Where is my antifreeze going? 92 F150 5.0 motor


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Where is my antifreeze going? 92 F150 5.0 motor

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wes101382
User

Mar 8, 2010, 2:29 PM

Post #1 of 4 (2842 views)

Where is my antifreeze going? 92 F150 5.0 motor	Sign In

I have a 1992 Ford F150 with the 5.0 motor. 2 wheel drive automatic. I have changed the water pump, hoses, and the thermostat. no leaks around them and not leaving puddles in my driveway, but for some reason my antifreeze resevoir keeps dropping low to the point sometimes it reads empty, but my rediator is staying full. Please help.
Thanks wes

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 8, 2010, 3:27 PM

Post #2 of 4 (2833 views)

Re: Where is my antifreeze going? 92 F150 5.0 motor	Sign In

Pressure cap is on radiator - right? If so it could be leaking out the hose to the recovery tank which may only be while underway and manage to escape leaving evidence.

If just recently done it can take a few cycles to normalize level and self purge out remaining air pockets then be stable from then on. Will it hold a pressure test?

T

wes101382
User

Mar 10, 2010, 12:41 PM

Post #3 of 4 (2817 views)

Re: Where is my antifreeze going? 92 F150 5.0 motor	Sign In

I havnt pressure tested yet, but i noticed today when i got home and the truck was still running after about a 20min drive. i noticed there was green antifreeze on the plastic insert that is grimped onto the side of the rediator on the same side the resivoir tank and the pressure cap is located on the radiator. any ideas and the resivoir tank was up the the full level

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 10, 2010, 1:01 PM

Post #4 of 4 (2815 views)

Re: Where is my antifreeze going? 92 F150 5.0 motor	Sign In

OK: You've found it! Now know that the end tank is crimped on with no doubt a rubber seal out of sight. Probably not feasible as a DIY fix but if you know where and what find a RADIATOR SPECIALTY SHOP (few left) that can fix that with new rubber, end tank or declare it hopeless

I suppose you could carefully isolate the exact leak area and try to crimp yourself at the risk of making it unfix able which we just can't tell at this point.

You could take the radiator to the shop if so inclined as it shouldn't be too hard to remove. Do yourself a favor and put penetrating solvent on automatic cooling lines now and let sit before attacking. Even if the rad shop does it, it would help,

T

PS: Price out a radiator ahead and get estimates on fix so you know what's worth it or not - fix or replace.......Rad shop probably sells new radiators and would be competitive or are here anyway.....

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