Installing hydraulic valve for camshaft adjustment

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NOTE:

Always replace O-ring of the hydraulic valve and the retainer plate!
Observe installation position of the hydraulic valve!

Replace the O-ring of the hydraulic valve and coat the new O-ring with engine oils. Insert hydraulic valve into the cylinder head, paying attention to the installation position (groove on valve -arrow- faces the dowel pin in the cylinder head).

Fig 1: Identifying Groove On Hydraulic Valve
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Dowel pin in cylinder head

Fig 2: Locating Dowel Pin In Cylinder Head
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Coat seal of the retainer plate with engine oil and slide it over the hydraulic valve.
Fit both M6 pan-head screws (hexagon socket a/f 5) complete with holder -A- on the valve and tighten the screws.

Fig 3: Identifying Holders
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Tightening torque 10 Nm (7.5 ftlb.)
Push the cable plug onto the hydraulic valve again. Make sure that the plug audibly engages.
Fit the side shield on the respective side of the engine. Put on and tighten the two M6 hexagon-head bolts for this purpose.

Fig 4: Fitting Side Shield On Respective Side Of Engine
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Tightening torque 10 Nm (7.5 ftlb.)
On cylinder side 4 - 6, refit the holder for the rear muffler and re-install the rear muffler. Refer to REMOVING AND INSTALLING REAR MUFFLERS .
Tightening torque for M8 hexagon-head bolts 23 Nm (17 ftlb.)