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turbo priming

 
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Johntom  



Joined: 30 Aug 2011
Posts: 18
Location: South Yorkshire

PostPosted: Thu Nov 03, 2011 7:16 am    Post subject: turbo priming Reply with quote

Hi
I have just finished replacing the turbo on my 1981 S2, (along with the cam belt and oil change etc, etc).

How do i prime the turbo with oil?

The haynes manual says 'remove the plugs from the manifold pressure switch', where is this located as the manual doesn't tell you ?
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Buwani 931  



Joined: 31 May 2004
Posts: 308
Location: Napa California

PostPosted: Fri Nov 04, 2011 11:07 am    Post subject: Reply with quote

I think they are referring to the boost switch on the upper pressure duct. That way you can crank the engine without it firing. Also remove plugs.
Shawn
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1980 931
That's thirty minutes away. I'll be there in ten.
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nwns  



Joined: 27 Sep 2008
Posts: 93
Location: Lancashire, UK

PostPosted: Fri Nov 04, 2011 9:28 pm    Post subject: Reply with quote

I just took the spark plugs out and cranked - it takes ages to get the pressure up in a fresh build. I thought it was going to burn out the starter.
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Pete
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Johntom  



Joined: 30 Aug 2011
Posts: 18
Location: South Yorkshire

PostPosted: Sun Nov 06, 2011 6:23 am    Post subject: Reply with quote

Hi
thanks for the replies. I removed the plugs etc and cranked a 3 or 4 times for a number of seconds until the oil pressure moved up to 4 bar ish. The car started ok and no obvious blue smoke (although i didn't drive the car). Just got to sort the vibration which can be felt through the car at tickover , engine mounts, any ideas ?
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