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Volkswagen EuroVan: 1992-2003 (T4) afterrun coolant pump.. what direction should coolant flow? Bentley vs VW


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rocknroj

Posts: 4
Registered: 03/05/05
afterrun coolant pump.. what direction should coolant flow? Bentley vs VW
Posted: Jun 11, 2019 3:15 PM
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I am posting this cuz I see a conflict between the bentley guide and the vw schematics

I have a 93 eurovan. I have the bentley printed 3 volume set.

the afterun pump in bently guide shows the pump drawing from the cyinder head and pumping to the upper radiator hose (via a fork in the hose).

vw shows the reverse. coolant enters from the radiator hose and goes to the flange on the head..

so which one is it??

currently my rig is hooked up as per bentley.. but the vw pic makes more sense to me..

I also checked a number of other old vw's (non turbo) that use this system and the vw schematics all show coolant going to head.. From what I read the discharge from the pump is always the perpendicular pipe and my bench test proved that correct...

so one source is correct the other is wrong..

any help sincerely appreciated... she sits with coolant drained awaiting an answer...

thank you.

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