ABS -LSV

#1 by AD , Wed Aug 07, 2019 6:46 am

Do the trucks with ABS have a LSV if they do where the hell is is situated? Doing my head in now bled brakes three times and they still soft.
Anyone else had the same problem and how did you cure it.
Thanks.


 
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RE: ABS -LSV

#2 by 123hotchef , Wed Aug 07, 2019 8:23 am

some of the earlier trucks had the LSV and ABSmbut it is not really nedded with ABS so yours being a 06 or 07 it probably dont have one mate, how r u bleeding?


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RE: ABS -LSV

#3 by AD , Wed Aug 07, 2019 9:08 am

Quote: 123hotchef wrote in post #2
some of the earlier trucks had the LSV and ABSmbut it is not really nedded with ABS so yours being a 06 or 07 it probably dont have one mate, how r u bleeding?

Rear then passenger side front then driver side front.
Tube into bottle me pumping brake my mate turning bleed nipple.


 
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RE: ABS -LSV

#4 by 123hotchef , Wed Aug 07, 2019 11:06 am

try it with the engine running and just open one nipple at a time with your pipe in ya bottle the abs pump will pump the fluid through


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RE: ABS -LSV

#5 by Meeshy , Wed Aug 07, 2019 12:47 pm

Read somewhere, you have to pump the pedal 20 times before opening each nipple. You then have to go round again, this time pumping 40 times quickly, similar to cadence braking, all while the engine is running. Alternatively I took the multiplug out of the ABS ECU and powered up the pump / solenoids, then opened and shut the nipples very quickly. Bit off a faf but gets any air out of the ABS pump solenoids etc.


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RE: ABS -LSV

#6 by Mallinman , Wed Aug 07, 2019 2:17 pm

You have to pump down then open the bleed nipple. Then close it before you bring the pedal back up. Then open and pump down and then close and pull pedal up. Donít pull the pedal up with the nipple open. Letís a small amount of air back in. And only one nipple at a time. Those Halfords £20 brake bleeders are quite good for a cheap one. The ones that run off your spare tyre.


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RE: ABS -LSV

#7 by AD , Wed Aug 07, 2019 3:11 pm

Quote: 123hotchef wrote in post #4
try it with the engine running and just open one nipple at a time with your pipe in ya bottle the abs pump will pump the fluid through

Had engine running when bleeding.


 
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RE: ABS -LSV

#8 by AD , Wed Aug 07, 2019 3:12 pm

Quote: Mallinman wrote in post #6
You have to pump down then open the bleed nipple. Then close it before you bring the pedal back up. Then open and pump down and then close and pull pedal up. Donít pull the pedal up with the nipple open. Letís a small amount of air back in. And only one nipple at a time. Those Halfords £20 brake bleeders are quite good for a cheap one. The ones that run off your spare tyre.

Ye that's how we did it,will vac pump be fecked.


 
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RE: ABS -LSV

#9 by AD , Wed Aug 07, 2019 3:13 pm

Quote: Meeshy wrote in post #5
Read somewhere, you have to pump the pedal 20 times before opening each nipple. You then have to go round again, this time pumping 40 times quickly, similar to cadence braking, all while the engine is running. Alternatively I took the multiplug out of the ABS ECU and powered up the pump / solenoids, then opened and shut the nipples very quickly. Bit off a faf but gets any air out of the ABS pump solenoids etc.

I' will give this a go tomorrow.


 
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RE: ABS -LSV

#10 by Meeshy , Wed Aug 07, 2019 3:18 pm

Your troubles are just starting if the ABS light is stuck on but thats another day.


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RE: ABS -LSV

#11 by AD , Wed Aug 07, 2019 5:05 pm

Gonna get a pressure bleeder see if that works.


 
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RE: ABS -LSV

#12 by Meeshy , Wed Aug 07, 2019 5:12 pm

Make sure it has the large adaptor lid, I have one but can't fit it to truck as I don't have a lid big enough.


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RE: ABS -LSV

#13 by AD , Wed Aug 07, 2019 5:30 pm

Quote: Meeshy wrote in post #12
Make sure it has the large adaptor lid, I have one but can't fit it to truck as I don't have a lid big enough.

@Messhy comes with a 45mm lid is that the right one


 
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Last edited 08.07.2019 | Top

RE: ABS -LSV

#14 by Tek76 , Wed Aug 07, 2019 8:09 pm

That's the standard euro size. if you get stuck, draper do a universal clamp lid that should work https://www.drapertools.com/product/28837/Expert-Universal-Brake-Cap-Adaptor


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RE: ABS -LSV

#15 by AD , Wed Aug 07, 2019 9:02 pm

Quote: Tek76 wrote in post #14
That's the standard euro size. if you get stuck, draper do a universal clamp lid that should work https://www.drapertools.com/product/28837/Expert-Universal-Brake-Cap-Adaptor

Ye cheers mate i ordered one earlier,i'll let you know how it performed.


 
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RE: ABS -LSV

#16 by Alan G , Wed Aug 07, 2019 10:57 pm

Right listen up.

With the engine switched OFF. Make sure the reservour is full. Fit your pipe onto the offside rear bleed nipple and open it. Back sure the other end of the pipe is submerged in clean brake fluid in a bottle. One person pump the pedal about 8 times (1 pump per second is fine) while you watch for bubbles in the bottle. If you dont have bubbles there is no air in the system. Do the same for both front brakes. Make sure the reservour doesnt run out of fluid. When each one is bled hold the pedal to the floor while the nipple is tightened.

If its still spongey try clamping each flexy hose individualy to see if the pedal goes hard. If it goes hard then the one clamped is causing the issue. Check the front slides arent seized too.


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RE: ABS -LSV

#17 by Alan G , Wed Aug 07, 2019 10:59 pm

Quote: AD wrote in post #15
Quote: Tek76 wrote in post #14
That's the standard euro size. if you get stuck, draper do a universal clamp lid that should work https://www.drapertools.com/product/28837/Expert-Universal-Brake-Cap-Adaptor

Ye cheers mate i ordered one earlier,i'll let you know how it performed.


I have never needed crap like this is 26 years as a tech. All you need is an assistant to pump the pedal. Any muppet will do 🤣 a plastic juice bottle 500ml is the usual and a bit pipe that fits the nipple and long enough to reach the bottom of the bottle.


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Last edited 08.07.2019 | Top

RE: ABS -LSV

#18 by AD , Thu Aug 08, 2019 6:05 am

Thank you for your kind words Alan


 
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RE: ABS -LSV

#19 by Tek76 , Thu Aug 08, 2019 8:44 am

@Alan G . When you're a Jedi master and have a Padawan working for you, the third leg is easy! Its usually just me being billy no mates for stuff like that, as it's odd hours when normal folks are tied up with family time!


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RE: ABS -LSV

#20 by Alan G , Thu Aug 08, 2019 9:12 am

Just make sure the pipe you have is long enough so the bottle can stand on the ground. Thats what I do then pump a few times, top up reservour then pump again and keep doing that 😁👍


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