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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 639 (3.2L - Crankshaft & Cylinder Block - Engine Code(S): CALB) >> 13 Crankshaft, Cylinder Block >> Piston And Connecting Rod >> Pistons, Removing And Installing >> Removing

Pistons, Removing And Installing: Removing

WARNING: This page is about a different car, the 2012 Audi Q5, 2011 Audi Q5, 2010 Audi Q5, and 2009 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove engine.

-- For information on securing the engine on the engine stand, refer to ENGINE, SECURING ON ENGINE AND TRANSMISSION HOLDER .

-- Cylinder head, removing, refer to CYLINDER HEAD, REMOVING AND INSTALLING .

-- Remove the oil pan upper section, refer to OIL PAN UPPER SECTION, REMOVING AND INSTALLING .

NOTE:

Due to the separation procedure (cracking) of the connecting rod, the connecting rod bearing cap only fits in one position and only to the corresponding connecting rod.

Mark installed position and cylinder allocation.

CAUTION:

The coating on the piston crown could be destroyed.

  • Mark the allocation to the cylinder on the piston crown with paint to install used pistons. Do not mark the piston crown with a punch, notch or similar object.

-- Mark the piston installed position and the cylinder to which the piston belongs.

Fig 1: Marking Piston Crowns With Paint
GWWV13-0860Courtesy of AUDI OF AMERICA, LLC
CAUTION:

The coating on the piston crown could be destroyed.

  • Mark the allocation to the cylinder on the piston crown with paint to install used pistons. Do not mark the piston crown with a punch, notch or similar object.

-- Mark the connecting rod and connector rod bearing caps to each other and to the cylinder -arrow- with paint for installation.

Fig 2: Arrows On Piston Heads Point To Belt Pulley Side
GWWA13-0466Courtesy of AUDI OF AMERICA, LLC
NOTE:

Only replace the connecting rods as a set.

-- Remove the connecting rod bearing cap and pull the piston and connecting rod upward.

NOTE:

If difficult to move, heat pistons to approximately 60 °C.

-- Remove the locking ring from the eye of the piston bolt and remove the piston bolt with the Pilot Drift VW222A.