Hi all, Just picked up a 99 Vt wagon, 6 months rego, good a/c, for $2300. got it cheep cause there was a scraping noise coming from the rear. we all thought it was wheel bearings. started to strip the rears, and found a loose brake pad. the back of these pads have a metal plate, which folds around the sides to locate the pad in the calliper. these little folds had worn away allowing the pad to rest on the side of the disc and wear a 2-3mm groove in the disc. changed pads to Ferrodo's which have no metal plate. all good. the stuffed pads are bendix. beware.
Cant blame the pads outright. Could have been the fault of the person who installed them.
Will be an installers fault IMO. Also if a pad is put onto an out of spec disc or one that needs a good machining/ flattening of the braking surface it will not matter what pad is going on but it will be doomed from the start and unable to perform it's task.
VYII Calais L67
you just dont understand...... the pads are LOOSE in the caliper! Where the pad sit in the caliper, there are grooves in each side to keep the pads incaliper, but still allow the pads to move in as they wear out. These pads use small(2-3mm) metal strips which fold over from the backing plate, to keep the pad located correctly in the caliper. It appears as if the maker wanted to save a gram or two by not making the pads full size, but use these little metal strip instead. Any way as a result, they have worn away in one corner, becoming loose in the caliper and have rested against the outside of the disc, where the handbrake shoe is inside, and worn a groove!
Before you start bad mouthing a product you should get your facts straight first.
Those metal strips aren't necessarily a Bendix product as they are are on all Holden brakes when cars are new.
They are anti squeal/rattle and wear indicator plates.
A few of the brake manufacturers supply new ones "but most don't" and you are supposed to use the old ones then.
Usually one of the plates has a long tang that will touch the disc producing a scraping or metal on metal sound when the pad needs replacing, which is probably the sound you were hearing before you replaced the pads.
Without those plates the pad may wear right down until it scrapes on the backing plate usually destroying the disc in the process or at worst allowing one of the caliper the pistons to pop out which could be catastrophic.
HSV VZ LS2 Senator, Stealth2 cam 307rwkw.http://forums.justcommodores.com.au/...ados-blue.html
VS11 Berlina L67 super6 wagon 196rwkw. http://forums.justcommodores.com.au/...ified-cai.html
you just dont understand...... the pads are LOOSE in the caliper! Where the pad sit in the caliper, there are grooves in each side to keep the pads incaliper, but still allow the pads to move in as they wear out. These pads use small(2-3mm) metal strips which fold over from the backing plate, to keep the pad located correctly in the caliper. It appears as if the maker wanted to save a gram or two by not making the pads full size, but use these little metal strip instead. Any way as a result, they have worn away in one corner, becoming loose in the caliper and have rested against the outside of the disc, where the handbrake shoe is inside, and worn a groove!
obviously the wrong pads for the car then if its not a snug fit
It seems that you only have limited knowledge of the mechanics of brakes and the use of these shims has nothing to do with manufacturers saving money, in fact they would save money by not using them at all but they are used for all sorts of reasons such as cut down squealing and help stop heat transfer from the pad into the caliper piston etc.
Have a read of this from the Bendix site re: using the shims .
Bendix Australia
See if you can still read the part# on the old pads because as others have said if they are that loose then they obviously were not the right pads.
There are plenty of pads out there that look the same but have subtle differences.
Last edited by Surfwagon; 29-12-2009 at 06:15 AM.
HSV VZ LS2 Senator, Stealth2 cam 307rwkw.http://forums.justcommodores.com.au/...ados-blue.html
VS11 Berlina L67 super6 wagon 196rwkw. http://forums.justcommodores.com.au/...ified-cai.html
and bendix are all i use and the rear pads shouldent have the shims onley the front use them bendix are one of the best set of pads on market today and thats the first i have herd of that problem EVER must have been instaled WRONG
i had bendix in mine, i just didnt use those plates.... just left it like that still worked, mainly cause i misplaced one and wanted both tyres to b even lol but yeah no problems...
Bendix are probably one of the best manufactured and packaged pads on the market today, but their current range of compounds are a long way behind their market domination of a decade ago. Brands like QFM, TRW, Remsa, Project Mu etc. all have far better application specific compounds available. The only Bendix compound that is a market leader would be GCT, for ordinary street driven, and trade servicing applications. ANY of the their performance or upgraded pads, be it, Ultimate, Heavy Duty or SRT, are all a long way behind being 'best on the market'...
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