Radiator - flushing

Maintenance advice to keep your Spider in shape.
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RaneeHobbs
Posts: 59
Joined: Sun Dec 20, 2015 3:18 pm
Your car is a: 1976 Fiat 124 Spider
Location: Great Falls Montana

Radiator - flushing

Post by RaneeHobbs »

Hello - Here is my question: Can I drain the radiator when my 76 Fiat 124 is jacked up. We have drained all other fluids. And if, how do I do this? Hope this makes sense!
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joelittel
Patron 2018
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Posts: 1013
Joined: Tue Mar 08, 2011 6:53 pm
Your car is a: 1980 Spider 2000 FI
Location: Evanston, IL

Re: Radiator - flushing

Post by joelittel »

I don't see any reason not to drain it while on stands.

There are two drains, one on the bottom of the radiator (Driver's side) and the other is on the block (exhaust side).
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lglade
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Posts: 327
Joined: Sat Dec 07, 2013 7:05 am
Your car is a: 1984 Pininfarina
Location: Mukilteo, WA

Re: Radiator - flushing

Post by lglade »

+1

The block drain is hard to reach if you're *not* on jack stands.
Lloyd Glade- Mukilteo, WA
1984 Pininfarina Spider Azzurra
1962 Fiat 500D - wife's car
2015 Subaru Outback
2017 Ford Focus RS
DieselSpider
Posts: 2130
Joined: Wed Dec 24, 2014 10:21 pm
Your car is a: 1978 124 Spider with Isuzu Turbo Diesel

Re: Radiator - flushing

Post by DieselSpider »

I use and old stainless steel shop vac to ensure a complete flush. I usually take out the thermostat when I do so. A mild white vinegar and distilled water flush allowed to soak in followed by flushing with several gallons of distilled waters. You'll sometimes be surprised by the additional amount of sediment the rush of the shop vac pulls out.
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