Piston, Installation

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Special tools and workshop equipment required

Piston Installation FunnelT10333

Procedure

Fig 1: Identifying Alignment Bushing

Courtesy of AUDI OF AMERICA, LLC

Proceed as follows:

-- Before Installation pistons, remove fitting sleeve -arrow- from its hole.

Location of cylinder 1, 3, 5 pistons:

Fig 2: Identifying Piston And Cylinder Positions

Courtesy of AUDI OF AMERICA, LLC

Deep valve recesses -1- face toward center of cylinder block.
Arrows -3- faced toward belt pulley side.

Location of cylinder 2, 4, 6 pistons:

Deep valve recesses -2- face toward center of cylinder block.
Arrows -3- faced toward belt pulley side.

-- Slide correct piston for each cylinder from above into Piston Installation FunnelT10333 until the short side of the piston -arrow- rests about 15 mm out of lower edge of installation tool.

Fig 3: Identifying Piston Position In Piston Installation Funnel

Courtesy of AUDI OF AMERICA, LLC

-- Position pistons in appropriate cylinder hold with piston installation tool. High side of tool -arrow- must face toward center of cylinder block.

Fig 4: Placing Funnel Securely On Cylinder Block And Slide Piston Completely Into Cylinder Bore

Courtesy of AUDI OF AMERICA, LLC

-- Position piston installation tool securely on cylinder block and slide piston completely into cylinder hole.

-- After Installation piston, reinsert fitting sleeve in hole -arrow-.

Fig 5: Identifying Alignment Bushing

Courtesy of AUDI OF AMERICA, LLC