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V 70 Brakes - ABS System

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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abscate
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Re: V 70 Brakes - ABS System

Post by abscate »

By the time it go there out Customs people will have sprayed cheese in a can on it.

Ill come over to Grenoble to sample.. :-)
Empty Nester
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manovlov
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Post by manovlov »

ok. No beer then. Wine ? A grand bordeaux for example ?
1995/02 850 GLT 2.5 170 Petrol M56

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RickHaleParker
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Post by RickHaleParker »

Maybe Abscate will go a drink if you offer a Canadian Blended ... Royal Crown?
⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙
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Post by scot850 »

Glad we managed to help you out and well done getting there. Now go an enjoy! Appreciate the offer of a beer or wine maybe. If I make it back to France at some point I will look you up!

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

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manovlov
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Post by manovlov »

Hy foxes,

Bad new : the issue with my brakes came back. Daniel, the guy from ReCar told me something about the brake booster placed at the back of the master cylinder, that usually makes this kind of trouble... The ABS module is clear, the only thing I didn't change on the brakes system is the master cylinder and the brake booster...
Anybody knows what I mean and the method to clear that issue once for all ?

Manovlov
1995/02 850 GLT 2.5 170 Petrol M56

scot850
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Post by scot850 »

The issue I have had is there is a diaphragm in the booster and that can get issues when the master cylinder starts to fail, it can leak internally into the brake booster. You can sometimes smell the fluid if you know what brake fluid smells like. Other than that not sure what they are saying. Still sounds like the ABS module or maybe the connectors on it. Remove the connectors again, and clean the pins with contact electrical cleaner and then try re-seating the connector again a couple of times. Check the power cable too (the smaller one beside it).

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

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manovlov
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Post by manovlov »

Hy Neil,
I've checked the prices of differents parts of the ABS modules, it starts to become be expensive. I ask myself if it wouldn't be the moment to change the car in itself. A refurbished part ?

Manovlov
1995/02 850 GLT 2.5 170 Petrol M56

scot850
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Post by scot850 »

Check your connections first and have the ABS sensors checked for resistance values. Also check the sensor rings on the axles that the ABS sensors use to operate. They can get dirty or crack causing issues with the ABS.

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

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manovlov
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Post by manovlov »

All right, I will do this and keep you in touch.

ManoV
1995/02 850 GLT 2.5 170 Petrol M56

scot850
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Post by scot850 »

It is always worth checking the simpler stuff before worrying about the bigger stuff. When I buy re-built ABS modules I go where a lot of fellow MVS guys go and that is to our friend Matty Moo who runs Mid-West ABS. Not only does he give a lifetime warranty on his repaired units and excellent service, he actually tests the repaired units on one of his cars to guarantee it is correctly repaired and functioning as it should. That is the biggest reason for me to buy in confidence from him. Not sure if they have tested the unit you had repaired in a similar way?

Good Luck!

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold

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