Renault van
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Just bought a r4 Renault van , it has drum brakes on the front and want to upgrade to discs, any tips or watch outswith thanks
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Andy McGhee
Enthusiast
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There's some useful info on this here:
Why do you specifically want discs?
The reason I ask is it is an incredible amount of work for the payoff, and if you are just after more stopping power/less pedal pressure in town and on the freeway/motorway, rather than being able to do the monte carlo without them fading by the time you get to the bottom, just fit a remote booster on the front circuit. Very easy to do and instant results.
The reason I ask is it is an incredible amount of work for the payoff, and if you are just after more stopping power/less pedal pressure in town and on the freeway/motorway, rather than being able to do the monte carlo without them fading by the time you get to the bottom, just fit a remote booster on the front circuit. Very easy to do and instant results.
michael760
Enthusiast
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My uncle fitted a Servo to his Triumph Spitfire brakes.
Has anyone done this on a Renault 4 to improve the stopping power or at least assist?
Has anyone done this on a Renault 4 to improve the stopping power or at least assist?
Yes, hence my comment. I put a dual circuit cylinder in my 68 model, and a PBR remote booster on the front circuit. The booster sits under the bonnet on the RHS just in front of the radiator, about where the battery goes on later cars. On a later car you would put it in front of the firewall on the RHS about where the battery went on early cars. With the later non-asbestos brake linings it works really well.
Small Servo on the front circuit only Angel. If it hadn't been enough my next plan was to add another small one to the rear circuit, and if that wasn't enough to replace the front one with the larger servo. But a single small servo turned out to be plenty in my opinion, bearing in mind I have the fixed early type rear pressure limiter, so potentially rear braking is never much.
These are the same servos that got used on the RHD 105 series Alfa Romeos, typically on a Berlina or Coupe/spider there is a small Lockheed pattern remote servo on each of the front and rear circuits, or on earlier cars with only one combined circuit they use the large servo.
On a van with a variable rear load limiting valve I would imagine a small one on front and another on the back might be worthwhile.
These are the same servos that got used on the RHD 105 series Alfa Romeos, typically on a Berlina or Coupe/spider there is a small Lockheed pattern remote servo on each of the front and rear circuits, or on earlier cars with only one combined circuit they use the large servo.
On a van with a variable rear load limiting valve I would imagine a small one on front and another on the back might be worthwhile.
Eccles60
First Renault 4 after 40 years waiting
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- 295
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- Solihull, West Midlands
With my rheumatoid arthritis I could do with a brake servo. I have a RHD 1986 GTL with front discs (of course). Do I take it that I could fit an inline booster to just the front circuit to achieve reduced pedal pressure? The rears don't do much anyway especially if you brake hard and the limiter kick in.
I can't tackle such jobs myself these days, I assume taking it to a specialist would be best?
I can't tackle such jobs myself these days, I assume taking it to a specialist would be best?