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Transmission/Torque Converter Cooler D9G bad day....

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4 years 3 months ago #218635 by gvanhouten
Where to start????

If you recall I was cleaning out the coolant system started with radiator and cleaned fins ect... Decided to take the transmission cooler and engine oil coolers out... Posted pics of the transmission/torque converter cooler... Truly clogged....

Well I went ahead and got after it and cleaned it and it seems I cleaned it to well.... I installed everything back with new gaskets ect... And wouldn't you know it The engine coolant thank god I just added water. It would not fill then I noticed a leak around by the starter... I did not think anything of it and said okay will get to that and fix the leak... Well took off the floor plates and tracked the leak I saw down and didn't think much of it... Well lets see the leak was the bottom transmission metal hose.


Umm that is no good.... Even further insult to injury if my transmission was flooded with water so was my torque converter.... Geesh this is a tough one....

Seems like I might have been to aggressive with cleaning out the core of the converter... How hard is it to damage? It was truly clogged... Any suggestions on where to get a new one??? Lastly, I just changed the transmission oil not to long ago if you recall.... I just can't cut a break.... Well I think just to be safe I will replace the engine cooler as well.... That is not expensive compared to the transmission cooler... Your thoughts is appreciated....

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4 years 3 months ago #218639 by Rome K/G
With the age and not knowing how the tubes are[rotted/thin] best to replace it, good insurance.

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4 years 3 months ago #218641 by gvanhouten

With the age and not knowing how the tubes are[rotted/thin] best to replace it, good insurance.


Thanks Rome it was a rough one....

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4 years 3 months ago #218648 by Old Magnet
Two cores, 8S3637 and 1S6762, about $1,200 looking at Regal's prices.

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4 years 3 months ago #218650 by gvanhouten

Two cores, 8S3637 and 1S6762, about $1,200 looking at Regal's prices.


Thanks Old Magnet.... I went ahead and ordered them... Not going to chance it going to drain engine oil as it is needed and replace both coolers.... Just want some damn seat time.... I know I will get there just being a little bit impatient at this point...

I went ahead a changed out temp gauge to a single gauge Cat of course...

I only have what I believed to be a transmission gauge but upon further inspection it is attatched to the torque converter... Any idea why I do not have both? Just trying to make sure we are all set once I put the new coolers back in.....I cleaned up real good the torque converter and transmission under the floor boards... I was planning on dropping the underbelly pans to get that good and cleaned out and tidy.... I did it for the engine and it was a mess... The last thing I don't want is a fire after all this.... And yes I have a fire extinguisher.... It looks like the belly pan for the transmission and torque converter is hinged at the rear... Mine seems to be broken as the center of the belly pan is missing and the rear bolts is broken at where it would hinge... Oh the joys of D9G ownership... I love her but it has been a rough one....

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4 years 3 months ago #218651 by Misterskill
There is a few different oil coolers over the years, make sure you get the right one.

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4 years 3 months ago #218652 by gvanhouten

There is a few different oil coolers over the years, make sure you get the right one.


Old magnet had the right part#'s and I looked up in my parts book.... Pretty crappy but its at least 50 years old... Be careful dont clean just replace if you have issues on yours....

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4 years 3 months ago #218653 by Misterskill

Old magnet had the right part#'s and I looked up in my parts book.... Pretty crappy but its at least 50 years old... Be careful dont clean just replace if you have issues on yours....


Unfortunately mine is the oldest type and as far as i can find not available new anymore. I can put the later type on but need the different brackets and pipework to plumb it all up.

I should keep an eye out for a spare though.

Radiator fan was the same but we managed to Frankenstein it with some D9H parts.

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