flak monkey
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| posted on 19/4/10 at 01:55 PM |
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Having the bleed hoses above the fluid level is no problem. Its when something like the top hose is above the level in the header you get problems.
The bleed hoses/return to header should be the highest point of the system.
Sera
http://www.motosera.com
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cd.thomson
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| posted on 19/4/10 at 01:57 PM |
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phew.. i getcha  ... sorry for hijack!
Craig
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DaveFJ
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| posted on 29/6/10 at 01:29 PM |
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OK... lots of messing and it still overheats within a mile....
bitten the bullit and decided to start from scratch on the cooling so.....
new rad on order, new pump on order, thermostat housing cut in half and awaiting welding so it comes ou horizontal not sticking up in the air...
the stat housing will allow the highest point in the system to be the header tank.
new pump because i broke the pulley mount getting it off 
new rad... never been happy with my old rad with the filler tank on the side so goin for a new one... spent half the day (when i should have been
working!) researching and have come up with a bigger polo tank with the 8mm bleed at the top and a 430x320 core (old one was 377x320). measured the
Avon nose cone and it should fit - just!
for reference I have gone for a rad for an 86-87 1.3 Polo
nissens part number 651631
oem part number 171.121.253.CJ
valeo ref 883819
I beleive this is the same as the VW303?
came across a few good sites in my searching so will list them, here for teh benefit of others searching this problem:
Nissens
an excellent site and gives cross ref to manufacturers part number
Spartauto
gives a lot of cross reference part numbers
Autokool
good site but slightly pricey
adrad
good site - cheap - well recommended
BuyParts Online
where I got my new rad. pretty cheap and a good range
will let you all know how i get on......
Dave
"In Support of Help the Heroes" - Always
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DaveFJ
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| posted on 5/7/10 at 11:37 AM |
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For those that are interested i can confirm that the rad I ordered above, does fit in the Tiger nose cone - just1 and sits vertically....
just fabricated a rad cowling to attach the fan to so to try and improve the flow provided by the fan 
hopefully will get some new coolant hose thsi week and will be able to tell all how it went
Dave
"In Support of Help the Heroes" - Always
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DaveFJ
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| posted on 12/7/10 at 09:04 AM |
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To any interested, after a long period of head scratching I can finally say she is back on the road - overheating fixed - cross fingers!
took her out saturday and sunday - ragged her sensless and couldnt get her to go over 90 degerees
watch out for some piccies of the new 'stealth' Avon 
Dave
"In Support of Help the Heroes" - Always
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