Well,
really need to replace the crank pulley on disco, idler bearing seized last year , replaced last Jan but then virus hit us so the poor old thing has been sorned ever since. Bearing stressed the pulley and after 12 months of just running on drive it delaminated and shredded the new aux belt!! Really MUST replace the pulley bought it in feb last year still sitting workshop. Right question the crank bolt is obviously tight and will need a long bar plus scaffold pole to undo ,no prob but HOW do I torque the new bolt up to 350 Lbs ft without a mega wrench my torque wrench maxes at 160! is there a trick/tweek that I can do!

nope u need a new torque wrench mate.

damn, the size I need they are close to 500 quid! reckon it would be cheaper to put in local garage!

Maybe get one of these for £30...
https://www.bushwear.co.uk/products/mudd...ghoC7HIQAvD_BwE
A five foot scaffie bar on a 3/4 drive Tbar and socket, pull it till it reads about 70lb.

Thats a helluva torque Paul... I see from a quick.look around that you are unlikely to find one at many garages either. I've read a few just tighten it up with a 6ft pry bar and pull.as hard as you two of you can! I suspect that is very hit or miss ! Maybe get it as tight as you can and get down an hgv fitters yard and get them to tighten/check it

thanks guys, yes that is a chunky torque! my worry is either the old bolt or new one will shear off!!

It’s your disco bud. Just put the new bolt in to the max torque of your wrench. Then blob a wee weld tack on it. And for those who will moan about an imbalance in weight then shave a wee bit off the bolt on the opposite side of the weld to even it out. Or take it to land rover and and get a bridging loan out whilst you get your second mortgage sorted to pay for land rovers bill. Lol

Quote: Mallinman wrote in post #7

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It’s your disco bud. Just put the new bolt in to the max torque of your wrench. Then blob a wee weld tack on it. And for those who will moan about an imbalance in weight then shave a wee bit off the bolt on the opposite side of the weld to even it out. Or take it to land rover and and get a bridging loan out whilst you get your second mortgage sorted to pay for land rovers bill. Lol

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I would recheck that 350Lbf/ft figure. Thats 474Nm and seems strupidy tight. Wheel bearing nuts are generally only 200Nm

@paulw Aye checking my defender workshop manual the crank bolt on that is only 199 lbf/ft , don't want to seem patronising, you sure that's not 350 Nm which is still a hefty 258lbf/ft

Mine has the old 19J engine mind. Another check with my glasses on . the 200 tdi crankshaft damper bolt 340Nm..251lbf/ft. 300tdicrankshaft pulley bolt 2 stage sequence 1st stage 80nm,59lbf/ft. 2nd stage angle tighten through 90degrees.

thanks , I will check it, my wrench only hits 160 Ils ft though!