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Navara soft breaks

  • 29-04-2012 11:21pm
    #1
    4x4Savage
    Registered Users Posts: 4 ✭


    Just got a 07 Navara Crew cab about 90,000km. Runs great, but serious amount of break pedal travel when you want to stop. Disk on front, drums on rear. I'm going to replace the pads & disks. Has anyone encountered this or a solution? Is there an upgrade for the braking system? Any help would be great..
    Cheers S:cool:
    Tagged:


Comments

  • #2
    CJhaughey
    Registered Users Posts: 14,906 ✭✭✭✭CJhaughey


    Sounds like air in the system, have you bled the brakes?


  • #3
    101sean
    Registered Users Posts: 2,884 ✭✭✭101sean


    If it's drums on the rear, it could be the they've worn so much the automatic adjustment (assuming it has that) can't take out the slack or is just seized. While you replace the shoes you should be able to sort it. Drum brakes if not adjusted give a lot more travel at the pedal unlike discs which are always just right.


  • #4
    4x4Savage
    Registered Users Posts: 4 ✭4x4Savage


    Thanks, first I'm going to bleed the system & check the drum breaks for adjustment. Hopefully that will improve the break pedal firmness and stopping distance.
    Will update if that works.
    If it doesn't then it's time to shell out for new disks & pads all round.

    Does anyone know if the rear suspension can be softened? I don't carry heavy loads. On a bumpy road the rear end ride is harsh.

    S


  • #5
    101sean
    Registered Users Posts: 2,884 ✭✭✭101sean


    It's at the age you should really change the fluid anyway but my money is on the rear brakes needing adjusting.

    I don't know if they fitted stiffer springs for our VRT rules but there's suppliers out there who do alternatives. Have a look at the pic of a standard spring on Milner's site as a comparison.

    http://www.milneroffroad.com/nissan/navara-pickup/d40m-52005-2-5td


  • #6
    slowburner
    Moderators, Science, Health & Environment Moderators Posts: 5,218 Mod ✭✭✭✭slowburner


    It'd be no harm at all to check for a leak in the brake line.
    I had the same problem on a different jeep - gradually increasing travel and decreasing effectiveness.
    The brake line was running over a flat surface which had gathered a build up of muck over the years and which you would never think of cleaning.
    So the brake line was sitting underground for X amount of years, and of course, it rusted through and the system failed completely.
    All I can say is that I'm lucky it happened outside the house, rather than on the motorway.
    Ended up replacing all the brake lines for peace of mind.


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  • #7
    4x4Savage
    Registered Users Posts: 4 ✭4x4Savage


    Cheers for all the info.. Might need a bit of help. Would any of you recommend a mechanic that's good with Navaras?


  • #8
    createrofall
    Closed Accounts Posts: 2 ✭createrofall


    after you bleed them if it dosn work just loosen the bleed nipples slightly so they are bearly dripping leave for 20min come back and top up with fluid and leave for another 20min fill up fluid and you will have rock hard brakes


  • #9
    CJhaughey
    Registered Users Posts: 14,906 ✭✭✭✭CJhaughey


    createrofall wrote: »
    after you bleed them if it dosn work just loosen the bleed nipples slightly so they are bearly dripping leave for 20min come back and top up with fluid and leave for another 20min fill up fluid and you will have rock hard brakes
    How does that work? If you leave a bleed nipple so its dripping, air must be replacing the fluid and rising back up the brake pipe.
    I always found that if it was troublesome to bleed then keeping the brake pressed down overnight with the brakelight bulbs removed would usually solve most cases, as it allowed the airbubbles to rise back to the brake cylinder.
    I never heard of the method you describe, not saying it doesn't work but what is the principle?


  • #10
    101sean
    Registered Users Posts: 2,884 ✭✭✭101sean


    Gravity bleed, it does work but not always, depends on the layout of the system. Weight of the fluid pushes the air out ahead but if there's load sensing valves or high points it may not work, certainly doesn't on my 101!. I use it to shift most of the air but always round off by pedal pumping, closing the bleed nipple on the up strokes.


  • #11
    roryq69
    Registered Users Posts: 77 ✭✭roryq69


    Bought an 07 landcruiser about 7 months ago and it had very soft brakes. knew what it was straight away cause all those landcruisers seem to suffer from it. " pots of the four on each front caliper had siezed. Once i got new calipers on she would put you out through the windscreen! take off the front wheels and see if you can lever the pots back into the caliper!


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  • #12
    Fishtits
    Closed Accounts Posts: 1,382 ✭✭✭Fishtits


    OP, get rid of it now.

    They are piss poor over time, It'll cost you a fortune.

    Never touch another one.


  • #13
    4x4Savage
    Registered Users Posts: 4 ✭4x4Savage


    Adjusted rear shoes and fitted new pads up front. Breaks a lot better..


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