Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 145/146 Engines, 146 Bodywork and Engine Overhaul Manual (1994-2001)12 · Engine overhaul: 3.0 V6 (AR16101)
12 · Engine

Dis-assembling the cylinder heads

Make
Alfa Romeo
Model
145/146 Engines, 146 Bodywork and Engine Overhaul Manual
Year
1994–2001
Section
Overhauling › Dis-assembling the cylinder heads
Engine overhaul: 3.0 V6 (AR16101)Dis-assembling the cylinder heads · page 1 of 2

DIS-ASSEMBLING THE CYLINDER HEADS

NOTE: The dis-assembly procedures described refer to the right-hand cylinder head. Proceed in the same way to dis-assemble the left-hand head.

PRELIMINARY OPERATIONS

  1. Clamp swivel support no. 1.820.012.000 (A.2.0195) in a vice.
  2. Install fork no. 1.820.050.000 (A.2.0360) on the swivel support.
  3. Fit the cylinder head on the fork studs and lock it in place using two suitable spacers and two nuts.
  4. Slacken the fastening screw and remove the engine lifting bracket.
Diagram showing cylinder head assembly with swivel support, fork, and engine lifting bracket. Part 1 is the swivel support (1.820.012.000), part 2 is the fork (1.820.050.000), and part 3 is the cylinder head.

When refitting, insert a new oil ring using tool no. 1.821.126.000 (A.3.0525).

Diagram showing tool 1.821.126.000 (A.3.0525) for inserting a new oil ring.

REMOVING THE CAMSHAFT

  1. Slacken the fastening nuts and remove the camshaft caps.
Diagram showing engine block with camshaft caps and fastening nuts. Torque specification: 16 + 18 Nm, 1.6 + 1.8 kgm.

16 ÷ 18 Nm
1.6 ÷ 1.8 kgm

REMOVING THE OIL PUMP DRIVE PULLEY (Specific for the right-hand cylinder head)

  1. Levering with tool no. 1.822.146.000, slacken the oil pump drive pulley fastening bolt.
  2. Withdraw the oil pump drive pulley and the corresponding shaft.
  3. Retrieve the toothed gear.
  4. Retrieve the spacer.
  5. Prise and remove the oil ring.

18 + 22 Nm
1.8 + 2.3 kgm

Diagram showing engine components with part numbers 1, 2, 3, 4, and 5. Part 1 is the oil pump drive pulley (1.822.146.000).

Parts & tools for this job For 1994 Alfa Romeo 145/146

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