2002 F150 Transmission and Coolant flush - FordTough.ca - Home of Canadian Ford Truck Enthusiasts
 
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post #1 of 6 (permalink) Old 04-19-2013, 07:56 AM Thread Starter
 
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2002 F150 Transmission and Coolant flush

I just bought the truck and took a look at the fluids. I believe i have a general idea of how to do each, but want to ask for any tips and techniques.

For the transmission fluid, I was just going to drop the pan and replace the filter. I've read on other forums that the flush is better, any ideas?

For the coolant flush, I'm curious on how I would go along and do this. Some places say drain as much fluid out as you can, then take of the lower rad hose to drain out as much as you can. Then others say just drain and refill with 50/50 glycol and distilled water.

Any help will be great!!!
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post #2 of 6 (permalink) Old 04-19-2013, 11:44 PM
 
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You don't need to flush if you loosen all the 8mm head bolts on the valve body 1 turn. That will drain the converter. Just don't forget to tighten everything back up. No one said it wouldn't be messy.

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post #3 of 6 (permalink) Old 04-24-2013, 04:35 PM Thread Starter
 
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Messiness ain't a problem!
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post #4 of 6 (permalink) Old 04-24-2013, 05:05 PM
 
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For the coolant system, just draining the rad will leave a lot of older fluids in the block and the heater core. The drain for the rad is lower than the lower rad hose and will be more controlled if you put a tube onto it and a bucket below. Draining the block with the lower rad hose has never been too successful from my perspective, there is usually a couple of drains on the block as well, good luck with them being functional. Don't forget to bleed the heater core after you do all this or you will be really cold next winter.

Then replacing with a 50/50 coolant ratio will be fine. They sell those in jugs at Cdn Tire already pre-mixed. I have never worried about distilled water before when I was doing my own mixing. I used to use one full jug of Antifreeze and then use the same jug for water, then run the motor till it is warm without the cap on and fill it as the rad fluid gets circulated.

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post #5 of 6 (permalink) Old 04-24-2013, 06:49 PM
 
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unless your tranny is giving you issues dont flush it... just drain whats in the pan and change the filter... the flush loosens up stuff and leads to tranny issues.



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post #6 of 6 (permalink) Old 05-02-2013, 10:40 PM Thread Starter
 
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I emptied out the rad and torque converter and dropped the pan and replaced the fluid with prestone 50/50 mix at cdn tire. She's been running great since! thanks for the tips and help!
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