-mounting bracket bolt — 28/21
• Flexible mounting-to-body bolts — 30/22

Left-hand engine/transmission mounting:

• Mounting bracket-to-body bolts — 30/22
• Centre nut — 85/63

Engine/transmission rear mounting:

• Mounting link bolts — 55/40
• Mounting-to-transmission bolts — 85/63
• Engine-to-transmission fixing bolts — 35/26
• 1587 cc (16-valve) engines Cylinder head cover nuts —10/7

Camshaft bearing housings:

• Stage 1 — 5/4
• Stage 2 — 10/7
• Timing belt cover bolts — 8/6
• Crankshaft pulley retaining bolts — 25/18
• Timing belt tensioner pulley nut — 23/17
• Camshaft sprocket-to-hub retaining bolts — 10/7
• Camshaft sprocket hub-to-camshaft retaining bolts — 80/59
• Crankshaft sprocket retaining bolt — 110/81

Cylinder head bolts:

• Stage 1 — 20/15
• Stage 2 — Angle-tighten a further 260°
• Sump drain plug — 30/22
• Sump retaining nuts and bolts — 8/6
• Oil pump retaining bolts — 10/7
• Flywheel retaining nuts and bolts — 65/48
• Big-end bearing cap nuts — 37.5/28

Main bearing cap bolts:

• Stage 1 — 20/15
• Stage 2 — Angle-tighten a further 50°

Engine/transmission right-hand mounting:

• Mounting bracket-to-engine nuts — 45/33
• Flexible mounting-to-mounting bracket bolt — 28/21
• Flexible mounting-to-body bolts — 25/18

Left-hand engine/transmission mounting:

• Mounting bracket-to-body bolts — 30/22
• Centre nut — 85/63

Engine/transmission rear mounting:

• Mounting link bolts — 55/40
• Mounting-to-transmission bolts — 85/63
• Engine-to-transmission fixing bolts — 35/26

* New nuts/bolts must be used.