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Assembly Instructions: Notes

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Pairing numbers or identification for cylinder head, cylinder head cover and camshaft bearing saddles.

The cylinder head, cylinder head cover and camshaft bearing saddles are machined together and must therefore always be installed together. Observe pairing numbers.

Fig 1: Locating Cylinder Head Pairing Number
G03092357Courtesy of PORSCHE OF NORTH AMERICA, INC.
  1. Pairing number of cylinder head cover
  2. Pairing number of cylinder head
  3. Pairing number of the two bearing saddles
Fig 2: Identifying Pairing Number Of The Two Bearing Saddles
G03092358Courtesy of PORSCHE OF NORTH AMERICA, INC.
NOTE:
  • The letters E or A before pairing numbers mean:
  • E = Bearing saddle for inlet camshaft
  • A = Bearing saddle for exhaust camshaft

Presumable camshafts 

The inlet camshaft, exhaust camshaft, chain tensioner and chain must be preassembled before installation in the cylinder head.

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