Replacing radiator tomorrow
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Senior User
Joined: Jun 2008
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From: Bethel Park, PA
Replacing radiator tomorrow
I have a brand new radiator that I'm going to replace my leaky radiator with tomorrow. The radiator came with 3 pairs of rubber o-rings or gaskets. Each pair a little bigger and thicker than the other. My question is, where do these rings go? Do they go underneath the hoses where they are connected to the fittings? I have 6 rings but only 4 fittings on the radiator. Two for the radiator hoses and the two for the oil and transmission coolant hoses. I'd like to know exactly what they are for and where they go, if I need them at all, before I get started on this. Thanks for any info you guys can give me on this.
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Senior User
Joined: Jun 2008
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From: Bethel Park, PA
That's actually what I was thinking they were for but it threw me off since I got 3 pairs of rings with it. I guess they just threw a couple of extras in there. Thanks for your help.
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
Ford used multiple ways to connect the trans cooler lines. Some had screw-in fittings, some had fixed 'receivers' with push in or snap in connections. Who knows, just match the ones to your current fittings.
The snap together or push together ones should NOT be unscrewed from the radiator to disconnect the lines, as it will ruin the O-ring inside the snap connector. You have to use the 'special tool' to disconnect the line fittings from the connector push fittings, and then you can unscrew the fittings that are still on the radiator that the push-in fittings push into. Wow is that a bad sentence.
Guess how I found out? When the Dexron was leaking onto the floor...
tom
The snap together or push together ones should NOT be unscrewed from the radiator to disconnect the lines, as it will ruin the O-ring inside the snap connector. You have to use the 'special tool' to disconnect the line fittings from the connector push fittings, and then you can unscrew the fittings that are still on the radiator that the push-in fittings push into. Wow is that a bad sentence.
Guess how I found out? When the Dexron was leaking onto the floor...
tom
Last edited by tomw; Jul 17, 2008 at 08:07 AM. Reason: oy
Thread Starter
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Senior User
Joined: Jun 2008
Posts: 283
Likes: 0
From: Bethel Park, PA
Ford used multiple ways to connect the trans cooler lines. Some had screw-in fittings, some had fixed 'receivers' with push in or snap in connections. Who knows, just match the ones to your current fittings.
The snap together or push together ones should NOT be unscrewed from the radiator to disconnect the lines, as it will ruin the O-ring inside the snap connector. You have to use the 'special tool' to disconnect the line fittings from the connector push fittings, and then you can unscrew the fittings that are still on the radiator that the push-in fittings push into. Wow is that a bad sentence.
Guess how I found out? When the Dexron was leaking onto the floor...
tom
The snap together or push together ones should NOT be unscrewed from the radiator to disconnect the lines, as it will ruin the O-ring inside the snap connector. You have to use the 'special tool' to disconnect the line fittings from the connector push fittings, and then you can unscrew the fittings that are still on the radiator that the push-in fittings push into. Wow is that a bad sentence.
Guess how I found out? When the Dexron was leaking onto the floor...
tom
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Senior User
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From: Bethel Park, PA
Actually, after reading the manual again, I'm a little confused on what gets loosened concerning the removal of the tranny cooler lines. Anybody out there with a 2000 Ford Ranger that can help me out on that? I just want to make sure I don't end up tightening something instead by accident and make it impossible to get off. Thanks.
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Post Fiend
Joined: Oct 2005
Posts: 5,242
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From: Kiev, Ukraine
Nothing unusuall, i'm not actually sure 17 ore 16 mm wrench, loosen carefully 2 nuts, pull lines and then replace small o-rings, install new radiator, carefully screw nuts, fill cooling system, add 2-2.5q of ATF (all what was in radiator) and run engine. Check all againe...
Postmaster
Joined: Feb 2004
Posts: 2,595
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From: IL
Make sure the trans fittings on the new rad are going to match the fittings on the lines. I replaced my rad a few months back due to the seal between the aluminum and plastic/vinyl failing. I don't remember which brand the first one I had was but I took it back and got a Modine from napa and still had to rig up the fittings. Was a real pita and doesn't look the greatest (i.e. clamps and hoses) but it works.
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
If there are whitish plastic thingies sticking out of the connections near the radiator, you have a snap together type connector. You are supposed to disconnect there, rather than unscrewing the fittings from the radiator. That is what I was trying to describe. If you unscrew the fittings, you will cause the internal O-rings to fail.
IF you have snap fittings...
tom
IF you have snap fittings...
tom
Thread Starter
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Senior User
Joined: Jun 2008
Posts: 283
Likes: 0
From: Bethel Park, PA
If there are whitish plastic thingies sticking out of the connections near the radiator, you have a snap together type connector. You are supposed to disconnect there, rather than unscrewing the fittings from the radiator. That is what I was trying to describe. If you unscrew the fittings, you will cause the internal O-rings to fail.
IF you have snap fittings...
tom
IF you have snap fittings...
tom
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