Short Description
Also included in the 1988 Year Land Rover model improvements are the following items which are fully described to assist the workshop. The first operation, whilst not being part of the improvement programme is, nevertheless, a continuation of the policy to replace material gaskets, where practicable, with liquid sealants. The opportunity has, therefore been taken to include, in this Bulletin, the latest, most significant change under this policy.
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Rear main bearing cap sealing.
A change has recently been introduced to the method of sealing the rear main bearing cap. Hitherto sealing was accomplished using “T” shaped cork packing strips one each side of the cap. Sealing is now achieved by injecting “Hylosil” 102 (black) into the slots formally occupied by the packing strips. This material may also be used on all earlier engines where the caps were sealed with packing strips.
The method is as follows:-
1. With the sump removed, fit the main bearing cap and tighten the bolts to the correct torque, 130-136 Nm (96- 100 1bf.ft.).
2. Turn the crankshaft to bring numbers two and three pistons to Top Dead Centre so that the crankshaft webs will not obscure the rear bearing cap.
3. Using a suitable applicator, inject the sealant into the main bearing cap slot adjacent to the bearing cap bolt recess until it emerges from the upper end of the slot.
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