Less powerful brake :-(

Casper · Mar 13, 2014

I used a little bit my wonderful Rt10 but i noted that the brake are not powerful..
This is very strange because i haven't Abs (m.y. 2000).. Wheels don't blocked..and braking always are too long..I press very ******* the brake pedal but is not enough :-(

Grisoman · Mar 13, 2014

Could be collapsed or swollen hydraulic hoses, worn master cylinder seals, stuck caliper piston(s)? The brake servo (vacuum assist) is working?

Casper · Mar 13, 2014

Grisoman said:
Could be collapsed or swollen hydraulic hoses, worn master cylinder seals, stuck caliper piston(s)? The brake servo (vacuum assist) is working?

brake servo works. Sometime i hear a little whistle.

Indy · Mar 13, 2014

Did you ever change the brake fluid? Is there air in the system? Might be a good idea to flush the system with new fluid - maybe the brake pads are glazed? Try a few hard stops to heat them up and then drive a bit to let them cool off. But generally, the Viper needs a bit more force on the pedal to brake well...

steve e · Mar 13, 2014

If you hear a whistle you might have a vacuum leak, check vacuum hose to power booster.

ViperJohn · Mar 13, 2014

Bleeding the brakes would be first thing to do. What color is the fluid in the reservoir? If its dark brown or black, it's definitely overdue. It should almost look clear.

The next possibility is that someone changed the pads to EBC Greens or some other low dusting equivalent. While those pads are great at keeping your wheels clean, they don't stop as well. Years ago, I drove my buddies RT/10 back from NJ to MD and first time I hit the brakes I was in shock at how poor they were. We both had the same year car with about the same miles. Only difference? I had stock pads and he had EBC Green. I had a set of EBC greens to put on my car, but I ended up selling them because I would rather clean my wheels more often than loose braking efficiency.

Casper · Mar 13, 2014

Indy said:
Did you ever change the brake fluid?

no. I got her three days ago :-D

Indy said:
But generally, the Viper needs a bit more force on the pedal to brake well...

is this "generally" that causes problem to me...because here nobody has Viper and i have not basis for comparison...Everything could be normal...I could make you a long doubts list about my Viper!

I'm ready to came to live in america for my Viper doubts :drive:

------>

Someone give me greencard? :2tu:

Dan Aseere · Mar 13, 2014

Put EBC greens on my RT/10....Very little dust but gave up about 25% braking power.

Casper · Mar 24, 2014

i used my Viper again today and now appears that she brakes better...I don't know why...I can think that last owner changed pads and they was too news..

AZTVR · Mar 24, 2014

Casper said:
i used my Viper again today and now appears that she brakes better...I don't know why...I can think that last owner changed pads and they was too news..

Definitely, depending upon the brake pads and whether the rotors were resurfaced, these brakes may not have been "bedded in" if they were recently installed.

For example: http://www.zeckhausen.com/bedding_in_brakes.htm

denniskgb · Mar 24, 2014

just take it easy, Casper and get used to the car first. How is the roads around where you live.? i was in Rome this summer and roads were horrible. If you wanted to have a sportscar you just could not. heaven for H1 hummer though...

Casper · Mar 24, 2014

denniskgb said:
just take it easy, Casper and gused to the car first. How is the roads around where you live.? i was in Rome this summer and roads were horrible. If you wanted to have a sportscar you just could not. heaven for H1 hummer though...

i told same thing to my mom today..."it's impossible drive on this streets...i mount hummer's wheels!"

Casper · Mar 24, 2014

AZTVR said:
Definitely, depending upon the brake pads and whether the rotors were resurfaced, these brakes may not have been "bedded in" if they were recently installed.

For example: http://www.zeckhausen.com/bedding_in_brakes.htm

thank you! :2tu:

Bird325 · Mar 24, 2014

Casper, Since you just took this car on, go ahead and flush your brake fluid unless it's been done recently. You can easily tell by the color ... clear/light amber is OK ... dark/black IS NOT. Brake fluid absorbs moisture from the atmosphere and turns dark. The moisture mixed in the fluid compresses more than the fluid does and makes your brakes much less effective. Bleed and flush and then enjoy your new beast.

Less powerful brake :-(

Casper

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Grisoman

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Casper

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Indy

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steve e

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ViperJohn

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Casper

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Dan Aseere

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Casper

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AZTVR

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denniskgb

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Casper

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Casper

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Bird325

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