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Technical
Service
Letter No 51

Passenger Car Service Letter - 1963 Series - No 51


Anglia Range
(Export)
24th April 1963

Connecting Rods with Larger Bolts

anglia New "Anglia" (1959 onwards) (997cc engine only)

From approximate engine number - 105E-588929
the connecting rods have been modified to incorporate larger big end bolts.

Current connecting rods can be identified by the length of the bolts, 1 3/4 in (44.45mm) approximately, and their thread size 11/32 – 24 – UNF – 3A compared with the length, 1 5/8 in (41.3mm) approximately, and thread size 5/16 – 24 – UNF – 3B of the former.

Although it is physically possible to fit a small diameter bolt to a current connecting rod, and possibly tighten the bolt to the correct torque, the thread of the bolt will strip in service. Therefore it is essential that only a 11/32 bolt is fitted to a current connecting rod and tightened to a torque of 20 to 25 lb.ft (2.76 to 4.1 kg.m)

The part numbers of the current and former connecting rods are tabulated below:-

Description Current Part No Former Part No
Connecting Rod .. .. .. .. .. .. .. .. 105E-6200-C 105E-6200-B
Bolt (connecting rod big end) .. .. 116E-6215 105E-6215-B
Plate (connecting rod locking .. .. 116E-6216 105E-6216-B

service letter service letter

A copy of Service Letter No 51 can be downloaded below

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