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post #1 of 11 (permalink) Old 05-11-2017, 11:37 PM Thread Starter
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Preferred brake fluid?

I'm going to be changing out my brake fluid in my 2014 Latitude and I (surprisingly) can't find any posts/threads on here concerning a preferred brake fluid. Does everyone just get the Mopar stuff or have the dealer perform the service? I'm wondering if there's something more high performance than Mopar, like Lucas Oil fluid?

Thanks,

Mike

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post #2 of 11 (permalink) Old 05-12-2017, 12:13 AM
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I just ran a car of mine on a road course today using the same ole Valvoline Synthetic fluid that is both DOT3 and DOT4 and costs all of $7.99 for a quart or so at Advance Auto. I was running with guys that have changed to numerous hipo $$$ brake fluids. My "cheap" fluid did just fine. Any fluid that is the correct DOT # and meets any stated Mopar spec will be fine. Anything beyond that is overkill. Please note that in most cars, the use of DOT3 and DOT4 are are fine and they can be mixed, but DOT5 cannot be mixed with 3/4. Don't assume 5 is newer/better and exceeds 3/4, so switching to it is awesomeness. Those that switch to DOT5 have to get all of the 3/4 out of the system. I believe DOT5 is paint friendly, and some auto restorers use it for that reason. (yeah, in case you didn't know, if any 3/4 drips on your paint, wipe it off ASAP).

It would be worthwhile getting a quote from the dealer on what they would charge to perform the bleeding and see if it's worth your time/money to let them do it. The labor time may be lower than you think. Or maybe not. It is a messy job unless you get the right size tubing to fit over the bleeder screws to direct the fluid where you want it.
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post #3 of 11 (permalink) Old 05-12-2017, 08:02 AM
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Quote:
Originally Posted by 007 View Post
I'm going to be changing out my brake fluid in my 2014 Latitude and I (surprisingly) can't find any posts/threads on here concerning a preferred brake fluid. Does everyone just get the Mopar stuff or have the dealer perform the service? I'm wondering if there's something more high performance than Mopar, like Lucas Oil fluid?
What else do you want the brakes to do, other than stop?

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post #4 of 11 (permalink) Old 05-12-2017, 08:56 AM Thread Starter
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Originally Posted by mreg376 View Post
What else do you want the brakes to do, other than stop?
Umm... I'm not asking for the brakes to do anything special, I'm asking about high quality fluid. Brake fluid is different from manufacturer to manufacturer. Enthusiasts, you might call us, prefer to buy a higher quality brake fluid that will last longer, resist moister better and has a higher boiling point.

For your information: http://www.bestcovery.com/best-brake-fluid

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post #5 of 11 (permalink) Old 05-12-2017, 09:18 AM Thread Starter
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Quote:
Originally Posted by 04Freedom View Post
I just ran a car of mine on a road course today using the same ole Valvoline Synthetic fluid that is both DOT3 and DOT4 and costs all of $7.99 for a quart or so at Advance Auto. I was running with guys that have changed to numerous hipo $$$ brake fluids. My "cheap" fluid did just fine. Any fluid that is the correct DOT # and meets any stated Mopar spec will be fine. Anything beyond that is overkill. Please note that in most cars, the use of DOT3 and DOT4 are are fine and they can be mixed, but DOT5 cannot be mixed with 3/4. Don't assume 5 is newer/better and exceeds 3/4, so switching to it is awesomeness. Those that switch to DOT5 have to get all of the 3/4 out of the system. I believe DOT5 is paint friendly, and some auto restorers use it for that reason. (yeah, in case you didn't know, if any 3/4 drips on your paint, wipe it off ASAP).

It would be worthwhile getting a quote from the dealer on what they would charge to perform the bleeding and see if it's worth your time/money to let them do it. The labor time may be lower than you think. Or maybe not. It is a messy job unless you get the right size tubing to fit over the bleeder screws to direct the fluid where you want it.
You are correct... Dot 5 does not have the glycol ether that will mess up your paint. I think it's silicon-based. As for overkill... you're probably right. The reason I'm asking is because 1) the current brake fluid (I'm assuming it's the original Mopar fluid) is very dark after only 3 yrs/46,000 miles and 2) I'm interested in the better performance aspects that I mentioned in my post above. Mostly because the brakes are pretty much the most important part of the vehicle, and if I can eek slightly better performance out of them, I'll pay a couple of extra bucks.

I have a Motive power brake bleeder that I've been using on all of my cars for years. It works great for one-man brake bleeding! I just did my wife's car and it only took about an hour. Really, the majority of the time is getting it up on jack stands and taking all of the tires off. The bleeding part goes pretty quickly. I just hook up some rubber tubing and a Gatorade bottle to each brake.


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Build date: 07/09/2014
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Last Jeep -- 1998 Forest Green Wrangler Sport (Bought brand new and drove if for over 10 years)

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post #6 of 11 (permalink) Old 05-12-2017, 10:58 AM
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@Desoto might have some info in regards to that. In my case I've had brake fade but only when off-roading. On road, even under a very aggressive road rage issue my brakes held up very well considering when I stopped at the police station all for rotors were smoking. When that happened on my Kia Sorento the pedal went to the floor. If you are looking for better braking performance I recommend the powerstop z36 package which is what I have. In low speed braking they are a bit harder to slow down but once warmed up or up on the highway these things bite hard. I personally would like to see braided brake lines and wonder if we wouldn't benefit from those to have a firmer and more reliable pedal.

But replacing brake fluid I don't think it something people really think about unless they have a problem.
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post #7 of 11 (permalink) Old 05-12-2017, 11:26 AM
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Crown doesn't have any kits for the KL, but I believe they will make custom lines if you give them the specs.


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post #8 of 11 (permalink) Old 05-12-2017, 04:00 PM Thread Starter
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Thanks for the input! As far as fluid, it looks like I was heading in the right direction originally... the Lucas Oil brake fluid, part no. 10825 meets the SAE J1703 standard, has the highest boiling points of all 'reasonably-priced' brake fluids and is only $4.99 at Auto Zone. Looks like I'll be changing out my fluid this weekend.
@Len1304 I haven't really had a problem yet, but I'm just concerned with the very dark color and have been of the school where I like to change the fluid once a year or so anyway. Especially since it's so easy to do. The service on my wife's Mercedes GLK350 is every 40,000 miles, so I usually do them both at the same time.

Thanks again!

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2014 Cherokee Latitude
Build date: 07/09/2014
In Service Date: 09/02/2014
My purchase date: 7/29/2016
Altitude Pkg
Comfort/Convenience Group
FWD
Uconnect 8.4A
Brilliant Black Crystal Pearl Coat
3.2L V6

Last Jeep -- 1998 Forest Green Wrangler Sport (Bought brand new and drove if for over 10 years)

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post #9 of 11 (permalink) Old 05-13-2017, 12:32 AM
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Quote:
Originally Posted by 007 View Post
You are correct... Dot 5 does not have the glycol ether that will mess up your paint. I think it's silicon-based. As for overkill... you're probably right. The reason I'm asking is because 1) the current brake fluid (I'm assuming it's the original Mopar fluid) is very dark after only 3 yrs/46,000 miles and 2) I'm interested in the better performance aspects that I mentioned in my post above. Mostly because the brakes are pretty much the most important part of the vehicle, and if I can eek slightly better performance out of them, I'll pay a couple of extra bucks.



I have a Motive power brake bleeder that I've been using on all of my cars for years. It works great for one-man brake bleeding! I just did my wife's car and it only took about an hour. Really, the majority of the time is getting it up on jack stands and taking all of the tires off. The bleeding part goes pretty quickly. I just hook up some rubber tubing and a Gatorade bottle to each brake.





What's all the grey stuff under that wheel well?


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post #10 of 11 (permalink) Old 05-13-2017, 02:56 PM Thread Starter
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What's all the grey stuff under that wheel well?
On the cardboard? That's brake dust and rust. This is my wife's car and I was also replacing the brake pads and rotors. I gave the hubs a good run with the wire wheel to get off as much rust as I could before putting the new rotors on. Also, brake dust was caked on EVERYTHING! It was a **** mess.

The grey stuff INSIDE the wheel well is just dirt.

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Build date: 07/09/2014
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My purchase date: 7/29/2016
Altitude Pkg
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Last Jeep -- 1998 Forest Green Wrangler Sport (Bought brand new and drove if for over 10 years)

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