Please help...Magnefine atf filter

Trailscape said:

Did you change any of the hoses or just cut the line with the filter installed? I’m not too sure what’s going on on there.

I put mine on the inlet hose. Figured it’s better to filter before reaching the cooler. I’m using the stock one and aftermarket.

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Yes I just cut the line and installed. That top line is the return hose to the transmission so the arrow should be going away from the cooler like my pic correct? Do you have that extra cooler because you tow heavy?

You posted in Gen 1 so guessing your truck is at least 14 years old. You yanked on some hoses while installing the filter and probably broke something loose on an already old and weak rad and you got a leak. If its an original rad it shouldnt really be a surprise.

Here's a link you may find helpful. This happened to my brother's 2003 Tundra right after the automatic transmission was serviced at the dealership.

^^^^^^What they said^^^^^^^

It's definitely not an the original rad. but it probably is a cheap aftermarket. I bought it sitting not running for 2 years so a cheap rad probably couldn't handle sitting. Just weird that it started right after filter install. I bought the cheapest rad on eBay for 80 bucks and has a lifetime warranty. I was considering the more expensive denso brand with 1 year warranty but read the reviews of people who said it started leaking after a year and decided against it.