Toyota Lucida - Problems With Brakes

[zoltar]

Hi there I have an issue which I have been experiencing for some time and hope someone can throw some light on it?

When the vehicle is in drive the vehicle use to move forward slowly until the break was applied, now the vehicle does not move forward unless the accelerator is used?

a while back the issue became worse when I tried pulling away the brakes were squealing and the discs were red hot within minutes.

I took it to my local garage who said they stripped down the brakes and said it required new discs and pads £500 later its still the same and they have told me there is nothing more they can do!!

losing all faith in the vehicle I had taken if off the road over the christmas period until today I decided with the help of a friend to take a closer look

the vehicle seems to have a problem with the passenger front side brakes.

On stripping them down it was clear the garage had lied, as it appeared as though the brakes had never been stripped down although they were brand new discs and pads.

We found that the calliper wasnt moving the way it should, on stripping it right down removing the pads and taking the whole caliper apart we greased all the areas up and put it back together, prior to stripping the caliper it would not move back n forth and now it does.

In putting everything back together the caliper appears to be still sticking on the one side, though a little better we were able to reverse the vehicle and drive the vehicle forward though there are huge screaching sounds and the breakes were getting really really hot really quickly.

Has anyone any suggestions or had similar issues?

many thanks

;)

[propnut]

What you have is a very common problem on ALL Estima's and Previa. The Calipers slide on longitudinal bushes which are surrounded by expanding rubber seals. These are the bushes the actual bolts that hold the caliper to the torque plate run through. You will see them clearly if you take the wheels off.

What you need to do is

1. Undo the bolts holding the calipers on

2. Take out the metal tubes that runs inside the rubber seals, TOP AND BOTTOM (This will NOT be easy but take car not to damage them)

3. Clean the inside of the seals throughly (you do NOT need to remove them from the caliper)

4. Clean off all rust from the metal tube using some very fine emery paper (wet and dry) AND ALSO the inside of the caliper where the tube runs

5. Get some silicon grease or glycol grease and regrease the outside of the tube and inside of the rubber seals.

6. Reassemble

Finally STOP paying others to do jobs you can do yourself. This job may take you the best part of a morning BUT wil only cost you a few quid for grease and emery sandpaper.

[takumi1701]

one thing to note is not to use normalgrease as the heat brakes it done and it may happen again use copper paste as this can take high temp

[propnut]

one thing to note is not to use normalgrease as the heat brakes it done and it may happen again use copper paste as this can take high temp

It MUST be Lithium Soap Based Glycol Grease. Copper grease is great for behind pad and on the torque plate to stop squealing and even on the bolts to stop siezing up, this is true. But for this application it must be the grease I have mentioned.

Both Silicon and Glycol grease thicken when hot. Anyone who fully understand how a viscous fan coupling works will know why.