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DOT4 Fluid Mixing... 

 

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 Post subject: DOT4 Fluid Mixing...
Posted: Sun Jun 22, 2008 1:24 am 
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Hi Folks,

Just toped up my power steering fluid today, before it occurred to me that the workshop probably put some basic DOT4 stuff in it, where I just grabbed what I had handy API-GL4 which is a fully synth fluid.

Should I be worried about having mixed the two ?

Should be flushing it out and re-filling it all with just one sort ?
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Posted: Sun Jun 22, 2008 3:37 am 
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i have no idea about mixing but if it was me to be sure i'd flush and refill with the good stuff. but thats just me.
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Posted: Sun Jun 22, 2008 11:23 am 
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Firstly Dot4 is brake fluid.
API-GL4 is Auto Trans fluid, this is fine for power steering.

However Ford suggest Mobilfluid 424 is most E-series.

 

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Posted: Sun Jun 22, 2008 11:46 am 
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i'd be very worried if a mechanic is putting brake fluid in your steering...

 

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 Post subject: Re: DOT4 Fluid Mixing...
Posted: Sun Jun 22, 2008 12:42 pm 
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tfindlay wrote:
Should be flushing it out and re-filling it all with just one sort ?
Absolutely.
Use 424 or equivalent.
Also do a search on here using 'mobilfluid' .

 

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Posted: Sun Jun 22, 2008 1:07 pm 
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Never mix different types of fluid. I did and it cost me a power steering pump.

My mechanic has also experimented with different fluids which wrecked power steering and brake seals within a week so he only goes with whats in the manufacturers handbook. Go with the manufacturers fluid or it could result in deteriorated O'rings and more trouble.

 

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Posted: Sun Jun 22, 2008 6:07 pm 
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DONT PUT brake fluid in the power steering pump!!!!!


from what i know and have done you can mix dot.4 brake fluids as they are supposed to be able to do this

 

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Posted: Mon Jun 23, 2008 8:16 am 
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twr7cx wrote:
i'd be very worried if a mechanic is putting brake fluid in your steering...
lol that's what i was thinking!

 

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