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1999 Rav4, brake fluid leak at reservoir


FormulaForce
06-18-2014, 10:14 AM
The wife's 99 Rav4 is leaking brake fluid where the reservoir meets the master cylinder, at the front connection. It's not real bad yet, but we have to top it off every other day or so. There are two grommets that are supposed to provide a seal. I thought I'd just order those and try that. Is there also a sealant that would help prevent this? I don't want to gum up the lines, brake fluid is corrosive if I'm not mistaken and I don't know what would work as a sealant. Also, I thought I'd try strapping down the reservoir to the MC with a big hose clamp or something for a tighter, non-jiggly fit. I don't care what it looks like. I'm going to try and keep the MC topped off the whole time to avoid having to bleed the system. Advice? (non)success stories?

badbrakes
06-18-2014, 12:18 PM
for what it's worth to you. brake lines is the only thing I dont toy with. granted you seems to be in southern US so probably dont have the rust and corroded brake lines we have up here - but this is one item I'd rather get done in a shop then trying myself. but to be more specific on your question: havent heard of a sealant. maybe you can get a3away with fixing yourself cause the problem only involves the reservoir. I would dismount the reservoir and install a proper gasket. then that leaves you with a bleed job. If the caliper plugs arent too bad, then invest the 1/2 hour and bleed the system.

my 2.5 cents.

FormulaForce
06-19-2014, 06:16 AM
I'll probably just try the new gaskets and skip any sealant. But I am going to try clamping the reservoir to the master cylinder somehow. I think that will help. Yeah, I try not to mess with brake lines either.

Thanks

FormulaForce
06-23-2014, 08:04 AM
I pushed the reservoir down tight and tied it to the master cylinder with a big cable tie. Seems to be working for now. We'll see.....

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