Brake flush on '18 VW Atlas
- Thread starter TiGeo
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Couldn't you have done it quicker with the wheels on? Maybe on ramps?
How did you flush the ABS pump, if you did?
Never tried with wheels on..haha..maybe?
No need to.
Takes a minute to grab the ramps and drive up on them. How long does it take to grab the jack, raise the car, pull a wheel, put it back, x4?
My dealer does them with the wheels on using the BG machine.
Reminds me, I should have them do the Touareg while it's in.
Reminds me I am due later this year, kinda forgot about that one.
How do you get the car level if you drive it up on ramps?
As I said in my OP my total time was about an hour.
There is no reason during a normal flush to cycle the ABS pump if you don't run the reservoir dry.
Sure because they have it up on the lift with easy access. I'm sure I can do it on the ground and access the bleed ports but popping the wheels off and having a look isn't a bad way to do this.
Pretty sure the VW 501.14 brake fluid spec consists of a DOT 4 LV fluid. SL6 may have been a better (and cheaper) choice than TYP200.
$15 for a L plus higher temp so I'd call it fine - the SL.6 was $5 less and is a more daily fluid it looks like. Yes the spec is a lower temp I believe. I run the Motul RBF 600 in my Golf. I'll just need to do the flush more frequently with it I suppose.
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No idea, this is the typical way I've "flushed" brakes - just push the fluid though until the color changes. It's good enough and serves the purpose. I don't know anyone that does the ABS thing unless they get air in there which would only happen if you let the reservoir/bleeder tool empty.
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The fluid's boiling point is not the issue. The issue is related to fluid flow at low temperatures or the overall viscosity curve. DOT4LV is significantly less viscous than DOT4 at low temperatures and allows for more ABS functionality. VAG is not the only OEM that has moved past "regular" DOT4 and onto DOT4LV for these reasons.
The ABS seemed to work just fine when I gave it a few 60 to zero panic stops yesterday to try it out. I run the Motul stuff on my Sportwagen with no issue but your comment is noted.
Under "most" driving conditions it is a non-issue. But technically there is a difference in viscosity and can affect operational characteristics under very low temp conditions.
TYP200:
Product properties:
Condition Homogenous, transparent
Color yellow
Boiling point min. 280° C/536° F
Wet boiling point min. 198° C/388,4° F
Viscosity at –40° C/–40° F max. 1,400 mm²/s
Viscosity at +100° C/212° F 2.2 to 2.8 mm²/s
Water content max. 0.20%
https://www.ate-brakes.com/media/2322/ate_td006_dot4-typ200-web.pdf
SL6 (DOT4 LV):
Product properties: Condition Homogenous, transparent
Color yellow Boiling point min. 265° C/509° F
Wet boiling point min. 175° C/347° F
Viscosity at –40° C/–40° F max. 700 mm²/s
Viscosity at +100° C/212° F 1.7 to 2.3 mm²/s
Water content max. 0.20%
https://www.ate-brakes.com/media/2320/ate_td007_dot4-sl6-web.pdf
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