Workshop Manuals Factory service & repair Alfa Romeo
01 1.7 16V Boxer engine (1712)02 1.9 JTD engine (1910)03 1.9 TD and TD Cat engine (1929)04 146 bodywork05 Engine overhaul: index and updates06 Engine overhaul: 1.3 and 1.6 Boxer (AR33501, AR33201)07 Engine overhaul: 1.7 16V Boxer (AR33401)08 Engine overhaul: 1.4, 1.6 and 1.8 Twin Spark 16V09 Engine overhaul: 2.0 Twin Spark 16V10 Engine overhaul: 1.9 JTD (AR32302)11 Engine overhaul: 1.9 TD (AR67501)12 Engine overhaul: 3.0 V6 (AR16101)13 Engine overhaul: 3.0 V6 24V (AR16102)14 Engine overhaul: 2.0 V6 Turbo (AR16202)
Alfa Romeo 145/146 Engines, 146 Bodywork and Engine Overhaul Manual (1994-2001)10 · Engine overhaul: 1.9 JTD (AR32302)
10 · Engine

Crankshaft reassembly

Make
Alfa Romeo
Model
145/146 Engines, 146 Bodywork and Engine Overhaul Manual
Year
1994–2001
Section
Overhauling › Crankshaft reassembly
Engine overhaul: 1.9 JTD (AR32302)Crankshaft reassembly
  1. Lower the tappet in question using tool no. 1.820.262.000.
  2. Assemble tool no. 1.860.724.001 to keep the tap-pets down.

NOTE: Direct the notches on the edge of the tap-pets to facilitate removal of the plate.

  • Remove the valve clearance adjustment pad and replace it with another one of suitable thickness.
  • Remove the tool used to keep the tappets lowered.
Diagram showing hand using tool 1.820.262.000 to lower a tappet, and tool 1.860.724.001 holding it down.

CRANKSHAFT REASSEMBLY

  • After assembling the crankshaft, fit the main bearings caps complete with half bearings.

NOTE: The main bearing caps are notched consecutively (from 0 to four starting from the engine front) to define their assembly position.

  1. Tighten the main bearing cap screws to the specified torque using tool no. 1.860.942.000 for angle tightening.
Diagram showing a wrench applying torque to a bolt on a crankshaft, with torque specifications 24 ÷ 26 Nm + 100° and 2.5 ÷ 2.7 kgm + 100° printed next to it.

24 ÷ 26 Nm + 100°
2.5 ÷ 2.7 kgm + 100°

ASSEMBLING PISTONS AND CONNECTING RODS

  1. Assemble tool no. 1.820.618.000 to make it possible to turn the crankshaft.
Diagram showing a tool (1.820.618.000) installed on the crankshaft to allow turning.
  • Assemble the piston rings using a suitable tool.
  • Connect the connecting rods to the corresponding pistons so that the number stamped on the big end (1a) faces the combustion chamber (1b) machined on the piston.
  • Assemble the gudgeon pins and fasten them with their circlips.
Diagram showing a piston with part 1a marked as the big end number and part 1b marked as the combustion chamber.
  • Turn the crankshaft using the tool installed previously until the cylinder concerned reaches its B.D.C.

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

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