500SEL (126.037) V8-5.0L (117.963) (1984)
Timing Chain Tensioner: Customer Interest
Engine - Chain Tensioner, Defective Gasket
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)