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HOMESERVICE MANUALSAUDI1996A4 BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALACCESSORY DRIVE BELTSCOOLING SYSTEM SPECIFICATIONS & DRIVE BELT ROUTINGIDENTIFICATIONENGINE IDENTIFICATION
1996 Audi A4 Base, Standard

Engine Identification

1996 Audi A4 Base, StandardSECTION Engine Identification
ENGINE/MODEL IDENTIFICATION

Year Model (Engine Code) Location
1996
A4 & A4 Quattro (2.8L V6 AFC) (1) Engine code is stamped on right side of engine block, between cylinder head and power steering pump.
1997
A4 (1.8L Turbo AEB) (2) Engine code is stamped on left side of cylinder block, above oil filter.
A4 & A4 Avant Quattro (2.8L V6 ACK & AHA) (3)(4) Engine code is located on flat surface of cylinder block, in front of right cylinder head.
1998
A4 (1.8L Turbo AEB) (2) Engine code is stamped on left side of cylinder block, above oil filter.
A4, A4 Avant Quattro & A4 Quattro (2.8L V6 AHA) (3)(4) Engine code is located on flat surface of cylinder block, in front of right cylinder head.
1999
A4 & A4 Avant Quattro (1.8L Turbo AEB) (2) Engine code is stamped on left side of cylinder block, above oil filter.
A4 & A4 Avant Quattro (2.8L V6 AHA) (3)(4)Engine code is located on flat surface of cylinder block, in front of right cylinder head.
2000
A4 & A4 Avant Quattro (1.8L Turbo ATW) (2) Engine code is stamped on left side of cylinder block, above oil filter.
A4 & A4 Avant Quattro (2.8L V6 ATQ) (4) Engine code is located on flat surface of cylinder block, in front of right cylinder head.
2001
A4 & A4 Avant Quattro (1.8L Turbo AWM) (5) Engine code is on left rear cylinder block.
A4, A4 Avant Quattro & A4 Quattro (2.8L V6 ATQ) (4) Engine code is located on flat surface of cylinder block, in front of right cylinder head.
(1) See Fig 1.
(2) See Fig 2.
(3) Identifying engine code with modified oil pump, on engine code AHA. On vehicles with VINs up to 8D-V-205 000, oil pump is mounted on front of engine, and driven directly by crankshaft. These engine can be identified by cylinder head cover "A". On vehicles with VINs from 8D-V-205 001 and on, oil pump is driven through a chain by crankshaft, and mounted inside oil pan. In addition, oil supply lines are mounted on camshaft bearing caps. These engines can be identified by cylinder head cover "B". See Fig 3.
(4) See Fig 4.
(5) See Fig 5.
Fig 1: Locating 2.8L V6 (AFC) Engine Code
G00304481Courtesy of AUDI OF AMERICA, INC.
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  • • The engine overheats, stalls repeatedly, or misfires under load.
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