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1955 Eldorado transmission cooler

Started by jamesmundstock, June 17, 2025, 09:17:00 PM

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jamesmundstock

June 17, 2025, 09:17:00 PM
I know the Harrison cooler mounts to the flange of the transmission pan. I also know one fluid tube connects to the side of the transmission case. Does the other tube connect to a fitting on the side of the transmission pan or is there another port?  I don't have access to crawl under mine to look at the connections so this is why I'm asking. Thanks in advance for the replies.

Jeff Rosansky CLC #28373

#1
June 18, 2025, 09:48:17 AM
Just curious--

I didn't think the 55 had a cooler. Is it an Eldorado thing like the carbs? And/or is the Harrison cooler an aftermarket mod?

Thanks
Jeff Rose
CLC #28373
1970 Coupe DeVille (Big Red)
1955 Series 62 (Baby Blue)
Dad's new 1979 Coupe DeVille

Roger Zimmermann

#2
June 18, 2025, 09:55:24 AM
Indeed, only Eldorado models had a transmission cooler.
1956 Sedan de Ville (sold)
1956 Eldorado Biarritz
1957 Eldorado Brougham (sold)
1972 Coupe de Ville
2011 DTS
CLCMRC benefactor #101

jamesmundstock

#3
June 18, 2025, 11:09:46 AM
1955 Cadillacs with dual Rochester carburetors had the Harrison transmission coolers and the commercial chassis also had the transmission coolers.
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