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pork hunt drifting Rising Star

pork hunt drifting

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Posted

As it says WTF I started my car up thismorning and heard sum noises from the engine so I turned it off and popt the bonnet. I started it again to diagnose problem and thought my clutch fan was stuft coz it wasn't moving and then I noticed the crank wasn't turning. WTF it doesn't make any sence to me. How can my engine run fine? With this problem?

Anyone?

Isn't it imposible for the crank pully to slip?

Ahhhhh help?

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chef_stagea Grand Master

chef_stagea

Posted
Posted (edited)

the harmonic balancer (where all the ancinary belts line up to, sits on a key... so if the crank moves it MUST move... unless its fallen off? of been undone... the pistons run off the crank so it has to be moving...

so the fan, alternator and power steering pump are all not spinning yes?

Edited by chef_stagea
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pork hunt drifting Rising Star

pork hunt drifting

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ive done a timing belt on one before and no how hard they are to get off. ive had quick feel and it seems quite tight. im gonna start stripping the belts off and other shit in my way take it off and have a good look.

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pork hunt drifting Rising Star

pork hunt drifting

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well they crank pully had the slightst bit of play in it and has now stript the key off the crank. im in the shit now arnt i

where to go from here dont tell me i need a new crank. is there any way to repair this.

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chef_stagea Grand Master

chef_stagea

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Posted

U my friend need to start saving for an rb 30 bottom end! I'm unsure if it's 2 price or sumthing but if it were to be repaired it would b very weak! I'm mid timing belt drama diagnosis myself!

well they crank pully had the slightst bit of play in it and has now stript the key off the crank. im in the shit now arnt i

where to go from here dont tell me i need a new crank. is there any way to repair this.

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pork hunt drifting Rising Star

pork hunt drifting

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thats so gay i just got the car back on the road a few weeks ago and was hangn for this cruise thats cumn up.

i might start pulling the engine out then. dont think ill be doin an rb30 bottom end as much as i would like to.

ill prob have to redraw on mortgage and fix crank put a 3076 on it while the motor is out and go from there.

so devo right now

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260tech Proficient

260tech

Posted
Posted

Last weeks' "Quokka" (West Aust trading post type paper) had an RB26 for sale in the Skyline bits section, $7k & 700hp according to the details in the adv. Dunno if that is still for sale & I do not have the paper at hand but someone else on the forum may, if you are interested Brendan?

Good luck with your fix anyway

GW

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pork hunt drifting Rising Star

pork hunt drifting

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hmmmmmmmm so dont wana replace the crank but think i have to.

to do it myself or not to do it myself?

im gona pull the motor our and put new turbo on. just not feeling confident about doin bottom end work.

ive done a bottom end rebuild on a twin cam isuzu in a gemini. but that was a gemini.

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KiwiRS4T Grand Master

KiwiRS4T

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Before you start pulling the engine out get some professional advice from a machine shop. Myself I would look at welding the harmonic balancer to the crank before i started pulling out a perfectly good motor but there might be a better way!

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pork hunt drifting Rising Star

pork hunt drifting

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Before you start pulling the engine out get some professional advice from a machine shop. Myself I would look at welding the harmonic balancer to the crank before i started pulling out a perfectly good motor but there might be a better way!

i was thinkn of tryn to weld it on but i dont think it would be possible to do with the bolt in the way. and without the bolt in it might not be on straight. duno ill have to ring around tomoz. might just pul the turbo off untill i find out more

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RubyRS4 Grand Master

RubyRS4

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Posted

Its an easy fix mate. Buy a replacement key from Nissan. Remove radiator, remove pulley and bits of broken key. I suspect the key is actually missing and engine eventually worked crank bolt loose. I can assist if needs. No need to remove engine or buy new one. It'll be a $5 part. Ruby

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lachlanw Veteran

lachlanw

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yeah you dont need a new crank . even if its a bit scuffed nothing you couldnt dress down with bit of grinding paste . go get a new key and put it all back on woth some of that liquid metal or bearing retaining compound

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pork hunt drifting Rising Star

pork hunt drifting

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Its an easy fix mate. Buy a replacement key from Nissan. Remove radiator, remove pulley and bits of broken key. I suspect the key is actually missing and engine eventually worked crank bolt loose. I can assist if needs. No need to remove engine or buy new one. It'll be a $5 part. Ruby

now thats what i want to hear. so is the key part seprate from the crank? il have to have a good look tomoz. i just finished removing my turbo ready for the 3076 to go in.

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pork hunt drifting Rising Star

pork hunt drifting

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oah i thought it was part of crank cause instead of having a slot in the crank where that key bit would go i now have a bit of a hole.

ill clean it up tomoz order the part from work and see if i can get away with it. whats the worst that could happen

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32TAXI Experienced

32TAXI

Posted
Posted (edited)

Woodruff key is only for locating harmonic balancer, bolt holds balancer on!

Very common after timing belt replacement, Especially RWD vehicles :domokun: (FWD usually has easy access for rattle gun).

No one removes starter motor to lock crank for correct tension on bolt!

Remove balancer, line up tdc on crank, fit new key(glue if req), line up tdc on balancer, tension bolt to specs!

Have done a few, inc above or full removal of crank, spray weld snout and re cut slot, but no warranty applies either way!

My advise: try it, if it slips again buy a new crank!

Edited by RED513
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