Specifications of gasoline and diesel engines (Skoda Felicia, 1994-2001)

Repair without removal from the car - petrol engine 1.3 l
Common parameters
engine's type	Inline 4-cylinder, 4-stroke, liquid-cooled
Engine code
central injection (SPFI), low compression ratio	135V
Distributed injection (MPFI), low compression ratio	135M
central injection (SPFI), high compression ratio	136V
Distributed injection (MPFI), high compression ratio	136M
Internal 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
Ignition order	1-3-4-2 (starting counting 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)
135 V 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 axle and the cover, mm
Rated value	0.02÷0.06
Maximum allowable	0.15
Between the teeth of the driven and driving gears, mm
Rated value	0.014÷0.050
Maximum allowable	0.1
Between the ends of the gears and the pump cover (axial play), mm	0.1
Tightening torques for threaded connections	Nm
Bolt of fastening of an adjusting level of a basic arm of the generator to a head of cylinders *	26
Alternator Lower Support Bracket Nuts	24
Nut of fastening of a cover of the bottom head of a rod	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 up to 90°
Stage 3	Pull another 90°
Cylinder head nuts
Equipped with washer	26
Self-locking	24
Distributor shaft shank bolts	8
Bolts of fastening of the engine to a transmission	45
Fixture of the left support of a suspension bracket of the power unit
Front bolt	60
front nut	55
rear bolt	55
Fixture of the right support of a suspension bracket of the power unit	50
Nuts of fastening of a reception pipe of system of release of the fulfilled gases to a flange of a final collector	20
Nuts of fastening of a final collector to the cylinder head	25
Flywheel mounting bolts (new) *
Stage 1	30
Stage 2	Pull up to 90°
Flywheel cover bolts	10
Knock sensor	20
Main bearing cap bolt	75
Oil pressure switch	55
Fixture of assembly of an oil receiver of the oil pump with the strainer	8
Nuts of a cover of pushers	4
Bolts of a casing of a back epiploon of a cranked shaft	8
Wheel bolts	110
Cylinder head cover nuts	3
Bolts of fastening of an axis of yokes	30
Bolts of fastening of the pallet crankcase of the engine	10
Oil pan drain plug	65
Timing chain cover bolts	8
Valve Regulator Locknuts	18
*Use with fixative sealant
Repair without removal from the car - petrol engine 1.6 l
Common parameters
Common parameters	Inline 4-cylinder, 4-stroke, liquid-cooled
Engine code	AEE
Ø cylinders, mm	76.5
Piston stroke, mm	86.9
Working volume, cm³	1598
Ignition order	1-3-4-2 (starting counting 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:
bar Ø, mm
Internal spring	2.50
Outer spring	3.75
W springs
Internal spring	18.50
Outer spring	26.75
Free length, mm
Internal spring	43.60
Outer spring	45.85
Compression force up to a height of 30 mm, N (kGs)
Internal spring	108÷127 (11÷13)
Outer spring	299÷385 (30.5÷36.5)
Lubrication system
Oil pump type	Installed in the oil pan, chain driven by the crankshaft
Minimum operating oil pressure, bar	2.0 (at 2000 rpm and 80°C)
Pressure of operation of the sensor-switch of a control lamp, bar	0.15÷0.35
Maximum permissible backlash of engagement of gear teeth, mm	0.2
Maximum allowable axial play of gears, mm	0.15
The amount of deflection of the normally tensioned oil pump drive chain when pressed on it in the area in the middle between the sprockets, mm	4
Tightening torques for threaded connections	Nm
Alternator mounting bolts	23
Bolts of fastening of a basic arm of the generator to the engine	45
Accessory Belt Tensioner Pulley Bolt	45
Bolt of fastening of a tensioner of an auxiliary driving belt to an arm	25
Connecting rod cap bolts:*
Stage 1	30
Stage 2	Pull up to 90°
Camshaft bearing cap bolts 1	10
Camshaft bearing cap nuts:
Stage 1	6
Stage 2	Pull up to 90°
Cylinder head cover bolts	10
Camshaft sprocket bolt:*
Stage 1	20
Stage 2	Reach 90°
Crankshaft main bearing cap bolts:
Stage 1	65
Stage 2	Pull up to 90°
Bolts of a casing of an epiploon of a cranked shaft	10
Head bolts for fastening the pulley to the crankshaft gear	20
Bolt of fastening of a cogwheel of a cranked shaft (with lubricated thread):*
Stage 1	90
Stage 2	Pull up to 90°
Cylinder head bolts:
Stage 1	40
Stage 2	60
Stage 3	Pull up to 90°
Bolts for fastening the guide tube of the dipstick for measuring the level of impellent oil	10
Bolts of fastening of lifting eyes of the power unit	20
Bolts of fastening of the right support of a suspension bracket of the power unit to the block of the engine:*
Stage 1	40
Stage 2	Pull up to 90°
Bolts of fastening of the right support of a suspension bracket of the power unit to a body	50
Bolts of fastening of the engine to transmission	45
Fasteners of the left suspension support of the power unit:
Front bolt	60
front nut	45
rear bolt	45
Fasteners of the rear suspension support of the power unit:
Front through bolt nut	45
Rear Thru Bolt Nut (to subframe)	77
Bolts of the right support of a suspension bracket of the power unit	50
Fasteners of a final collector	25
Bolts of fastening of a casing of the device of heating of the soaked-up air from an exhaust manifold	9
Fixture of a reception pipe of system of release of the fulfilled gases to a final collector	25
Flywheel mounting bolts:*
Stage 1	60
Stage 2	Pull up to 90°
Knock sensor	20
Oil pressure switch	20
Oil pump mounting bolts (from the timing belt)	20
Oil pump bracket bolts	10
Oil separator mounting bolts	10
Wheel bolts	110
Bolts of fastening of the pallet crankcase	15
Oil pan drain plug	30
Timing belt cover bolts*	10
Bolts of fastening of a guard of a timing belt / water pump	20
Bolts for fastening the inner cover of the timing belt to the cylinder head	10
Timing belt tensioner locknut	20
* Fasteners must be replaced without fail
In-Vehicle Repair - Diesel Engine
Common parameters
Engine code	AEF
Ø cylinders, mm	79.5
Piston stroke, mm	95.5
Working volume, cm³	1896
Ignition order	1-3-4-2 (starting counting 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 allowable	26
Maximum allowable difference between cylinders	5
Lubrication system
Oil pump type	Installed in the oil pan, driven directly from the countershaft
Minimum operating oil pressure, bar	2.0 (at 2000 rpm and 80°C)
Maximum allowable backlash of the gear teeth of the pump, mm	0.20
Maximum allowable axial play of gears, mm	0.15
Tightening torques for threaded connections	Nm
Bolts of fastening of a basic arm of the generator to the engine	25
Accessory belt tensioner adjusting bolt	10
Auxiliary drive belt tensioner pulley bolt (with left hand thread)	20
Bolts of fastening of assembly of a tensioner of an auxiliary driving belt to an arm	20
Connecting rod cap bolts:*
Stage 1	30
Stage 2	Pull up to 90°
Camshaft bearing cap nuts	20
Cylinder head cover nuts	10
Camshaft gear bolt	45
Water pump pulley bolts	25
Bolts of fastening of a casing of a forward epiploon of a cranked shaft:*
Top bolt	10
bottom bolts	25
Crankshaft main bearing cap bolts:
Stage 1	65
Stage 2	Pull up to 90°
crankshaft pulley bolts	25
Bolts of fastening of a casing of a back epiploon of a cranked shaft	10
Crankshaft gear bolt (greased):*
Stage 1	90
Stage 2	Pull up to 90°
Cylinder head bolts:
Stage 1	40
Stage 2	60
Stage 3	Pull up to 90°
Stage 4	Pull another 90°
Bolts for fastening the guide tube of the dipstick for measuring the level of impellent oil
bottom bolt	45
Top bolt	100
Bolt of fastening of a lifting eye of the power unit	20
Bolts of fastening of the right support of a suspension bracket of the power unit to the block of the engine	45
Bolts of fastening of the right support of a suspension bracket of the power unit to a body	50
Bolts of fastening of the engine to transmission	45
Fasteners of the left suspension support of the power unit:
Front bolt	60
front nut	45
rear bolt	45
Fasteners of the rear suspension support of the power unit:
Front through bolt nut	45
Rear Thru Bolt Nut (to subframe)	77
Nuts fastening the exhaust pipe of the exhaust system to the exhaust manifold	40
EGR valve bolts	25
Nuts of fastening of a final collector to a head of cylinders	25
Flywheel mounting bolts:*
Stage 1	60
Stage 2	Pull up to 90°
glow plugs	25
Bolts / nuts for fastening the injection pump	25
Bolts of fastening of a cogwheel of TNVD	25
Injection tube fittings	25
Intake pipe cover bolts	10
Bolts of fastening of an inlet tube/pipeline	25
Bolts of fastening of a casing of an epiploon of an intermediate shaft	25
Bolt of fastening of a cogwheel of an intermediate shaft	45
Nut of fastening of an oil cooler	25
Oil filter support bracket bolts	25
Oil pressure switch	25
Screws of fastening of a cover of the oil pump	10
Oil pump mounting bolts	25
Screws of fastening of an oil pick-up tube of the oil pump	10
Piston Oil Spray Sprayers (put on fixative liquid)	10
Wheel bolts	110
Oil pan drain plug	30
Bolts of fastening of the pallet crankcase	20
Timing belt inner cover bolts to cylinder head	10
Bolts of fastening of the bottom cover of a timing belt	10
Timing belt tensioner locknut	20
Vacuum pump pinch bolt	20
* Fasteners must be replaced without fail
Dismantling of the power unit and overhaul of the engine
cylinder head
The maximum allowable out-of-flatness of the mating (cushioning) surface, mm
Gasoline engines	0.05
Diesel engines	0.1
Minimum allowable repair head height (only for 1.6 l engines), mm	135.6
Maximum allowable protrusion of swirl chambers (only for diesel engines), mm	0.05
valves
Engine 1.3 l
Seat Angle	45
plate Ø, mm
intake valves	34
exhaust valves	30
rod Ø, mm
Nominal	8.00
Repair	8.25
Spring free height, mm
Internal spring	43.60
Outer spring
Engines 135	45.85
Engines 136	46.5
Engine 1.6 l
Seat Angle	45
plate Ø, 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 unit	Chain Number of Bearings
Ø bearing journals, mm
Anterior neck (pulley side)	38.950÷38.975
Central neck	38.450÷38.475
back neck (flywheel side)	29.959÷29.980
Internal 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 backlash of a camshaft, mm	0.020÷0.066
External Zh pushers, mm
Rated value	20.980÷21.000
Repair value (in excess)	21.193÷21.200
Internal Ø sockets for landing pushers, mm
Rated value	21.000÷21.021
Repair value (in excess)	21.200÷21.221
Valve timing (135V/135M/136V/136M):
intake 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 play, mm	0.15
Maximum allowable runout, mm	0.01
Maximum allowable clearance in bearings, mm
diesel engine	0.11
Gas engine	0.10
Valve timing:
Engines 1.6 l:
intake valves:
opening	8°after TDC
Closing	32°after BDC
Exhaust valves:
opening	27°before BDC
Closing	3°before TDC
Diesel engines:
intake 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	Aluminium alloy
Internal Ø of cylinders, mm
Rated value -class A	75.500
Rated value -class B	75.510
Rated value -class C	75.520
Tolerance to nominal value	+0.009/-0
The value of the protrusion of the liners above the plane of the cylinder block, mm
Rated value	0.07÷0.12
Maximum allowable difference between cylinders	0.04
Engine 1.6 l
Material	Cast iron
Internal 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
Internal 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
piston Ø, mm
Rated value -class A	75.475
Rated value -class B	75.485
Rated value -class C	75.495
Diametric tolerance (for all pistons)	±0.009
Piston fit clearance in cylinder, mm	0.025
Clearances of landing of piston rings in grooves, mm
Top 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
Limit value	1.0
Oil scraper ring
New ring	0.20÷0.35
Limit value	1.0
Ø piston pins, mm	19.997÷20.000
Piston pin hole Ø, mm	19.998÷20.007
Engine 1.6 l
piston Ø, mm
Nominal size	76.470
1st repair size	76.720
2nd repair size	76.970
3rd repair size	77.220
Gap of landing of piston rings in grooves, mm
Compression rings	0.04÷0.08 (tolerance limit: 0.15)
Oil scraper ring 1-piece ring	0.04÷0.08 (tolerance limit: 0.15)
3 section ring	Not subject to measurement
Clearances in piston ring locks, mm
Top compression ring
New ring	0.20÷0.50
Limit value	1.0
Lower compression ring
New ring	0.40÷0.70
Limit value	1.0
Oil scraper ring
1-piece ring
New ring	0.25÷0.50
Limit value	1.0
3 section ring
New ring	0.40÷1.40
Limit value	Not specified
Ø piston pins, mm	16.997÷17.000
Piston pin hole Ø, mm	17.002÷17.006
diesel engine
piston Ø, mm
Nominal size	79.480
1st repair size	79.73
2nd repair size	79.98
Gap of landing of piston rings in grooves, mm
Top compression ring	0.09÷0.12 (tolerance limit: 0.25)
Lower compression ring	0.05÷0.08 (tolerance limit: 0.25)
Oil scraper ring	0.03÷0.06 (tolerance limit: 0.15)
Piston ring gaps, mm Upper compression ring	0.20÷0.40 (tolerance limit: 1.2)
Lower compression ring	0.20÷0.40 (tolerance limit: 0.6)
Oil scraper ring	0.25÷0.50 (tolerance limit: 1.2)
Required type of gasket to be installed:
Piston protrusion in position TDC: 0.66÷0.86 mm Gasket with 1 hole/notch
Piston protrusion in position TDC: 0.87÷0.90 Gasket with 2 holes/marks
Piston protrusion in position TDC: 0.91÷1.02 Gasket with 3 holes/marks
Ø piston pins, mm	16.997÷17.000
Piston pin hole Ø, mm	17.002÷17.006
All engines
Ø valve lifters, mm
Nominal	20.080÷21.000
Repair	21.193÷21.200
Ø holes for pushers, mm
Nominal	21.000÷21.021
Repair	21.200÷21.221
connecting rods
Engine 1.3 l
Ø holes in the upper head for the piston pin, mm	19.999÷20.005
Engine 1.6 l
The value of the minimum allowable preload bearing shells, mm	1.5
Ø holes in the upper head for the piston pin, mm	17.01÷17.02
Diesel
Axial play of the lower head, mm	0.37
Ø holes in the upper head for the piston pin, mm	17.01÷17.02
Crankshaft
Engine 1.3 l
Number of main bearings	3
Ø 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 liners of radical bearings, mm
Nominal size	2.495
1st repair size	2.620
2nd repair size	2.745
3rd repair size	2.870
Tolerance (for all bearings)	+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 shells of connecting rod bearings, mm
Nominal size	1.490
1st repair size	1.615
2nd repair size	1.740
3rd repair size	1.865
Tolerance (on all inserts)	+0.000 to -0.07
Clearance in connecting rod bearings, mm	0.019÷0.060
Width of the 1st main neck, 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
Tolerance (for all pucks)	+0.000 to -0.010
Axial backlash of a cranked shaft, mm	0.04÷0.1
Engine 1.6 l
Axial backlash of a cranked shaft, mm
new shaft	0.07÷0.18
Limit value	0.20
Ø main journals, mm
Nominal size	54.00
1st repair size	53.75
2nd repair size	53.50
3rd repair size	53.25
Tolerance -0.022 to -0.037
Clearance in main bearings, mm
Rated value	0.03÷0.08
Limit value	0.17
Ø crankpins, 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
Rated value	0.006÷0.047
Limit value	0.091
diesel engine
Axial backlash of a cranked shaft, mm
new shaft	0.07÷0.17
Limit value	0.37
main journals, mm
Nominal size	54.00
1st repair size	53.75
2nd repair size	53.50
3rd repair size	53.25
Tolerance -0.022 to -0.042
Clearance in main bearings, mm
Rated value	0.03÷0.08
Limit value	0.17
Ø crankpins, mm
Nominal size	47.80
1st repair size	47.55
2nd repair size	47.30
3rd repair size	47.05
Tolerance	from -0.022 to -0.042
Maximum allowable clearance in connecting rod bearings, mm	0.08