Gents;
I bought two (2) new radiators, and there are no provisions for bleeders. My options are, please?
Gents;
I bought two (2) new radiators, and there are no provisions for bleeders. My options are, please?
V/r
Iverson
Material?
Brass/steel end tanks can have bleeders added easily (had this done on mine).
Aluminum end tanks can has a threaded boss welded on.
Plastic...... you may be on your own there
-John Allen
Tacoma, WA
'82 Royale RP31M
(‘72 Royale RP16 stolen in 2022)
John is right, aluminum and steel/brass are easy . Plastic can be done with a very coarse thread into it and epoxy with a generous radius on it. Unless you have any of the old VW plastic/aluminum radiators you probably are in luck.
Unless there is something "different" with your "mid-year" VD as you refer to it, why would you need bleeders? Had no need for them at all on the 90, 91, or 93 - the system as designed never seemed to trap any air no matter how fast I filled it. I just fill it, let it settle, run it for a minute or two with the cap off, top it up and move on.
cheers,
BT
Plastic end tanks on radiators can be welded too - with a plastic welding kit (basically a hot air gun). Ideal is to use extra scrap cut-up end tank material (seems to be a sort of nylon-reinforced plastic) for compatibility... BTDT, ran those for a while before upgrading to a full custom aluminum rad from Keith (Averill)...
I removed the bleeders from my RF94 as potential leakers. As billtebutt says, never found any issue with filling the system, running the car, and letting it self bleed.
John
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