dubwarrior2
Part of things
"Open up, its the filth"
Posts: 576
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Nov 27, 2017 20:15:22 GMT
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I'm rebuilding a vw 2.5tdi engine for my T4 transporter.
I had one seversl years ago and one of the biggest pains in the bum was the vaccuum pump.
On this it is bolted onto the cylinder head and a push rod is operated from the camshaft lobe.
These pumps fail and leak oil and make a hell of a clattery noise.
Sadly they arent repairable and new ones are expensive.
I'm tempted to get shot of it and blank the hole.
I think I read somewhere that transits use a rotary vaccuum pump operated off the auxilliary belt.
Do these need an oild feed and return line?
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fad
Posted a lot
Posts: 1,781
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Nov 27, 2017 20:22:03 GMT
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Don't they have integral vac & fuel pumps? As in fuel and vac in the same housing?
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dubwarrior2
Part of things
"Open up, its the filth"
Posts: 576
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Nov 27, 2017 20:26:56 GMT
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No thats the later pd engines. This is the old 5 cylinder Audi/vw/volvo unit  |
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Nov 27, 2017 20:31:24 GMT
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Hi, Or they may be driven off the back of the alternator, which makes for a different (read expensive) set up. Some older Peugeot engines had them driven off of a 'V' pulley bolted to the back of the camshaft, they might be easier to fit if you can find one.
Colin
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,714
Club RR Member Number: 34
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Nov 27, 2017 21:14:24 GMT
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Smiley transit ones are integral with the alternator, so aux belt driven as you require. Not hard to expensive to find, but don't have much of a reputation for being reliable either.
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Nov 27, 2017 21:31:58 GMT
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id just fit a new one, they last long enough
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fad
Posted a lot
Posts: 1,781
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No thats the later pd engines. This is the old 5 cylinder Audi/vw/volvo unit My mistake. My knowledge runs thin once they have a water pump fitted. |
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Nov 28, 2017 20:13:30 GMT
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id just fit a new one, they last long enough This....... My A6 with this lump has 305k on it and the pump is original. Sometimes it clatters, sometimes not, but it always sucks..... Nick |
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1967 Triumph Vitesse convertible (old friend)
1996 Audi A6 2.5 TDI Avant (still durability testing)
1972 GT6 Mk3 (Restored after loong rest & getting the hang of being a car again)
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Nov 29, 2017 20:56:04 GMT
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The early supercharged Mercedes had electric vac pumps (slk clk c class)
Could be another option
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1992 240 Volvo T8
1955 Cadillac
1994 BMW E34 M5 (now sold )
1999 BMW E36 sport touring x2
1967 Hillman imp Californian "rally spec"
1971 VW bay window (work in progress)
1999 Mazda 323F
1987 Jaguar XJ12
All current
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tofufi
South West
Posts: 1,457
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Nov 29, 2017 22:05:51 GMT
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dubwarrior2
Part of things
"Open up, its the filth"
Posts: 576
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Thanks.
I did think about an electric one, as my old Toyota Hiace had one, but they are noisy as hell.
From reading that Volvo site, and a few others, it would seem that the electric pumps fitted to volvos and Saabs are dependant on a vacuum switch to detect vacuum drop and operate pump. From what Ive read, the switches are very temperemental and can cause the pump to operate continuously.....and get stupidly hot!!!
Still an option I wont rule out though. Just need to find a quiet one.
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Nov 30, 2017 11:36:08 GMT
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ChasR
RR Helper
motivation
Posts: 10,197
Club RR Member Number: 170
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Nov 30, 2017 22:07:28 GMT
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For the effort involved and potential hassle/ reliability issues if it is a daily I'd go for one from welshpug's link. |
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