Petrol and Diesel Engine Specifications (Skoda Felicia)

Repair without removing from the car - petrol engine 1.3 l
General parameters
Engine type	In-line 4-cylinder, 4-stroke, liquid-cooled
Engine code
Central injection (SPFI), low compression ratio	135V
Multiport injection (MPFI), low compression ratio	135M
Central injection (SPFI), high compression ratio	136B
Multiport injection (MPFI), high compression ratio	136M
Inner Ø of cylinder liners, mm
Class A	75.500÷75.510
Class B	75.511÷75.520
Class C	75.521÷75.530
Piston stroke, mm	72.00
Working volume, cm³	1289
Firing order	1-3-4-2 (starting the count from the cylinder closest to the crankshaft pulley)
Direction of rotation of the crankshaft	Clockwise (when viewed from the right side of the car)
Compression Ratio / Compression Pressure (bar)
135V motors	8.8:1/-
Engines 135 M	9.5: 1/10-14
136V motors	9.7: 1/-
Engines 136 M	10.0:1/11-15
Lubrication system
Oil pressure, bar
Minimum allowable, at 1500 rpm	3.5
Upper limit	5.8
Oil pump type	Gear, forced feed
Oil pump clearances:
Clearance between the end face of the drive gear shaft and the cover, mm
Nominal value	0.02÷0.06
Maximum permissible	0.15
Between the teeth of the driven and driving gears, mm
Nominal value	0.014÷0.050
Maximum permissible	0.1
Between the ends of the gears and the pump cover (axial play), mm	0.1
Tightening forces of threaded connections	Nm
Bolt for fastening the adjusting bar of the generator support bracket to the cylinder head*	26
Generator Lower Support Bracket Nuts	24
Connecting rod lower head cover fastening nut	40
Camshaft Sprocket Bolt	35
Camshaft Thrust Plate Bolts	8
Water pump mounting bolts	20
Crankshaft pulley bolt	120
Cylinder head bolts
Stage 1	17÷20
Stage 2	Pull to a 90° angle
Stage 3	Pull another 90°
Cylinder head nuts
Equipped with a washer	26
Self-locking	24
Distributor shaft tail bolts	8
Engine to gearbox mounting bolts	45
Fasteners for the left support of the powertrain suspension
Front bolt	60
Front nut	55
Rear bolt	55
Fasteners for the right support of the power unit suspension	50
Nuts securing the exhaust system inlet pipe to the exhaust manifold flange	20
Exhaust manifold mounting nuts to the cylinder head	25
Flywheel mounting bolts (new)*
Stage 1	30
Stage 2	Pull to a 90° angle
Flywheel cover mounting bolts	10
Knock sensor	20
Main bearing cap bolt	75
Oil pressure switch sensor	55
Fasteners for oil pump oil receiver assembly with mesh filter	8
Tappet cover nuts	4
Crankshaft Rear Oil Seal Housing Bolts	8
Wheel mounting bolts	110
Cylinder head cover nuts	3
Rocker arm axle mounting bolts	30
Engine oil pan mounting bolts	10
Oil pan drain plug	65
Timing Chain Cover Bolts	8
Valve adjuster locknuts	18
*Use with fixing sealant
Repair without removing from the car - petrol engine 1.6 l
General parameters
General parameters	In-line 4-cylinder, 4-stroke, liquid-cooled
Engine code	AEE
Ø of cylinders, mm	76.5
Piston stroke, mm	86.9
Working volume, cm³	1598
Firing order	1-3-4-2 (starting the count from the cylinder closest to the crankshaft pulley)
Direction of rotation of the crankshaft	Clockwise (when viewed from the right side of the car)
Compression Ratio/Compression Pressure (bar)	9.8: 1/10-15
Valve springs:
Ø rod, mm
Inner spring	2.50
Outer spring	3.75
W springs
Inner spring	18.50
Outer spring	26.75
Free length, mm
Inner spring	43.60
Outer spring	45.85
Compression force up to a height of 30 mm, N (kgf)
Inner spring	108÷127 (11÷13)
Outer spring	299÷385 (30.5÷36.5)
Lubrication system
Oil pump type	Installed in the oil pan, with a chain drive from the crankshaft
Minimum working oil pressure, bar	2.0 (at 2000 rpm and 80°C)
Response pressure of the control lamp switch sensor, bar	0.15÷0.35
Maximum permissible clearance of gear teeth engagement, mm	0.2
Maximum permissible axial clearance of gears, mm	0.15
The deflection value of a normally tensioned oil pump drive chain when pressing on it in the section in the middle between the sprockets, mm	4
Tightening forces of threaded connections	Nm
Generator mounting bolts	23
Generator support bracket to engine mounting bolts	45
Accessory Drive Belt Tensioner Pulley Bolt	45
Bolt securing auxiliary drive belt tensioner to bracket	25
Connecting rod lower head cap bolts:*
Stage 1	30
Stage 2	Pull to a 90° angle
Camshaft Bearing Cap Bolts 1	10
Camshaft Bearing Cap Nuts:
Stage 1	6
Stage 2	Pull to a 90° angle
Cylinder head cover bolts	10
Camshaft Timing Gear Bolt:*
Stage 1	20
Stage 2	Pull 90°
Crankshaft main bearing cap bolts:
Stage 1	65
Stage 2	Pull to a 90° angle
Crankshaft Oil Seal Housing Bolts	10
Head bolts for fastening the pulley to the crankshaft gear	20
Crankshaft timing gear mounting bolt (with lubricated threads):*
Stage 1	90
Stage 2	Pull to a 90° angle
Cylinder head bolts:
Stage 1	40
Stage 2	60
Stage 3	Pull to a 90° angle
Engine Oil Dipstick Guide Tube Fastening Bolts	10
Bolts for fastening the lifting eyes of the power unit	20
Bolts securing the right support of the power unit suspension to the engine block:*
Stage 1	40
Stage 2	Pull to a 90° angle
Bolts securing the right support of the powertrain suspension to the body	50
Engine to transmission mounting bolts	45
Fastening of the left support of the power unit suspension:
Front bolt	60
Front nut	45
Rear bolt	45
Fastening the rear support of the powertrain suspension:
Front Through Bolt Nut	45
Rear Through Bolt Nut (to the subframe)	77
Bolts of the right support of the power unit suspension	50
Exhaust manifold fasteners	25
Bolts securing the intake air heater housing from the exhaust manifold	9
Fastening the exhaust pipe to the exhaust manifold	25
Flywheel mounting bolts:*
Stage 1	60
Stage 2	Pull to a 90° angle
Knock sensor	20
Oil pressure switch sensor	20
Oil pump mounting bolts (from the timing belt side)	20
Oil pump oil pick-up bracket bolts	10
Oil separator mounting bolts	10
Wheel mounting bolts	110
Oil pan mounting bolts	15
Oil pan drain plug	30
Timing Belt Cover Bolts*	10
Timing Belt/Water Pump Shield Mounting Bolts	20
Bolts securing the inner timing belt cover to the cylinder head	10
Timing Belt Tensioner Roller Lock Nut	20
*Fasteners must be replaced without fail
Repair without removing from the car - diesel engine
General parameters
Engine code	AEF
Ø of cylinders, mm	79.5
Piston stroke, mm	95.5
Working volume, cm³	1896
Firing order	1-3-4-2 (starting the count from the cylinder closest to the crankshaft pulley)
Direction of rotation of the crankshaft	Clockwise (when viewed from the right side of the car)
Compression Ratio/Compression Pressure (bar)	22.5: 1/34
Compression pressure in cylinders, bar
Minimum acceptable	26
Maximum permissible difference between cylinders	5
Lubrication system
Oil pump type	Mounted in the oil pan, driven directly from the intermediate shaft
Minimum working oil pressure, bar	2.0 (at 2000 rpm and 80°C)
Maximum permissible clearance of the engagement of the pump gear teeth, mm	0.20
Maximum permissible axial clearance of gears, mm	0.15
Tightening forces of threaded connections	Nm
Generator support bracket to engine mounting bolts	25
Accessory Drive Belt Tensioner Adjusting Bolt	10
Auxiliary Drive Belt Tensioner Roller Bolt (with left-hand thread)	20
Auxiliary Drive Belt Tensioner Assembly to Bracket Mounting Bolts	20
Connecting rod lower head cap bolts:*
Stage 1	30
Stage 2	Pull to a 90° angle
Camshaft Bearing Cap Nuts	20
Cylinder head cover nuts	10
Camshaft timing gear bolt	45
Water Pump Pulley Bolts	25
Crankshaft Front Oil Seal Housing Bolts:*
Top bolt	10
Bottom bolts	25
Crankshaft main bearing cap bolts:
Stage 1	65
Stage 2	Pull to a 90° angle
Crankshaft Pulley Bolts	25
Crankshaft rear oil seal housing mounting bolts	10
Crankshaft Timing Bolt (lubricated):*
Stage 1	90
Stage 2	Pull to a 90° angle
Cylinder head bolts:
Stage 1	40
Stage 2	60
Stage 3	Pull to a 90° angle
Stage 4	Pull another 90°
Engine Oil Dipstick Guide Tube Fastening Bolts
Bottom bolt	45
Top bolt	100
Powertrain lifting eye mounting bolt	20
Bolts securing the right support of the powertrain suspension to the engine block	45
Bolts securing the right support of the powertrain suspension to the body	50
Engine to transmission mounting bolts	45
Fastening of the left support of the power unit suspension:
Front bolt	60
Front nut	45
Rear bolt	45
Fastening the rear support of the powertrain suspension:
Front Through Bolt Nut	45
Rear Through Bolt Nut (to the subframe)	77
Nuts securing the exhaust pipe to the exhaust manifold	40
EGR valve mounting bolts	25
Exhaust manifold to cylinder head mounting nuts	25
Flywheel mounting bolts:*
Stage 1	60
Stage 2	Pull to a 90° angle
Glow plugs	25
Fuel injection pump mounting bolts/nuts	25
Fuel injection pump gear mounting bolts	25
Injection tube nipple connections	25
Intake manifold cover bolts	10
Intake Pipe/Pipe Fastening Bolts	25
Intermediate shaft oil seal housing mounting bolts	25
Intermediate shaft gear mounting bolt	45
Oil cooler mounting nut	25
Oil filter support bracket mounting bolts	25
Oil pressure switch sensor	25
Oil pump cover mounting screws	10
Oil pump mounting bolts	25
Oil pump oil pickup tube mounting screws	10
Piston Oil Spray Nozzles (are placed on a fixing liquid)	10
Wheel mounting bolts	110
Oil pan drain plug	30
Oil pan mounting bolts	20
Inner timing belt cover bolts to cylinder head	10
Lower timing belt cover mounting bolts	10
Timing Belt Tensioner Roller Lock Nut	20
Vacuum pump tie bolt	20
*Fasteners must be replaced without fail
Dismantling the power unit and major engine repairs
Cylinder head
Maximum permissible non-flatness of the mating (gasket) surface, mm
Petrol engines	0.05
Diesel engines	0.1
Minimum allowable repair height of the head (only for 1.6L engines), mm	135.6
Maximum permissible protrusion of swirl chambers (for diesel engines only), mm	0.05
Valves
Engine 1.3 l
Seat chamfer angle	45
Ø plate, mm
Intake valves	34
Exhaust valves	30
Rod Ø, mm
Nominal	8.00
Repair	8.25
Free height of spring, mm
Inner spring	43.60
Outer spring
Engines 135	45.85
Engines 136	46.5
Engine 1.6 l
Seat chamfer angle	45
Ø plate, mm
Intake valves	36.0
Exhaust valves	31.0
Rod Ø, mm
Intake valves	7.97
Exhaust valves	7.95
Camshaft
Engine 1.3 l
Drive	Chain Number of bearings
Ø of bearing journals, mm
Anterior neck (from the pulley side)	38.950÷38.975
Central neck	38.450÷38.475
Back neck (from the flywheel side)	29.959÷29.980
Inner Ø of bearings, mm
Front bearing	39.000÷39.025
Central bearing	38.500÷38.525
Rear bearing	30.000÷30.021
Clearance in camshaft bearings, mm	0.025÷0.075
Axial clearance of the camshaft, mm	0.020÷0.066
External W of pushers, mm
Nominal value	20.980÷21.000
Repair value (in excess)	21.193÷21.200
Internal Ø of sockets for seating pushers, mm
Nominal value	21.000÷21.021
Repair value (in excess)	21.200÷21.221
Valve timing (135V/135M/136V/136M):
Inlet valves:
Opening	12°/18°/22°/22° before TDC
Closing	48°/52°/52°/50° after BDC
Exhaust valves:
Opening	42°/54°/57°/57° before BDC
Closing	8°/14°/17°/17° after TDC
Engines 1.6 l and diesel
Axial clearance, mm	0.15
Maximum allowable runout, mm	0.01
Maximum allowable clearance in bearings, mm
Diesel engine	0.11
Gasoline engine	0.10
Valve timing:
1.6L engines:
Inlet valves:
Opening	8° after TDC
Closing	32° after BDC
Exhaust valves:
Opening	27° before BDC
Closing	3° before TDC
Diesel engines:
Inlet valves:
Opening	6° after TDC
Closing	20° after BDC
Exhaust valves:
Opening	25.5° before BDC
Closing	6.5° before TDC
Cylinder block
Engine 1.3 l
Material	Aluminum alloy
Inner Ø of cylinders, mm
Nominal value - class A	75.500
Nominal value - class B	75.510
Nominal value - class C	75.520
Tolerance to nominal value	+0.009/-0
The amount of protrusion of the liners above the plane of the cylinder block, mm
Nominal value	0.07÷0.12
Maximum permissible difference between cylinders	0.04
Engine 1.6 l
Material	Cast iron
Inner Ø of cylinders, mm
Nominal size	76.51
1st repair size	76.76
2nd repair size	77.01
3rd repair size	77.26
Diesel
Material	Cast iron
Inner Ø of cylinders, mm
Nominal size	79.51
1st repair size	79.76
2nd repair size	80.01
Pistons and piston rings
Engine 1.3 l
Ø pistons, mm
Nominal value - class A	75.475
Nominal value - class B	75.485
Nominal value - class C	75.495
Diametric tolerance (for all pistons)	±0.009
Piston clearance in cylinder, mm	0.025
Piston ring seating clearances in grooves, mm
Upper compression ring	0.040÷0.072
Lower compression ring	0.030÷0.062
Clearances in piston ring locks, mm
Compression rings
New ring	0.25÷0.40
Maximum permissible value	1.0
Oil scraper ring
New ring	0.20÷0.35
Maximum permissible value	1.0
Ø piston pins, mm	19.997÷20.000
Ø hole for piston pin seating, mm	19.998÷20.007
Engine 1.6 l
Ø pistons, mm
Nominal size	76.470
1st repair size	76.720
2nd repair size	76.970
3rd repair size	77.220
Piston ring clearance in grooves, mm
Compression rings	0.04÷0.08 (acceptable limit: 0.15)
Oil scraper ring 1-section ring	0.04÷0.08 (acceptable limit: 0.15)
3-section ring	Not subject to measurement
Clearances in piston ring locks, mm
Upper compression ring
New ring	0.20÷0.50
Maximum permissible value	1.0
Lower compression ring
New ring	0.40÷0.70
Maximum permissible value	1.0
Oil scraper ring
1-section ring
New ring	0.25÷0.50
Maximum permissible value	1.0
3-section ring
New ring	0.40÷1.40
Maximum permissible value	Not specified
Ø piston pins, mm	16.997÷17.000
Ø hole for piston pin seating, mm	17.002÷17.006
Diesel engine
Ø pistons, mm
Nominal size	79.480
1st repair size	79.73
2nd repair size	79.98
Piston ring clearance in grooves, mm
Upper compression ring	0.09÷0.12 (acceptable limit: 0.25)
Lower compression ring	0.05÷0.08 (acceptable limit: 0.25)
Oil scraper ring	0.03÷0.06 (acceptable limit: 0.15)
Clearances in piston ring locks, mm Upper compression ring	0.20÷0.40 (acceptable limit: 1.2)
Lower compression ring	0.20÷0.40 (acceptable limit: 0.6)
Oil scraper ring	0.25÷0.50 (acceptable limit: 1.2)
Required type of gasket to be installed:
The amount of piston protrusion in position TDC: 0.66÷0.86 mm Gasket with 1 hole/groove
The amount of piston protrusion in position TDC: 0.87÷0.90 Gasket with 2 holes/marks
The amount of piston protrusion in position TDC: 0.91÷1.02 Gasket with 3 holes/grooves
Ø piston pins, mm	16.997÷17.000
Ø hole for piston pin seating, mm	17.002÷17.006
All engines
Ø valve tappets, mm
Nominal	20.080÷21.000
Repair	21.193÷21.200
Ø of holes for pushers, mm
Nominal	21.000÷21.021
Repair	21.200÷21.221
Connecting rods
Engine 1.3 l
Ø hole in the upper head for piston pin seating, mm	19.999÷20.005
Engine 1.6 l
Minimum permissible preload value bearing shells, mm	1.5
Ø hole in the upper head for piston pin seating, mm	17.01÷17.02
Diesel
Axial clearance of the lower head, mm	0.37
Ø hole in the upper head for piston pin seating, mm	17.01÷17.02
Crankshaft
Engine 1.3 l
Number of main bearings	3
Ø of main journals, mm
Nominal size	59.971÷59.990
1st repair size	59.721÷59.740
2nd repair size	59.471÷59.490
3rd repair size	59.221÷59.240
Diametric tolerance (for all necks)	from -0.010 to -0.029
Thickness of main bearing shells, mm
Nominal size	2.495
1st repair size	2.620
2nd repair size	2.745
3rd repair size	2.870
Admission (for all bearings)	from +0.000 to -0.010
Clearance in main bearings, mm	0.016÷0.065
Diameter of connecting rod journals, mm
Nominal size	45.00
1st repair size	44.75
2nd repair size	44.50
3rd repair size	44.25
Diametric tolerance (for all necks)	from -0.009 to - 0.025
Thickness of connecting rod bearing liners, mm
Nominal size	1.490
1st repair size	1.615
2nd repair size	1.740
3rd repair size	1.865
Admission (on all liners)	from +0.000 to -0.07
Clearance in connecting rod bearings, mm	0.019÷0.060
Width of 1st main journal, mm
Nominal size	31.500÷31.525
1st repair size	31.625÷31.650
2nd repair size	31.750÷31.775
3rd repair size	31.875÷31.900
Thickness of thrust washers, mm
Nominal size	1.490
1st repair size	1.615
2nd repair size	1.740
3rd repair size	1.865
Admission (for all washers)	from +0.000 to -0.010
Crankshaft axial clearance, mm	0.04÷0.1
Engine 1.6 l
Crankshaft axial clearance, mm
New shaft	0.07÷0.18
Maximum permissible value	0.20
Ø of main journals, mm
Nominal size	54.00
1st repair size	53.75
2nd repair size	53.50
3rd repair size	53.25
Tolerance from -0.022 to -0.037
Clearance in main bearings, mm
Nominal value	0.03÷0.08
Maximum permissible value	0.17
Ø of connecting rod journals, mm
Nominal size	47.80
1st repair size	47.55
2nd repair size	47.30
3rd repair size	47.05
Tolerance to nominal value	from -0.022 to -0.037
Clearance in connecting rod bearings, mm
Nominal value	0.006÷0.047
Maximum permissible value	0.091
Diesel engine
Crankshaft axial clearance, mm
New shaft	0.07÷0.17
Maximum permissible value	0.37
main necks, mm
Nominal size	54.00
1st repair size	53.75
2nd repair size	53.50
3rd repair size	53.25
Tolerance from -0.022 to -0.042
Clearance in main bearings, mm
Nominal value	0.03÷0.08
Maximum permissible value	0.17
Ø of connecting rod journals, mm
Nominal size	47.80
1st repair size	47.55
2nd repair size	47.30
3rd repair size	47.05
Admission	from -0.022 to -0.042
Maximum permissible clearance in connecting rod bearings, mm	0.08