Engine - Chain Tensioner, Defective Gasket

85mercedes01
TO: OUR MERCEDES-BENZ PASSENGER CAR DEALERS

DATE: March 1985 REF. NO. 05/56

SUBJECT: CHAIN TENSIONER GASKET ENGINES 116.962/963 AND 117.963 MODELS 107.045 AND 126.03/04


Between December 1983 and May 1984, gaskets were installed on the chain tensioner which may swell and develop oil leaks.
Affected Engines

Engine Engine end number
from to

116.962 024154 - 029900
116.963 043426 - 052533
117.963 041953 - 054431

Figure 11 - Modified gasket with "elring" imprint 2 - Previous gasket:

Vehicles with the affected engines should have the gasket (2, Figure 1) replaced (under warranty) during the next service or repair work. Mark the chain tensioner flange with blue paint after repairs.

The modified gasket can be identified by the "elring" imprint.. The part number is the same.
Parts Information


Part Name Part Number

Gasket with "elring" 116 052 03 80
imprint
Stocks of the gasket 116 052 03 80 without "elring" imprint should be returned to your PDC. In addition, replace the gasket in the following repair-and gasket kits if found without the "elring" imprint:

117 050 09 11 117 010 10 80
116 010 00 80 117 010 11 80
116 010 01 80

All gaskets removed from your stock are to be returned to your PDC no later than March 29, 1985.


Time Allowance

02-0510 11 Chain Tensioner Gasket, Replace 0.8 hr.
O2-0510 51-55 Chain Tensioner Gasket, Replace 0.5 hr.

02-0511 11 Chain Tensioner Gasket, Replace 0.5 hr.
(with Maint. or Engine Work)

02-0511 51-55 Chain Tensioner Gasket, Replace 0.4 hr.
(with Maint. or Engine Work)