Contents Section: DOHC Petrol Engine All sections

How to Replace the Piston Rings Opel Frontera A

Piston Rings, Replace

.D. ICON01.tif0,750,75tiff;; Remove, Disconnect

Piston with con - rod - see operation 'Piston with Con - rod, Remove and Install'.

Piston rings - use commercially available piston ring pliers (1).
.P. E5087.tif97,5tiff;;
.D. ICON05.tif0,750,75tiff;; Clean

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

.D. ICON06.tif0,750,75tiff;; Inspect

Piston ring gap clearance - use feeler gauge.

Insert piston ring at narrowest point on cylinder bore.

Piston ring heights - use feeler gauge in piston ring groove.

Permissible dimensions - see 'Technical Data'.
.P. E5088.tif97,5tiff;;
.D. ICON02.tif0,750,75tiff;; Install, Connect

New piston rings with 'Top' uppermost - use commercially available pliers.

Position ring gaps:

I - Compression rings 180° to each other as illustrated.

II - Offset oil control rings 25 to 50 mm / 1 to 2 in. from gap of second compression ring.
.P. E5295.tif97,5tiff;;
.D. ICON02.tif0,750,75tiff;; Install, Connect
Push piston into cylinder bore with hammer shaft - see operation 'Piston with Con - rod, Remove and Install'.
.P. E5089.tif97,5tiff;;