Dismantling and assembling pistons connecting rod

No.

Designation

Removal

Installation

1

Connecting rod nut

Tightening torque: 1 st stage: 25 Nm (18 ftlb)

2nd stage: 1 x 90° tightening angle Threads and mating surface must be oiled lightly

2

Connecting rod cap

4

Observe correct matching numbers

3

Lower big end bearing insert

4

Always replace used bearing inserts

4

Snap ring

8

Lever out, making sure snap ring does not spring away, e.g. by covering with a rag

Observe correct seating

5

Piston pin

4

6

Piston

4

Mark installation position

Oil lightly. Observe installation position and tolerance groups

7

Connecting rod with connecting rod bolts

4

Observe matching number, identification S 3 engraved on side

8

Upper big end bearing insert

4

Always replace used bearing inserts

9

Small end bushing

4

10

Piston ring, 1 st groove Plain compression ring with internal chamfer, 0.4 wide, 45°

4

Lettering faces up

11

Piston ring, 2nd groove Taper faced ring with internal chamfer 0.8 wide, 45°

4

Lettering faces up

12

Piston ring, 3rd groove Narrow-land spring-loaded oil ring with tubular spring

4

Lettering faces up

Identification mark:

Reinforced transition area from stem to bolt head seating surface

Porsche Classic Models

Porsche Classic Models

The History of Porsche Cars through its generational changes. A must have ebook for any Porsche fanatic, this ebook is a reference book for Porsche enthusiasts. Discover all there is to know about the greatest Porsches ever made. All models are fully described and illustrated providing a definitive production history plus an accurate guide to original specs and equipment.

Get My Free Ebook


Post a comment