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Mystery boost problem solved
http://www.gt4dc.co.uk/forum/viewtopic.php?f=2&t=4384
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Author:  two_OH_five [ Sun Jan 02, 2011 10:35 pm ]
Post subject:  Mystery boost problem solved

BAH,

I hoped that replacing the engine, brakes, superstrut etc etc would buy me some years of trouble free motoring..... I was wrong :(

My last trip resulted in a very tedious trip home with loads of vacuum but no boost :(
Turbo was making no turboey noises and the exhaust note was deafaning so I knew it wasn't a split hose :lol:

So today was investigation day

Nothing obvious externally and the turbo appeared to be reasonably intact so I pulled the downpipe off for a better look

What greeted me was this, could have been worse I suppose

Image
Image
Image

The pin on the wastegate has come clean off :shock:

Now bodged back together with an undersised nut and bolt (some bugger has nicked the batteries for my cordless drill so I had a bit of trouble 'drilling' the wastegate arm out :lol: )
Need to figure out a permanent solution now. I think turbo off and weld a clevis pin in place of the snapped off item. Hopefully the bodge will last until it warms up a bit

Author:  Diceman [ Sun Jan 02, 2011 11:42 pm ]
Post subject: 

That has been slowly failing on you steve - the nature of the rusted/clean shear indicates that.

At least your shaft hasn't snapped (ooo-eerrr mrs). Could be a right royal PITA to fix proper. Turbo removal and probably plenty of heat to removed turbine housing.






oh.... love to say I told you so :-)

Author:  TrackToyFour [ Mon Jan 03, 2011 1:27 am ]
Post subject: 

Hmmm, looks like a call to Mr Kershaw's turbo emporium is in order!

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