Hi guys, a mate of mine has recently bought a 2005 Navara dirt cheap with a knocking bottom end. The guy he bought it from put it to a local garage when it started knocking and decided not to fix it when he saw what they found when they took the sump off!
Anyway to cut a long story short number 4 big end shell is in bits, the crank is heavily scored and the con rod is cracked. All the other shells are knackered but they've not damaged the other 3 journals on the crank.
We've taken the engine out tonight and mounted it on a stand ready to strip.
We've sourced a reground crank with new big end shells and main bearing shells to suit. It's been ground to 0.25 I believe. Also on it's way is a head gasket and a connecting rod. I will be ordering ARP con rod bolts/studs as well.
I'm wondering if there is anything else I will need to order to do the job? Bearing in mind we're trying to keep the cost down as much as possible. Clutch is in good nick and there are no oil leaks from crank seals etc so we'll probably just reuse them. We've decided to reuse the timing chain and we're going to strip and clean the oil pump while it's apart. The engine has been serviced religiously so the rings should be good and the top end should be fine.
Oh and when the time comes we will need torque settings for the head, main bearings, big ends, flywheel etc etc...
Any help or advice will be much appreciated.