{ENGINE_TYPE} Dimensions and Wear Limits (Articles)

<big>Dimensions and wear limits of various VAG engines</big>




3-cylinder PD engines (AMF, ANY, AYZ, BAY)

4-cylinder PD engines (AJM, ANU, ARL, ASZ, ATD, ATJ, AUY, AVB, AVF, AWX, AXR)

10-cylinder PD engines (AJS, AYH)

4-cylinder CR engines (AUH, BCQ)

8-cylinder CR engines (AKF, ASE)

4-cylinder VEP engines

5-cylinder VEP engines

6-cylinder VEP engines




3-cylinder PD engines
New 25..31 19 ="top">19
Max.7.0 0.07..0.17 see 1 see 1 <tdvalign>
0.03..0.08 see 1 Level III 53.25 ign="top">
47.80see 1see 1 Level I Level II 47.30 valign="top">
Connecting rod on crankshaft (in mm)
Piston (diameter in mm)Nominal size76,46 Cylinder Bore (Diameter in mm) Piston Rings Clearance (in mm) 1. Oil deflector ring 0.25..0.50 0.25..0.5 0.25..0.5 n="top">
0.06..0.09 0.25
Piston overhanging in OT (in mm) 0.91..1.0 0.91..1.0 0.91..1.0 1.11..1.20 1.11..1.20 Axial play max. Inlet opens after OT Outlet opens before UT 18.7Valve Operation Play (in mm)Max.1.3

	AMF, BAY	ANY AYZ	Compression pressure (in bar)	25..31 25..31
Wear limit	19 <td valign
	Max. Difference	5	5
			Oil Pressure (at min. 80°C oil temperature in bar)
5.8	7.0		Min. at 2000 rpm 2.0 2.0td>	2.0
	Overpressure Valve Pump	11.5	11.5	11.5
Axial Play (in mm)	New
	Wear Limit	0.37
Crankshaft Radial play (in mm)	New
Wear limit	0.17
Crankshaft Bearings (Diameter in mm)	Basic Size	54.00	see 1	see 1
	Level I 53.75
Level II	53.50
Connecting rod crankshaft (diameter in mm)	Nominal size
			47.55
	Level III	47.05
Maximum axial play	0.37	0.37	0.37
Maximum radial play	0.08		,08	0,08
			79,47	76,46
				Level I
79,97				td>
Base Dimension	79.51	76.51	76.51
	Compression ring New Wear	0.25..0.40 1.0	0.20..0.35	0.20..0.35
	2. Compression ring New Wear	0.20..0.40 1.0	0.90..1.15	0.90..1.15
	New Wear	1.0		<td valig
Piston Rings Clearance (in mm)	1. Compression Ring New Wear	0.06..0.09 0.25	0.25 0.06..0.09
2.	Compression ring New Wear	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25
	Oil scraper ring New Wear	0.03..0.06 0.15	0.03..0.06 0.15	0.03..0.06 0.15
	Level I
Level II	1.01..1.10 1.01..1.10	1.01..1.10		Level III
	1.11..1.20
				Camshaft (in
mm)	0.15	0.15	0.15
Radial play max.	0.11	0.11	0.11
Schlag max. 0.01 0.01 0.01 Steuerzeiten bei 1 mm Ventilhub (in degrees)	15.8	12.8
Inlet closes after UT	25.3 22.3
28.2	27.6			Outlet closes before OT
13.			6	13.6
			1.3	1.3

1. : The crankshaft should not be removed. Even removing the crankcase cover bolts can cause deformation.
the bearing supports. Due to these deformations, the clearance between the bearing and the cylinder block is reduced. Even if the bearing shells are not replaced,
can arise from changes in the bearing clearance.

If the cylinder head cover nuts have been loosened, the entire cylinder block with the crankshaft must be replaced.




4-cylinder PD engines
25..3119 5 5 5 5 5 5 5 5 5 5 5 5 5 5valign="top">2.0
12.0 12.0 12.0 12.0 12.0 12.05.05.05.05.05.05.0 5.0 0.07..0.23 >0.30
0.37 0.30 0.30 Crankshaft Radial play (in mm) Kurbelwellenlagers (Diameter in mm) 54,00 Stufe I<b 53.50 53.50 53.50 53.50 53.50 53.50 53.25 53.25 53.25 53.25 53.25 53.25 td valign="top">
Connecting rod crankshaft (diameter in47.5547.5550.6550.6547.5550.65 Level IIgn="top">47.30
Level III0.37Maximum radial play. 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 Base Dimension 79.51 79.51 79.51 79.51 79.51 79.51 80.01 0.25 0.25 0.25
0.03..0.06
0.03..0.06 0.15
Piston Overhang in OT (in mm)
Level I 0.91..1.0 Level III 0.110.110.110.110.110.110.110.110.110.11
Valve opening time at 1 mm stroke (in degrees) 15.8 gn="top">25.3

Auslaß closes before OT1718.718.7>
Valve Stem Play (in mm)

		AJM, AVF	ANU, AVB	ARL	ASZ	ATD	ATJ	AUY	AWX, AXR
Compression pressure (in bar)	New	>	25..31	25..31	25..31	25..31	25..31	25..31	25..31
	Wear limit	19	19	19	19	19	19	19	19
	Max. Difference		5	5	5	5	5	5	5
5	5 5	5	5	5	5	5	5	5	5
5 5	5 5	5	5	5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5{MARKERtd>	7,0	7,0	7,0	7,0	7,0
	Minimum at idle	0,8	0,8	0,8	0,8	0,8	0,8	0,8	0,8
	Minimum at 2000 RPM	2,0	2,0	2,0	2,0	2,0	<td
	Overpressure Valve Pump	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
12.0			Overpressure Valve Filter
5.0
Crankshaft Axial play (in mm)	New	0.07..0.17	0.07..0.17	0.07..0.23	0.07..0.23	0.07..0.23	0.07..0.17	0.07..0.23
Wear limit	<td valign="top"	0.37	0.30	0.30	0.37
New	0.02..0.04 0.03..0.08	0.03..0.08			0.02..0.04	0.02..0.04	0.02..0.04	0.03..0.08	0.02..0.04
	Wear Limit	0.15	0.17	0.17	0.15	0.15	0.15	0.17	0.15
								td>
Grundmaß	54,00		54,00	54,00	54,00		54,00
53,75	53,75	53,75	53,75	53,75		53,75
r>	Level II
	Level III
mm)	Plot area	47.80	47.80		50.90	50.90	47.80		50.90
	Level I
	47.30	<td vali	50.40	50.40	47.30		50.40
	47.05	47.05		50.15	50.15	47.05		50.15
						<b
Connecting rod on crankshaft (in mm)	Maximum axial play.	0.37	0.37	0.37	0.37	0.37	0.37	0.37	0.37
			0.08	0.08	0.08	0.08	0.08	0.08	0.08 0.08
		{MARKER9.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72
79.72 79.72	79.72 79.72 79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72	79.72 79.72	79.72 79.72	79.72 79.72
79.72 79.72	79.72 79.72 79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72	79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72 79.72			Cylinder Bore (Diameter in mm)
79.51	79.51								Level I
79.76	79.76 79.76	79.76	79.76	79.76	79.76			br>	79.76
	Stage II	80.01	80.01	80.01	80.01	80.01	80.01	80.01	80.01
Piston Rings, Compression Test (in mm)	1. Compression ring New Wear	0.25..0.40 1.0	0.20..0.40 1.0	0.20..0.40 1.0	0.20..0.40 1.0	0.20..0.40 1.0	0.25..0.40 1.0		0.25..0.40 1.0
	2. Compression ring New Wear	0.25..0.40 1.0	0.20..0.40 1.0	0.20..0.40 1.0	0.20..0.40 1.0	0.20..0.40 1.0	0.25..0.40 1.0		0.25..0.40 1.0
	Oil deflector ring New Wear	0.25..0.50 1.0	0.25..0.50 1.0	0.25..0.50 1.0	0.25.. 0.50 1.0	0.25..0.50 1.0	0.25..0.50 1.0		0.25..0.50 1.0
Piston rings Clearance (in mm)	1. Compression ring New Wear	0.06..0.09 0.25	0.06..0.09 0.25	0.06..0.09 0.25	0.06..0.09 0.25	0.06..0.09 0.25	0.06..0.09 0.25		0.06..0.09 0.25
	2. Compression ring New Wear	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08	0.05..0.08
0.05..0.08	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25	0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.05..0.08 0.25 0.03..0.06 0.15	0.03..0.06 0.15		0.15
			0.91..1.0	0.91..1.0	0.91..1.0 0.91..1.0.91..1.0 0.91..1.0 0.91..1.0 0.91..1.0 0.91..1.0 0.91..1.0		Level II	1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10 1.01..1.10
1.11..1.20 1.11..1.20 1.11..1.20 1.11..1.20 1.11..1.20
					>	1,11..1,20	1,11..1,20	1,11..1,20	1,11..1,20
Camshaft (in mm)	Maximum axial play	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
	Maximum radial play	0.11	0.11	0.11	0.11	0.11	0.11	0.11	0.11
0.11	0.11
0.11	0.11 0.11 0.11 0.04 0.01 0.01 0.01 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 {d>
	Inlet opens after OT		14	15.8	15.8
	Inlet closes after UT	27		25.3			25.3
	Auslaß opens before UT	30	28.2	28.2			28.2
					<td valign="top"		18.7
Max.	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3	1.3

10-cylinder PD engines
Compression pressure Wear limit Oil pressure (at least 80°C oil temperature in bar) Max. Min. at idle Overpressure valve pumpWear Limit
0.17 Connecting rod bearings (diameter in mm) Level I Level IIIgn="top">
Connecting rod on crankshaft (in mm)Maximum axial playvalign="top">0.37
New 2. td valign="top">
Maximum radial play0.11Maximum impactTiming at 1 mm valve lift (in degrees)Inlet opens after OT

AJS, AYH	(in bar) New
	Max.
	Difference
Min. at 2000 rpm
		Overpressure valve
	Filter
Crankshaft Axial Play (in mm)	New	0.07..0.17
	Wear Limit	0.37
Crankshaft Radial Play (in mm)	New	0.03..0.08
Basic size
	Level II
Connecting rod bearing crankshaft (diameter in mm)	Nominal size
	Stage I
	Stage II
	Stage III
	Radial play max.	0.08
Piston (diameter in mm)	Base size
	Level I
	Level II
CylinderBore diameter (in mm)	Base size
Level I
Level II
	Piston rings Clearance (in mm) 1. Compression ring	Wear
	Compression Ring New Wear
	Oil Control Ring New Wear
Piston Rings Clearance (in mm)	1. Compression Ring New Wear
	2. Compression ring New Wear
	Oil scraper ring New Wear
Piston overhanging in OT (in mm)	Level I
	Level II
	Level III
	Camshaft (in mm)
Maximum axial play	0.15
0.01
12
/b>	Inlet closes after UT	21.5
	Outlet opens before UT	30
	Outlet closes before OT	20.5
Valve travel (in mm)	Max.	1.3

4-cylinder CR engines
3 Overpressure valve pumpvalign="top">New
0.080 Wear Limit Crankshaft Radial Play (in mm) New 70,00069,75069,50069,25055,000valign="top">Level I
Axial play max.Radial play max.93.00093.022 lign="top">
Piston Ring Height Clearance (in mm)valign="top">1. Compression Ring New
Wear

0.080 1.130 2. Compression Ring New Oil scraper ring 0.030 0.065 Level I gn="top">Level II
0.04 r> align="top">Outlet closes before OT 5.0
Valve guide, play (in mm)

		AUH, BCQ
Compression pressure (in bar)	New	28
	Wear limit	23
	Max. Difference
	Oil pressure (at least 90°C oil temperature in bar)	Max.
Min. at 3800 rpm	4
Crankshaft axial play (in mm)
0.251
0.044	Wear Limit	0.098
Crankshaft Bearings (Diameter in mm)
/td>	Base Dimension
	Level I
	Level II
	Level III
Connecting Rod Crankshaft (Diameter in mm)	Base Dimension
	54,750
	Level II	54,500
	Level III	54,250
		Connecting rod on crankshaft (in mm)
0,251
0,098
Piston (diameter in mm)	Nominal size
	Stage I
Cylinder bore (diameter in mm)	Nominal size
	Stage I
Piston Rings Clearance (in mm)	1. Compression Ring New Wear	0.30...0.55 1.0
	2. Compression Ring New Wear	0.30...0.55 1.0
<td
Wear	0.070 0.105	New Wear
	Bore overstroke in mm
<td vali
	Level III
Camshaft (in mm)	Axial play max.	0.16
	Radial play max.	0.16
		Impact max.
Valve opening times at 1 mm stroke (in degrees)	Inlet 1 opens after OT	5.3
	Inlet 1 closes after UT	32.0
	Inlet 2 opens after OT	3.7
	Inlet 2 closes after UT	31.7
	Outlet opens before UT	55.6
Max.

8-cylinder CR engines




AKF, ASE Compression pressure Wear limit 23 7.0 Min. at 2000 rpm 5.6 0.090..0.251 <td valign="top">
0.018..0.045 0.10 64.99 65.00 Connecting rod bearing crankshaft (diameter in mm) 58.00 Connecting rod on crankshaft (in mm) Axial play max. Radial play max. r> Cylinder bore (diameter in mm)Piston Rings Clearance (in mm)
0.39..0.49 Camshaft (in mm)Maximum axial playMaximum radial playMaximum impactExhaust opens before UTExhaust closes before OTValve guide Pivot play (in mm)

		(in bar)
New 30..33
	Max.
	Difference	5
Oil pressure (at a minimum of 80°C oil temperature) in cash)	Max.
2.0		Overpressure Valve Pump
	Axial play (in mm)	New
	Wear limit	0.28
Crankshaft Radial Play (in mm)	New
	Wear Limit
Crankshaft Bearings (Diameter in mm)	Main Bearing 1
	Main Bearing 2..5	d>
	Base size
	0.44
	0.079
Piston (diameter in mm)	Base dimension
	Level I
Base dimension
Level I
		1. Compression Ring New Wear	0.29..0.35 0.5
	2. Compression Ring New Wear	0.70..0.90 1.2
	Oil scraper ring New Wear	0.25..0.50 0.8
Piston Ring Height Clearance (in mm)	1. Compression ring New Wear
	2. Compression ring New Wear	0.045..0.085 0.110
	Oil scraper ring New Wear	0.025..0.065 0.090
Cylinder overhanging in OT (in mm)	Level I
	Stage II	0.49..0.54
	Stage III	0.54..0.65
	0.15
	0.085
	0.04
		/td>
Valve timing at 1 mm stroke (in degrees)	Inlet opens after OT
Inlet closes after UT
	Max.	1.0

Date: 2003.10. This list does not claim to be complete or accurate.