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Gtir Motorsport club » Tech room » Help and Advice » CRB or something else?

CRB or something else?

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26 Re: CRB or something else? on 15th November 2016, 2:26 pm

Mr B

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gtir technician
gtir technician
What kit that in a blue print kkk one ?

27 Re: CRB or something else? on 15th November 2016, 3:15 pm

mike74

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Stage 2 competition clutch (purchased from Conceptua Tuning). I asked them about the CRB and they said they were aware what a ball ache it would be to have to replace it on a pulsar if it went so they specifically chose a good quality bearing...
the kit even came with an alignment tool and pilot bearing! Smile

28 Re: CRB or something else? on 16th November 2016, 12:14 pm

Mr B

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gtir technician
gtir technician
^
sounds like they on the ball, being jap bearing it should be fine .
stage 2 cc gives quite a heavy pedal as cover is heavy sprung as organic lining, i prefer the stage 3 cc, stage 2 to 4 sprung hub type are all good kits though .

29 Re: CRB or something else? on 17th November 2016, 8:20 pm

mike74

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Well after parting with £815 I finally picked the car up with its shiny new clutch tonight. First impressions of it are that it's reasonably heavy, very similar to the helix organic in my last R. Bad news is that after me asking them to check it out, I've got an advisory on the ticket saying 'gearbox noisy'!!
FFS!!!!!!!!!
So two questions now...how long might the input bearing last for and can it be replaced without removing the box AGAIN? I saw a how to on the OC instructing you to lower the box+engine down and to pull the end casing off the box to expose the innards. Can the bearings and seal be changed after doing that? Allegedly you can get to that stage within a couple of hours...
Cheers again guys Smile

30 Re: CRB or something else? on 17th November 2016, 8:26 pm

johnny gtir

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moderator
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Up to you but if bearings worn I would get the whole box checked then trouble free motoring. The above might work but I personally would not fancy doing it that way

31 Re: CRB or something else? on 17th November 2016, 8:49 pm

Cosmic73

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Worn bearings create more debris and misalignment which causes more debris and misaignment.
Id get em changed soon as,

32 Re: CRB or something else? on 17th November 2016, 11:08 pm

mike74

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Cool, some good advice there guys. I'm going to give the garage a hard time tomorrow and see what can be done. Worst comes to the worst there's someone on gumtree (maybe whytie?) offering reconditioned boxes and even offers to fit them too so that could be an option.
I'll update tomorrow night, cheers guys

33 Re: CRB or something else? on 18th November 2016, 9:02 am

Mr B

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gtir technician
gtir technician
So what was state of old release bearing and clutch ?
What noise is now present ?
Bit inconvenient refitting box if bearings indeed overly noisy, did they check input float/axial & radial play as that easy with dial gauge and even by hand you get a feel if it well off.
What fluid used in box ? what condition of old oil and debris in he oil ?

34 Re: CRB or something else? on 18th November 2016, 9:56 am

mike74

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I've got absolutely no idea Mr B! I'm going to pop in past on the way home to see what they're saying as all I know just now is 'gearbox noisy'! Sad

35 Re: CRB or something else? on 18th November 2016, 10:30 am

Mr B

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gtir technician
gtir technician
Can you here much noise from it, take it noise related to work commencing resolved ?

36 Re: CRB or something else? on 18th November 2016, 10:52 am

mike74

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Sorry, had to pop out for a meeting!  Sad

The stiff gears issue has been resolved now and clutch is working fine. The bearing noise is still there though. The noise seems to be slightly worse when everything is cold too. The noise disappears when you apply some pressure to the clutch; doesn't have to be fully depressed.

I honestly don't know if they checked it while the box was off the car or not but I DID ask them to. Anything with a rough/noisy bearing I've dealt with in the past you could either feel by hand or hear so im guessing they just changed the clutch and then realised it was the box to fault afterwards?! b@$tards!
I must admit that I was wondering how they diagnosed it as being the clutch before any work started but thought they knew best.

If I can't get an arrangement made with the garage then I think i'll be going for that refurbed box off gumtree and (hopefully) get it fitted by that guy too  Smile

I'm really not impressed though. If they'd told me about the issue when the box was off I could've got another fresher one and got them to put that in instead; saving me the labour of another box change  Sad

37 Re: CRB or something else? on 18th November 2016, 11:51 am

Mr B

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gtir technician
gtir technician
That does suck, in some cases it easy know it release prior to strip down .
Normal practice at minimum test input shaft buy hand and more so as asked for it be reviewed .
Does noise go away totally when clutch full depressed and car parked and running and returns as soon as clutch released !

38 Re: CRB or something else? on 18th November 2016, 11:59 am

mike74

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indeed! Sad
yeah, noise disappears when clutch fully depressed

39 Re: CRB or something else? on 18th November 2016, 12:02 pm

Cosmic73

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garage have really let you down, a simple 5 minute check could've save you days of time and cash,
Crying or Very sad

40 Re: CRB or something else? on 18th November 2016, 12:17 pm

Mr B

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gtir technician
gtir technician
Does indeed sound like needs a basic overhaul.
as cosmic said they let you down really .
No idea what refurb box is on gumtree but wouldn't go that route myself really.
Good effort box refurb soon spends £350+ in parts alone. needs be done right and in some ways you best reviewing your gearset before swapping to something that possibly worse.
The R box is easy work on and set up really so just need good fussy builder .
Your garage likely much cheaper if had pull box again .

41 Re: CRB or something else? on 18th November 2016, 12:27 pm

mike74

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this is the ad for the box, I think its Whytie off here?
https://www.gumtree.com/p/car-replacement-parts/nissan-pulsar-gtir-gearbox/1199540401

42 Re: CRB or something else? on 18th November 2016, 12:42 pm

mike74

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This is an extract from the email I sent the garage just before the wife dropped the stuff off to them:

"There’s a `Y’ shaped support bracket underneath the inlet manifold which (I believe) has to come off to get access to some transfer case (?) bolts.
IF you do need to remove this bracket, please throw it in the bin, it just gets in the way of everything behind the engine and is a b@ll ache to remove & refit.

While the gearbox is off can you give it a quick once over to make sure the input shaft bearing is ok and there’s nothing obvious wrong or away to go wrong with it? I’m sure you guys will do this anyway"

As well as refitting the noisy gearbox, they also left the 'Y' bracket on too fuming  suicide

43 Re: CRB or something else? on 18th November 2016, 12:57 pm

johnny gtir

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moderator
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Trust very few fooking garages me there thick as shit and don't care hence I learnt to do it myself

Don't be fooled by performance garages again at least half just means a bigger bill at the end

44 Re: CRB or something else? on 18th November 2016, 1:58 pm

Mr B

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gtir technician
gtir technician
^
unfortunately that is very true, performance garages sometimes just means guy better at the chat and billing :-/
You got be on ball and deal face to face really.
Gearbox ia actually easier rebuild at home than the engine and any competent home wrench can tackle it easily and many will do better than your average gearbox shops .
How you tackle gearbox is up to you and your circumstances but I wouldn't buy any used gearbox for £500 without seeing it personally with end casing off. most these days are good for spares or rebuild but lucky find one worth bolting straight in a car .
If your gearset in good condition you better putting £500 towards rebuild.
As garage fooked up I think they should remove it for free ... won't take him long now he lost his R box cherry :-)

45 Re: CRB or something else? on 18th November 2016, 6:34 pm

Cosmic73

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Mr B's right. Do it yourself at home, its not as hard as you think.
Download the gearbox workshop manual, go through it step by step, take your time and ask us for any advice.
We've covered a quite a few rebuilds now so theres lots of expert knowledge.

However you will need a bearing puller, a bearing press (and a dial indicator if its just your input bearings).
If your just not confident or dont have the time/tools then someone on the forums might help you. If you were closer to the Midlands i would.

46 Re: CRB or something else? on 18th November 2016, 6:53 pm

mike74

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TBH, I have neither the confidence or specialist tools to even attempt this at home. I'm sure I could take it apart just not put it back together.

A bit of positive news from the garage though (after allegedly not even seeing my email!). They agree the box is noisy and without admitting it in so many words are going accept limited liability. They said they would work out a deal for me to swap the box out. When I mentioned the gumtree deal they said they wouldn't do anything with the box itself but would also swap it for £250 assuming I deal with sourcing the replacement. Not great but at least it's not going to be another 800 quid to swap it. I just have to find a replacement now as I sincerely doubt anyone around here has any experience with shitter gearboxes!
Suggestions on the back of a SAE envelope please Smile

47 Re: CRB or something else? on 18th November 2016, 7:38 pm

Cosmic73

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Is it your daily driver?
If you can live without it for a few weeks you could courier it to me and ill replace the input bearing(s) and seal for you.

48 Re: CRB or something else? on 18th November 2016, 7:59 pm

mike74

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Daily driver unfortunately. I'm standing here with my mate though and he's saying he would give me a lift. I'll speak to the garage tomorrow and if they're ok with holding the car I'll take you up on that VERY generous offer cosmic, cheers mate Very Happy

49 Re: CRB or something else? on 18th November 2016, 8:14 pm

johnny gtir

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moderator
moderator
If you were closer I would drop box out for you for a lot less than that

50 Re: CRB or something else? on 19th November 2016, 1:48 pm

mike74

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The saga continues...garage not keen on stripping car to then have to partially reassemble in order to move it. It's looking like I'm going to have to get another box and get that checked before the car goes back to garage.
Sad

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