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Tight MQ Brakes

Tech Talk for Nissan owners.

Moderators: toaddog, V8Patrol

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Posts: 57
Joined: Mon Jun 06, 2005 12:04 pm
Location: Blue Mountains NSW

Tight MQ Brakes

Post by ThirstyMQ »

Howdy,

I've noticed that rotating the front wheels, by hand (obviously jacked), is bloody hard. The first time I noticed it was a while ago while I was replacing the front wheel bearings. I thought as time went by the brakes would loosen up and release the pressure. They haven't. It feels like someone has their foot on the brake pedal. I wouldn't be overly worried about it but the fact that it hasn't gone away is causing me some conerns.

I haven't fitted new pads to it nor have I done anything to the disc. They aren't rusty at all and I'm at a loss as to what it could be. I've greased the main and sub pins in the calipers and still no luck.

Is there anything that could be causing this? I don't know what could be causing the brake system to hold pressure?

Gurus?.............

Lewie
Yeah..... Nuthin!

84' SWB MQ Nissan Patrol
Posts: 5060
Joined: Tue Apr 08, 2003 7:28 pm
Location: Narellan Vale, Sydney

Post by Screwy »

mate id be very suprised if its the brakes at all.... id say your wheel bearings are way too tight...

screwy
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Posts: 57
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Location: Blue Mountains NSW

Post by ThirstyMQ »

I'm assuming from
.... id say your wheel bearings are way too tight...
you mean the wheel bearing lock nuts?? When I did them I had a mate with me and he said to do them up a little over finger tight. From memory. Does this sound right?

Is that what you mean? If not, let me know so I can sort it while the front end's in the air. I have the eye pins and bushes for my front leaf packs on order and should be here soon.

My hand is still healing! Bloody leaf retainers!! :bad-words:
Yeah..... Nuthin!

84' SWB MQ Nissan Patrol
Posts: 5060
Joined: Tue Apr 08, 2003 7:28 pm
Location: Narellan Vale, Sydney

Post by Screwy »

ThirstyMQ wrote:I'm assuming from
.... id say your wheel bearings are way too tight...
you mean the wheel bearing lock nuts?? When I did them I had a mate with me and he said to do them up a little over finger tight. From memory. Does this sound right?

Is that what you mean? If not, let me know so I can sort it while the front end's in the air. I have the eye pins and bushes for my front leaf packs on order and should be here soon.

My hand is still healing! Bloody leaf retainers!! :bad-words:
yeh usually if the bearings are tight you get that stiff binding...

to test it, unbolt your caliper ( 2 x 22 or 24mm bolts ) and take it off, see if wheel spins nice, then you know if its brakes or not...

if its your calipers then they are seezed or just tight and need some driving....

screwy
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Opposite Lock Narellan, Lightforce Australia, Offroad Systems, Judd Panels, Townsend Signs, RDG Engineering, Central Safety Workwear
Posts: 57
Joined: Mon Jun 06, 2005 12:04 pm
Location: Blue Mountains NSW

Post by ThirstyMQ »

Cheers mate.

I'll give it a crack tomorrow and post the results.

Lewie
Yeah..... Nuthin!

84' SWB MQ Nissan Patrol
Posts: 55
Joined: Mon Jan 03, 2005 10:22 pm
Location: Philippines

Post by Mintoy »

if your bearings are ok. the pistons of the caliper might stuck up. u will have to overhaul the calipers.
Posts: 57
Joined: Mon Jun 06, 2005 12:04 pm
Location: Blue Mountains NSW

Post by ThirstyMQ »

Just took the front wheels and calipers off. The wheels spin freely so my calipers need a service. :cry:

Is this the sort of thing you can do yourself or is it best left to a pro? Does anyone know of a mob in Sydney that would come up the the Blue Mountains (Winmalee) to sort this for me or is there anyone here that would for beer?

I can't take it anywhere at the moment as the spring packs are out of the front, it's not registered and, apparently, my brakes ned a service

Cheers
Lewie
Yeah..... Nuthin!

84' SWB MQ Nissan Patrol
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