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Old 3 Weeks Ago   #1
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Egypt 
no warning lights but the ABS pump not working

no warning lights but the ABS pump not working
i have no warning lights but the ABS PUMP is not bush oil to the F/R wheel
can any one advise me what is that and how to fix it ? its t jet
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Old 3 Weeks Ago   #2
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Re: no warning lights but the ABS pump not working

How do you know the pump isn't working?

The pump does not push the brake fluid around your foot on the pedal does, all the pump actually does is release the brakes from a skidding wheel if the wheel locking up is detected, then rapidly reapplies the brakes, the 'Pushing' comes from your foot.

If you have no braking on the front right wheel then I would be checking to make sure the caliper hasn't seized up or the brake pipes themselves are not damaged in some way. If the wheel is not locking up when you apply the brakes then I would check the pads are OK and that everything is adjusted properly.

I have known someone to "crimp" their back brake lines buy hitting them on a speed bump and crushing them.

The fact you have no ABS warning lights is a good indication you don't have an ABS fault.
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Old 3 Weeks Ago   #3
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Egypt 
Re: no warning lights but the ABS pump not working

Quote Originally Posted by AndyRKett View Post
How do you know the pump isn't working?

The pump does not push the brake fluid around your foot on the pedal does, all the pump actually does is release the brakes from a skidding wheel if the wheel locking up is detected, then rapidly reapplies the brakes, the 'Pushing' comes from your foot.

If you have no braking on the front right wheel then I would be checking to make sure the caliper hasn't seized up or the brake pipes themselves are not damaged in some way. If the wheel is not locking up when you apply the brakes then I would check the pads are OK and that everything is adjusted properly.

I have known someone to "crimp" their back brake lines buy hitting them on a speed bump and crushing them.

The fact you have no ABS warning lights is a good indication you don't have an ABS fault.
My problem is that when I push the brakes, the oil doesn't reach the front right wheel. I checked all the pipes, they are ok. When I opened the pipe from the ABS pump side, I couldn't find oil passing to this wheel. Therefore, this wheel NEVER stops, although the other 3 stop and work normally.

And what's strange is that the ABS and brake warning lights don't working/giving light/flashing, even though they work when I start the car for about 5 seconds and the turn off.

So I want to know what's wrong with my car and how do I fix it?
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Old 3 Weeks Ago   #4
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Re: no warning lights but the ABS pump not working

I’m really not convinced of your methods here.

Fluid fills the full length of the pipe, no matter were you open it you should find fluid.

If you’re not finding fluid passed the abs pump then I’d have to question if you just need to bleed the brakes or have a air lock.
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Old 3 Weeks Ago   #5
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Egypt 
Re: no warning lights but the ABS pump not working

yes i need to to bleed the brakes i attached a photo to show what my problem is as you see the fluid flow from 3 holes only to the breaks that mean there is 3 wheels only to stop and no ABS warning on . i need to know what is that and how to fix it
Attached Thumbnails
Click image for larger version

Name:	Resize of IMG_20190822_000620.jpg
Views:	6
Size:	60.6 KB
ID:	202401  
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Old 3 Weeks Ago   #6
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Egypt 
Re: no warning lights but the ABS pump not working

Quote Originally Posted by AndyRKett View Post
Iím really not convinced of your methods here.

Fluid fills the full length of the pipe, no matter were you open it you should find fluid.

If youíre not finding fluid passed the abs pump then Iíd have to question if you just need to bleed the brakes or have a air lock.

yes i need to to bleed the brakes i attached a photo to show what my problem is as you see the fluid flow from 3 holes only to the breaks that mean there is 3 wheels only to stop and no ABS warning on . i need to know what is that and how to fix it
Attached Thumbnails
Click image for larger version

Name:	Resize of IMG_20190822_000620.jpg
Views:	3
Size:	60.6 KB
ID:	202402  
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Old 3 Weeks Ago   #7
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Re: no warning lights but the ABS pump not working

Seized (internal) valve ...

BRs, Bernie

If someone here helped You fix -or better, understand- your issue, hit the thanks icon @ bottom right corner, it's free and makes us feel helpy ;-)
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Old 3 Weeks Ago   #8
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Egypt 
Re: no warning lights but the ABS pump not working

Quote Originally Posted by Bernievarian View Post
Seized (internal) valve ...

BRs, Bernie

If someone here helped You fix -or better, understand- your issue, hit the thanks icon @ bottom right corner, it's free and makes us feel helpy ;-)
can you please advice how to seized the valve ?
many thanks
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Old 3 Weeks Ago   #9
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Re: no warning lights but the ABS pump not working

If you have MES diagnostics, you can check ABS components by testing it - you can run pump and hear if it's working + you can test each valve for each wheel if its working. During checking each ABS valve you should feel movement on brake pedal. But you should do this test before unmounting pipes...
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Old 3 Weeks Ago   #10
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Re: no warning lights but the ABS pump not working

Quote Originally Posted by Rado77 View Post
If you have MES diagnostics, you can check ABS components by testing it - you can run pump and hear if it's working + you can test each valve for each wheel if its working. During checking each ABS valve you should feel movement on brake pedal. But you should do this test before unmounting pipes...
i did all of that every thing works only the first valve do not bush fluid as the photo above
and the weird as no ABS alarm on dash board
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Old 3 Weeks Ago   #11
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Re: no warning lights but the ABS pump not working

Just to be sure

With the car on stands or jacked up on the side of the affected calliper,

Have you had someone hold down the brake pedal with their foot and have yourself try turning the wheel?
With the car on and off?

When you bled the brakes, did you do all four calipers?
How much brake fluid did you put through and did you notice any bubbles coming out from the bleed nipple on each of the calipers?
Have you taken the caliper off the rotor to inspect further?

Possible rebuild or buy one from a breaker,

Also how do the brake pads look? You can check them without removing the caliper,
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Old 3 Weeks Ago   #12
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Egypt 
Re: no warning lights but the ABS pump not working

Quote Originally Posted by llamallama View Post
Just to be sure

With the car on stands or jacked up on the side of the affected calliper,

Have you had someone hold down the brake pedal with their foot and have yourself try turning the wheel?
With the car on and off?

When you bled the brakes, did you do all four calipers?
How much brake fluid did you put through and did you notice any bubbles coming out from the bleed nipple on each of the calipers?
Have you taken the caliper off the rotor to inspect further?

Possible rebuild or buy one from a breaker,

Also how do the brake pads look? You can check them without removing the caliper,
yes i did and the wheel is loose .there was no fluid at that wheel . i search the internet but cant find pump with p/n 71748287 hardware part number 0265800663 at all
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Old 3 Weeks Ago   #13
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Re: no warning lights but the ABS pump not working

Thanks amr badrawy thanked for this post
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Old 3 Weeks Ago   #14
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Re: no warning lights but the ABS pump not working

Bla bla bla, if that valve is seized (or permanently activated) you'd get exactly that fault...

BRs, Bernie

If someone here helped You fix -or better, understand- your issue, hit the thanks icon @ bottom right corner, it's free and makes us feel helpy ;-)
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Last edited by Bernievarian; 3 Weeks Ago at 19:06.
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Old 3 Weeks Ago   #15
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Egypt 
Re: no warning lights but the ABS pump not working

Quote Originally Posted by Bernievarian View Post
Bla bla bla, if that valve is seized (or permanently activated) you'd get exactly that fault...

BRs, Bernie

If someone here helped You fix -or better, understand- your issue, hit the thanks icon @ bottom right corner, it's free and makes us feel helpy ;-)
thanks for you support . any advise how to fix it ? thanks again
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