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The mkiv Supra Owners Club

Bugger! Turbo problem


Guest Benny9

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Guest Benny9

Hi All

 

Well on this lovely day i decided to fit all my goodies to keep the car healthy after my recent bpu. New water pump, timing belt, uprated thermostat, adjustable cam pulleys, alloy pulleys, oil/oil filter, coolant. Great days work until my friend who helped do the work decided to check the 1st turbo for me as i said it felt a bit laggy on boost, when we saw this....[sHOCK][/sHOCK]

Bugger! [ANGRY][/ANGRY] no wonder it felt like crap:D

Anyway, now i'm on the look out for a jspec - 1st turbo if anyone has one ( will post in the wanted section aswell ), was wondering if i could fit a uk spec one instead? any problems with this? cheers.

IMG_2513.JPG

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Guest Benny9

Thanks for the advice guys. I thought it was knackered for sure. We'll have another look over the weekend to check what else could be causing the lagging issue. Cheers.

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  • 2 weeks later...
Guest Benny9

Hi All

 

Hoping someone could shed some light on my turbo problem, haven't driven her much since doing bpu but now I've started using the car again I've noticed a problem. Basically the 1st turbo kicks in fine until 3k but from 3k-4k the car feels completely lifeless and then I get a strong hesitation before the 2nd turbo kicks in? I've checked all vacuum hoses for leaks, recently changed the iacv vsv, checked the decats weren't blowing. is there anything else I should check? I was wondering if the fcd could cause any problems if wired incorrectly? i'm a bit gutted as I've got her looking the way I like now but she's not shifting as she should! any advice appreciated.

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Try checking the 2 large black rubber hoses between the turbos where the pipework runs parralel with the cam cover, there either side of the pipe numbered 14 in this pic

 

They look ok on the outside but close down inside.

 

http://www.mkivsupra.net/vbb/attachment.php?attachmentid=13946&d=1112559170

 

You might this useful

 

 

http://www.mkivsupra.net/vbb/showthread.php?35926-The-sequential-system

Edited by markssupra (see edit history)
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