420SEL (126.035) V8-4.2L (116.965) (1986)
5
Coat sealing ring on counter-ring with brake cylinder paste and push counter-ring with chamfered side (arrow) into carefully cleaned mounting
bore of impeller.
6
By means of a chamois leather, remove all dust from the sealing surface of the counter-ring and sliding ring seal.
7
Grease shaft stub of coolant pump shaft and bore in impeller.