Renault Scenic RX4 - Poor Brakes - Page 2 - Renault Forums :: Independent Renault forum

Brakes/Hubs Brakes, Hubs, and etc

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post #6 of 11 (permalink) Old 20th December 2007
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I have a petrol RX4 of the same year. It is a little spooky, but the brakes on it work the same as described above, and have done so since the car was new. It feels kind of odd to push the pedal to the stop in an emergency stop scenario, but if you do the car should stop fine and the ABS system will take care of it all quite well. The ABS will not appear to work on an even road surface although Iím sure it does, however most of my driving is on B roads and you can definitely feel it working on uneven surfaces. It doesn't stop as well as my last car (Rover 620Ti) and it did cause me some concern when I first got it, but the Rover was massively over braked, I could lift my passengers out of the seat with the brakes . Iím on my second set of replacement brakes (pads and discs) and have since changed the pads to a quality after market replacement; this it has made little if any difference. It just seems to be something about the RX4, we had one as a pool car for a while and when I drove it I found it was exactly the same. As a note, Iíve always felt that the brakes are not that great from cold in the morning and as I am a quite aggressive driver, I tend to dry/warm them at the earliest opportunity
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post #7 of 11 (permalink) Old 21st December 2007
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Must be the UK spec models?

I have an RX4 downunder guys and a few friends with them and don't recall ever hearing anyone complian about the stopping ability of the things.
Mine deteriorated for a while but that was because the front pads/discs were down to the minimum and I did run out of road on a night navigation run with the car club a while back, misjudged the corner distance and nearly ended up in the scrub
Have since gone to RDA front discs and EBC standard pads and the thing will out brake my wifes 1998 Xsara easily.
I think if the pads/discs are low the ABS works overtime, at least mine does. We live on the down side of an incline and to enter the driveway you stop downhill and when the pads were worn the ABS cut in a couple of times. I think this is due to overheating caused by thin pads/discs and the heat not disipating readily enough.
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post #8 of 11 (permalink) Old 21st December 2007
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OZ... I have not had problems either but the better quality aftermarket pads did make a difference to mine. I am not slow and after having the car chipped it is now even more of a shock to some of the dull silver vauxhall and Ford rep cars which it can hunt down now. But heat is what kills all brakes and better discs and pads make a big difference. I import brake components for motorcycles and have first hand experience of this. The one thing not mentioned is changing the flexable hoses for Goodridge lines as this can make a big difference on a car or bike which is 3 years old if the OEM Lines are not braided and start to soften and swell under load.
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post #9 of 11 (permalink) Old 22nd December 2007
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So how much difference do you think the chip made? How much was it? Is it worth the cost?
post #10 of 11 (permalink) Old 22nd December 2007
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It was from Diesel Tuning Performance No1 . It has made a big difference as the RX4 is not really good on fuel and our average of 30MPG has gone up to between 37 and 40 MPG! It is better to drive and it loads more tractable so the added torque improves the MPG by needing less throttle to keep it at speed. BUT.....It does mean with more torque the after the old CAT pipe broke the new one buzzes the chassis under acceleration in first and second. If I remove the chip it doesn't happen so it is because of the added power of the chip. I have dialed in even more power as it can be adjusted and the fuel economy has gone up but if you go too far it will smoke and you will lose economy so dial it in carefully if you buy one. About 2 full turns at a time and see how it feels and what it does.
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brakes , poor , renault , rx4 , scenic

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