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TR parts and Triumph parts, TR bits, Triumph Car Spares and accessories are available for TR2, TR3, TR3A, TR4, TR4A, TR5, TR6, TR7, TR8, Spitfire and Stag and other TR models are available from British car spares and parts company LBCarCo.

Triumph TR3 - TR-3 main bearing

Hello to all,
has anyone ever replaced the mainbearings on a TR-3 with the engine in the car? The Bently repair book says it can be done. I cant see how the bearing cap close to the flywheel can be removed with the gearbox in place?
Denny

Sure can! I have done this many times. It's a tight fit but once the two main cap bolts are removed start
wiggling the bearing cap and it will come out. Why are you replacing mains? They usually don't wear much in a TR engine without causing scoring on the crank. Normally if you need mains you really need a bottom end overhaul.

good luck, steve
Steve Yott

This thread was discussed between 07/09/2000 and 08/09/2000

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