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Tapping/knocking Noise From Rb26

Angus Smart

By Angus Smart,
in Engines & Forced Induction

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wrxhoon Grand Master

wrxhoon

Posted
Posted
yes if your crank pulley (aka harmonic balancer) is 'out of balance' and noisy then my advice is very simple. start saving. :P

check your balance bolt is done up tight, as it comes loose it will make a noise which sounds like a bearing is stuffed in the PS pump or something. it wont take long for the balancer to wreck the keyway it's located on, and if you are really unluckly things only get worse from there.

BB surely his mechanic friend would pick up a loose h/balancer, he should be able to see that himself!!

Angus Smart Grand Master

Angus Smart

Posted
  • Author
Posted

thanks guys, it sounds about right what your explaining, its only been happeneing for a week or so, and i've maybe done an hours driving at most. got to get to kirawee tomorrow morning and it should be safe.. i hope!

i'll make note of him to check that out, amoung other things.

thanks again.

700HP-GTR33 Mentor

700HP-GTR33

Posted
Posted

My key that fits the harmonic balancer just decided to break a few months ago.

Result was new harmonic balancer and key...the sound was like a rattle in the front end of the motor.

The balancer was still working..(on that is..lol)....not working well though.

3 weeks after thatI heard some other rattles..this was getting worse every day.Turned out the drive shaft bolt(main)..was just about to fall off....the thing was wobbling like a drunk..lol

Result..no damage...2 bolts now..one on top of each other..problem fixed.

4 weeks after my exhaust bolts decided to drop off...ffs....rattled a little before it dropped..lol.

I had not noticed one had dropped off and though nothing of it..until both went.

Result..two new bolts with 2 others for support on top.

A friend of mine suggested I should get a tyre gun and tighten everything up.....with the force put on the car

at even half throttle just shakes,breaks or losens up all the bolts.

Anyway...could be lots of things..good luck finding out.

Edited for bad spelling

Angus Smart Grand Master

Angus Smart

Posted
  • Author
Posted (edited)

Well it made it to the workshop this morning. and i gave him a short list of things to sort out. fingers crossed all will be ok.

if not i'm going to need someone to write me a nice email in japanese to a company over there to get myself a new 34Nur long motor. seems like its the cheepest option out of the lot.

My key that fits the harmonic balancer just decided to break a few months ago.

Result was new harmonic balancer and key...the sound was like a rattle in the front end of the motor.

The balancer was still working..(on that is..lol)....not working well though.

this sounds rather similar to what i had going on.

Edited by Angus Smart
Angus Smart Grand Master

Angus Smart

Posted
  • Author
Posted (edited)
oh, and andrew stock pistons do have AA stamped on the top. I've seen AA4 too.

I will try get a look if i get it back before i go away, The auction report says that there is n1 but wether thats true or not.

might get myself one of them boroscope things to have a peek inside.

theres auction report link from years ago. And your comment, i.e. Circuit thrashed sllluuut i think it translates to.

http://www.skylinesaustralia.com/forums/t83683.html

Edited by Angus Smart

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