Funny noise from NSF
Discussion
I have a strange noise from the NSF hub of my 88 911. I thought it was a sticking caliper, as thats what it sounds like and a light application of the brakes makes the noise stop. As the discs were thin and the pads were low, I've swapped these (OE discs & pads) and the pistons in the calipers were smooth as silk. The noise is still there. It doesn't seem to happen until the car is warm, and is intermittent then - worse maybe in corners. Front wheel bearings have been re-adjusted and are fine. Any ideas ?
PS for anyone who saw my thread a week or so ago about swapping my 911 for an Elise - it won't be happening.
Cheers in advance
PS for anyone who saw my thread a week or so ago about swapping my 911 for an Elise - it won't be happening.
Cheers in advance
good move on keeping the 3.2 over an elise...
I have had a couple of '89 cars and have similar problems,,,both cured with new pads /discs..for the minute this has me a little foxed...
How many miles on the new disc pad set up?
Rather than adjust for the relatively small cost is it not worth just putting a new set of bearings in the hub?
I have had a couple of '89 cars and have similar problems,,,both cured with new pads /discs..for the minute this has me a little foxed...
How many miles on the new disc pad set up?
Rather than adjust for the relatively small cost is it not worth just putting a new set of bearings in the hub?
I get exactly the same thing in my '85 Carrera 3.2
A few days ago I drove an '88 Carrera that did exactly the same thing.
Last time I had the car serviced (at a well known independent not a million miles away from Earls Court) they said it was a sticking caliper and that the best way to sort it out was to take the car on a proper run along a twisty road to get the brakes really warmed up.
My car only gets driven once or twice a week, as does the '88 car.
P.S. I had told the garage to sort anything that needed doing and they said that the solution was to work the brakes hard, as above.
A few days ago I drove an '88 Carrera that did exactly the same thing.
Last time I had the car serviced (at a well known independent not a million miles away from Earls Court) they said it was a sticking caliper and that the best way to sort it out was to take the car on a proper run along a twisty road to get the brakes really warmed up.
My car only gets driven once or twice a week, as does the '88 car.
P.S. I had told the garage to sort anything that needed doing and they said that the solution was to work the brakes hard, as above.
I thought you had replaced the pads & discs..
I had this badly sfter a trip yo thr ring....I dragged my specialist out of bed early one moning and he told me the cure in his sleep.
In my case it was a glazing of didcs & pads.
Buy some proper fine emery paper rather than sandpaper,and gently rub all faces of the disc.
Then take the pads out and rub them on the emery on a FLAT surface...put it all back and in my case cured.
I really didn't think it was a brake problem,as it was more noticeable when the steering had a lock on or was turned from lock to lock.
that cured it for me and is not unusual on SC & 3.2.
I had this badly sfter a trip yo thr ring....I dragged my specialist out of bed early one moning and he told me the cure in his sleep.
In my case it was a glazing of didcs & pads.
Buy some proper fine emery paper rather than sandpaper,and gently rub all faces of the disc.
Then take the pads out and rub them on the emery on a FLAT surface...put it all back and in my case cured.
I really didn't think it was a brake problem,as it was more noticeable when the steering had a lock on or was turned from lock to lock.
that cured it for me and is not unusual on SC & 3.2.
This is obviously a common problem - I had it too when I bought by '89 3.2, in my case it was solved by the same specialist mentioned by Philly above semi-dismantling the caliper to free a slightly seized piston and then fitting new pads (it was clear to see from the uneven wear on the pads where they were holding on).
I think the best advice (before resorting to financial outlay) is to give it a really good blast and get the brakes seriously hot - usually shifts most problems caused by lack of regular use !
I think the best advice (before resorting to financial outlay) is to give it a really good blast and get the brakes seriously hot - usually shifts most problems caused by lack of regular use !
jamie...i would prefer to sort the brakes out before going for a good blast mate...Just in cas e you need them!
I sorted a sticking calliper on another car,,,just took pads out pumped pedal 10 times when piston was out 10-15 mm sprayed all with brake cleaner,dried off with a towel ,,GENTLY levered piston back in,replaced pads,,all was well
I sorted a sticking calliper on another car,,,just took pads out pumped pedal 10 times when piston was out 10-15 mm sprayed all with brake cleaner,dried off with a towel ,,GENTLY levered piston back in,replaced pads,,all was well
Don't piss about, throw a set of wheel bearings into both sides for what they cost as they are the only thing that can make significant noise changes when cornering. But do make absolutely sure that the calipers are ok, we have replaced so many recently with sticking pistons that are almost becoming service items.
Probably an obvious question but I will ask it anyway 
What magical properties does this spray on brake cleaner have? I tend to strip down and clean up my callipers/ pads after every trackday. It doesn't take me long but any magical product that will speed up the task will be most welcome. Toothbrush and tongue is getting a bit unpleasant.
p.s I don't clean them coz I'm a brake calliper concours junky, I am just interested in having effective retardation
What magical properties does this spray on brake cleaner have? I tend to strip down and clean up my callipers/ pads after every trackday. It doesn't take me long but any magical product that will speed up the task will be most welcome. Toothbrush and tongue is getting a bit unpleasant.
p.s I don't clean them coz I'm a brake calliper concours junky, I am just interested in having effective retardation
Brake cleaner is a very good solvent - removes grease and if used under pressure (ie from an aerosol) is good at flushing out places where it's difficult to get to. It evaporates very quickly and (a good brand) will leave no residue. Racing teams use the stuff by rthe bucketload for cleaning parts prior to reassembly / painting.
I've got a suspension noise when going over speed humps. It's just a sort of annoying squeak at the front as the spring compresses and decompresses. I dare say at service time I will be told I need something expensive! My last Jag had a similar noise (noisy shock absorber IIRC) and I just ignored it for a couple of years, with no ill effects whatsoever, as it was still in perfect working order. What does the panel think about the likelihood of this being anything I should worry about 
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