Flushing out Coolant/Brake pad change

H

HanJo Lee

Member
Location
New Jersey
Went to the dealership today and they suggested me that the coolant needs to be flushed out and replaced.
I have 05 FX35 and it has 32000miles on it and I haven't flushed out the coolant since the day I got the car. How often do you guys perform this service??? They told me it supposed to be done every year or so??
In addition, it's time for me to change the rear brake pads. They said front pads are in good condition. Some people say that front brake pads are usually wear out faster than the rear one. Maybe it only depends on the way you drive??
Please let me know what you guys think! :)
Thank you guys all in advance :)
 
Your coolant should be good most coolant nowadays last long but it is nice to flushout every 2 years since it is cheap. If your do it yourself it is easy because to flush it is underneath the radiator. On the fx the pads in the back get some wear as well and the backs wear first.
 
Coolant should be relatively easy to check just on how it looks. If it is clear green and bright with no visible floaties, it's probably ok. If it looks dark or seems to have glitter inside it, you should do the flush.

Flush is pretty easy to DIY - open radiator cap and unscrew drain valve to empty. Then fill with distilled water and run the engine until the temp gauge gets up to normal temperature. Then turn the engine off, drain out all the water and re-fill with fresh coolant/distilled water 50% mix. Make sure to dispose of the dirty coolant properly - I take mine to a quick-lube type place and drop it off.

After draining and refilling, there will most likely be some air trapped in the system. Over the next couple days it will bubble out and your coolant level will probably drop a bit. Just keep the overflow reservoir topped off to the MIN fill line, checking every day for about a week.
 
I remember there is a bleeding screw on the back of the engine. I can't remember exactly the location. I saw my buddy use that screw to bleed the air out of my cooling system during the coolant flush process. But I guess Jumbosrule's way is much easier.
 
The air relief valve is located passenger side of the engine bay - pretty close to the firewall. If you do the flush as I described, you don't need to use the relief valve, although it can't hurt.
 
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Best bet is to use the air relief valve, remove the valve....and fill your radiator. Once the coolant/water mix comes out of the valve...close it. Using the valve makes sure you don't have any air pockets.

Here is the coolant I used ///4330&highlight=peak
 
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