How to Replace the Piston Rings Opel Calibra I

Piston Rings, Replace

Remove piston with con-rod - see operation

"Piston with Con-rod, Remove and Install".

Remove piston rings with piston ring pliers (1).

Piston ring grooves - use ground-down side of old piston ring.

Piston ring clearance - with feeler gauge.

Insert piston ring at narrowest point in cylinder bore.

Permissible ring gap:

Rectangular compression ring 0.3 to 0.5 mm.

Tapered compression ring 0.3 to 0.5 mm.

Oil scraper ring 0.4 to 1.4 mm.

Piston ring radial cleanrance - with feeler gauge in piston ring groove.

Permissible radial cleanrance 1.4 / 1.8 / 2.0 ltr. engine:

Rectangular compression ring 0.02 to 0.04 mm

Tapered compression ring 0.02 to 0.04 mm

Oil scraper ring 0.01 to 0.03 mm

Permissible radial cleanrance 1.6 ltr. engine:

Rectangular compression ring 0.02 to 0.04 mm

Tapered compression ring 0.04 to 0.06 mm

Oil scraper ring 0.01 to 0.03 mm

Insert new piston rings using commercially available piston ring pliers with code "TOP" on top in piston.

Piston ring position - piston rings (I) every 180°.

Oil scraper ring (II) - offset 25 to 50 mm/1 to 2 in. to left and right from gap of intermediate ring.

Push piston into cylinder bore with hammer shaft - see operation "Piston with Con-rod, Remove and Install".