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When do you change fluids?

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Old 07-03-2010, 08:55 PM
  #11  
Warthog5
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I just changed the Trans and rear end with Royal Purple.

This is the first time I've used that product.

I stick with the Motorcraft oil filter as Wally World has them so cheap, but if I had to go with another filter I use Wix.

Oil is always Valvoline. Usually the semi-synthetic.
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Old 07-03-2010, 09:00 PM
  #12  
Future4.3LStang
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Previous owner of my car did it at every 3000 miles
Mobil 1 Oil, Motcraft Filter, Radiator Flush and Seafoam, and every 4000 all other fluids were changed.
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Old 07-04-2010, 07:48 AM
  #13  
Warthog5
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He flushed the radiator and changed the trans and rear end fluids every 4000mi ?
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Old 07-04-2010, 08:19 AM
  #14  
shanec
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Changing brake fluid? I've never changed brake fluid in any vehicle at any mileage. This has a service interval? There's nothing in the system that could make it dirty, right? And I'm not aware that brake fluid breaks down on its own.

I do 5w-20 Mobil1 every 5,000 miles. This is probably a short interval for synthetic.

Hmmm....need to read up on the fluid interval for a manual tranny.
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Old 07-04-2010, 01:05 PM
  #15  
157dB
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Originally Posted by Mellowdien
I just got 10k miles on my 07 GT that i bought new.
She going to a get service job soon: Brake pads, motor oil, oil filter and filter clean up.

I was just wondering if there were any other fluids i might wanna change at this point.
Radiator fluids, brake fluids.. are those necessary for now?

I'll be supercharged by february next year so i also wanted to ask the FI guys here,
if they changed their lubricants, are you still using 5w-20?
Maybe check the scheduled maintence guide in the glove box?
Heat can kill a brake pad beyond repair and heavy, heavy, heavy use
can make replacing pads warranted at 10K. Normal use, no.
If your pads are gone enough to warrant replacement at 10K, (excessive heat)
then I would do a complete flush of the brake fluid as well.
Maybe check the washer fluid?

Last edited by 157dB; 07-04-2010 at 01:07 PM.
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Old 07-04-2010, 03:50 PM
  #16  
Future4.3LStang
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Originally Posted by Warthog5
He flushed the radiator and changed the trans and rear end fluids every 4000mi ?
That is what he said?
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