How To Check Big End Bearings. Check con-rod tunnel size crank pin size bearing part number and size bearing location. Thankfully Ive a 460 in the boneyard with a good crank otherwise itd have been an even more costly repair.
Visual examination of bearing and journal for wear and scoring check the journal for ovality with a micrometer or digital calliper check the bearing clearance by measuring the crush on a short length of. Fingers crossed the crank bearings survived. The main bearings have oil holes that lubricate the journal.
Symptoms of Worn Out Engine Bearings.
There is a very small amount of updown play less than a mm is this normal as well or should it be tight. I have a video of the play but cant. Ive got a mk 1 sporting with what has been diagnosed as failed big-end bearings which makes a loud rattle. Answer 1 of 5.
