Rebuild ?? - GT-R Register - Official Nissan Skyline and GTR Owners Club forum

GT-R Nutter · 29th August 2006, 05:40 PM

What constitutes a rebuild on a turbo ??

I have a pair of R34 turbos gathering dust, waiting to be installed.
I bought them off a chap who said they have no shaft play etc, which seemed true as when I got them I tried moving the shaft and there was no play. Is this the correct way of determining shaft play, as I was cleaning them up the other day to find that they both have about 1-2mm movement.

Your thoughts please

Andy Hornsby · 6th September 2006, 03:02 PM

Too much play mate. I'd say there fubar!

R32 Combat · 6th September 2006, 03:18 PM

Should roller bearing turbos have any play at all???

I shouldn't think so.

Abbey M/S · 6th September 2006, 04:50 PM

Yep rollers have more play than plain bearings.......but 1-2mm is to much...

GT-R Nutter · 6th September 2006, 06:36 PM

I've been told that because they've been sat for a while the oil that's in the bearings may have drained ? I'm not sure as I dont know the signs of failure.
could this be true ?

paul cawson · 6th September 2006, 06:58 PM

Put some oil in the oil feed and spin them over they do dry out.

GT-R Nutter · 6th September 2006, 07:49 PM

cheers - can the lack of oil make them a bit "Wobbly" then ?

paul cawson · 7th September 2006, 05:58 PM

Not 2mm wobbly but it does improve play

GT-R Nutter · 16th September 2006, 06:02 PM

If I wanted to replace my turbo's, but keeping with the twins; is it a difficult job ??

stealth · 17th September 2006, 06:09 AM

Quote:

Originally Posted by GT-R Nutter

If I wanted to replace my turbo's, but keeping with the twins; is it a difficult job ??

Quite along job ,depends on who's doing it .

GT-R Nutter · 17th September 2006, 01:53 PM

probably me

29th August 2006, 05:40 PM	#1 (permalink)
GT-R Nutter GTR Register Member Join Date: Apr 2006 Location: Kings Lynn, Norfolk Posts: 208	Rebuild ?? What constitutes a rebuild on a turbo ?? I have a pair of R34 turbos gathering dust, waiting to be installed. I bought them off a chap who said they have no shaft play etc, which seemed true as when I got them I tried moving the shaft and there was no play. Is this the correct way of determining shaft play, as I was cleaning them up the other day to find that they both have about 1-2mm movement. Your thoughts please

6th September 2006, 03:02 PM	#2 (permalink)
Andy Hornsby GTROC Member Join Date: Mar 2003 Location: Blyth, Northumberland. Posts: 3,100	Too much play mate. I'd say there fubar! __________________ GTROC Northern Trackday Rep. http://www.gtr.co.uk/forum/109777-my-1996-r33-gts-t.html

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6th September 2006, 03:18 PM	#3 (permalink)
R32 Combat New Users Join Date: Jan 2004 Location: Berkshire Posts: 4,357	Should roller bearing turbos have any play at all??? I shouldn't think so.

6th September 2006, 04:50 PM	#4 (permalink)
Abbey M/S GTR Register Member Join Date: Feb 2002 Location: The workshop... Posts: 1,964	Yep rollers have more play than plain bearings.......but 1-2mm is to much...

6th September 2006, 06:36 PM	#5 (permalink)
GT-R Nutter GTR Register Member Join Date: Apr 2006 Location: Kings Lynn, Norfolk Posts: 208	I've been told that because they've been sat for a while the oil that's in the bearings may have drained ? I'm not sure as I dont know the signs of failure. could this be true ?

6th September 2006, 06:58 PM	#6 (permalink)
paul cawson New Users Join Date: Jul 2003 Location: Essex Posts: 2,098	Put some oil in the oil feed and spin them over they do dry out.

6th September 2006, 07:49 PM	#7 (permalink)
GT-R Nutter GTR Register Member Join Date: Apr 2006 Location: Kings Lynn, Norfolk Posts: 208	cheers - can the lack of oil make them a bit "Wobbly" then ?

7th September 2006, 05:58 PM	#8 (permalink)
paul cawson New Users Join Date: Jul 2003 Location: Essex Posts: 2,098	Not 2mm wobbly but it does improve play

16th September 2006, 06:02 PM	#9 (permalink)
GT-R Nutter GTR Register Member Join Date: Apr 2006 Location: Kings Lynn, Norfolk Posts: 208	If I wanted to replace my turbo's, but keeping with the twins; is it a difficult job ??

17th September 2006, 01:53 PM	#11 (permalink)
GT-R Nutter GTR Register Member Join Date: Apr 2006 Location: Kings Lynn, Norfolk Posts: 208	probably me