Golf Mk5
Conventional conrods |
1 - | Piston rings |
q | Offset gaps by 120° |
q | Remove and install using piston ring pliers |
q | “TOP” faces towards piston crown |
q | Checking ring gap → Fig. |
2 - | Piston |
q | Checking → Fig. |
q | Mark installation position and cylinder number |
q | Arrow on piston crown points to pulley end |
q | Oil scraper ring, 2 part |
q | Checking ring-to-groove clearance → Fig. |
q | Install using piston ring clamp |
3 - | Conrod |
q | Renew as set only |
q | Mark cylinder number -B- |
q | Installation position: marking -A- faces towards pulley end |
4 - | Conrod bearing cap |
q | Mark cylinder number -B- |
q | Installation position: marking -A- faces towards pulley end |
5 - | Nuts |
q | 30 Nm + 1/4 turn (90 °) further |
q | Renew |
q | Oil threads and contact surface |
q | To measure radial clearance, tighten to 30 Nm but not further |
6 - | Bearing shell |
q | Note installation position |
q | Do not interchange used bearing shells |
q | Ensure retaining lug fits tightly in recess |
q | Upper bearing shell with oil drilling for piston pin lubrication |
q | Axial clearance new: 0.05...0.31 mm, wear limit: 0.37 mm |
q | Check radial clearance with Plastigage: new: 0.01...0.06 mm, wear limit: 0.12 mm. Do not rotate crankshaft when checking radial clearance |
7 - | Cylinder block |
q | Checking cylinder bores → Fig. |
q | Piston and cylinder dimensions → Chapter |
8 - | Conrod bolt |
9 - | Circlip |
10 - | Piston pin |
q | If difficult to remove, heat piston to 60 °C |
q | Remove and install with drift -VW 222A- |