Working On The Engine - Porsche 911 GT3R 2010 Technical Manual

3.8.

Working on the engine

3.8.1. Connecting-rod bolt mounting instructions
 Thoroughly clean the mating faces, bolt threads and the tapped
bores with cleaning grade petrol and nylon brush
 Smear PLB 05 grease on the bolt threads and mating faces
Tightening procedure:
 Tighten both bolts to 25 Nm
 Loosen one bolt and fit the bolt strain gauge
Tighten to the required elongation: + 0.160 – 0.005 mm

 With a torque wrench check to see if a minimum torque of 55 –
90 Nm was achieved
 Loosen the second bolt and follow the above mentioned
sequence
The bolts can be used three times if the above mentioned tightening
procedure is adhered to.
The connecting rods have a coated surface. Care must be taken that no
visible damage occurs to the connecting rod surface when dismantling
and assembling the engine.
DO NOT polish the connecting rods.
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