Mitsubishi Delica Owners Club UK™

martyin3d · Joined: 26 Mar 2013 Posts: 85 Location: Cornwall

I noticed this morning that my recently purchased L300 is making a bit of a clonk sometimes when braking sharply. When you hear the clonk the brakes seem to let off for a split second, similar to the feeling of ABS. Sounds like it's coming from the front passenger side. The front passenger side brakes have just started to squeak a bit too. I'm wondering if that's a coincidence or if it's connected.

It's just passed it's MOT with no advisories (not sure if that helps rule anything out) and the anti roll bar bushings have just been changed.

Thanks a lot for any help!

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BFG · Joined: 05 Mar 2009 Posts: 340 Location: Exmouth, Devon, UK

I have this on my L300 and have had ever since I got it.

Tried quite a few things, replaced anti roll bar bushings new shocks etc had the noise prior to my 2" lift and bigger wheels and it was there after.
Tried 2 different sets of new brake pads. Theres no play either up/down or left right on the wheels (Bearings / ball joints). Did all the grease points.
No excessive heat on wheels after a long drive (was thinking calipers binding)

Its a grinding/crunching noise you get just as you are coming to a stop and just as you start moving sometimes theres juddering also (all from the front)

2 Different mechanics have looked at it and came to the conclusion its just one of those things with an old vehicle but I'm not happy about it.

Give it another month and I'm gonna overhaul the front suspension with new bearings, upper and lower ball joints, control arms and I have a brake
caliper service kit (new rubbers etc) I'm gonna use too.

Gonna hit the manuals and work out where the engine mounts are also and see if they need tightening up.

If the noise is still there after this I'm guessing it must be transmission.
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martyin3d · Joined: 26 Mar 2013 Posts: 85 Location: Cornwall

Yea, what you're describing is exactly what I'm getting on mine.
Let me know if you do ever work out what it is, ill make sure I post an update if I get it sorted :D

Lewis · Posted: Fri Apr 19, 2013 9:04 Post subject:

martyin3d · Joined: 26 Mar 2013 Posts: 85 Location: Cornwall

As far as I know it doesn't have ABS?

Yojimbo · Joined: 01 Dec 2005 Posts: 1202 Location: Bucks

ABS? What strange witchcraft is this? BURN HIM!

Lewis · Posted: Fri Apr 19, 2013 9:25 Post subject:

I take it they predate the invention of ABS. ? Laughing

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CaptainVeg · Joined: 18 Jan 2011 Posts: 186 Location: Edinburgh

Yes, we do have an Approximate Breaking System.

Mine does the clonk as well, but I think it is the old front shocks kind of crunching badly. Maybe not. I would care if this was the only strange noise, but it isn't...

tomkranz · Posted: Fri Apr 19, 2013 10:06 Post subject:

Mine has this as well. I've replaced the front shocks, the calipers, the pads, the bearings, all the suspension bushes - and it still happens. Had 4 different mechanics take a look, had them in the van so they can hear the noise, they're all stumped as well.

Took the van out to an airfield and did some panic stops from 70 - whatever it is, it doesn't appear to affect the braking ability or the way the van stops.

It's mystifying, but having spent so much effort testing the impact, I've just started to accept it as one of those idiosyncrasies of the Delica ;-)

Cheers,
TOM
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martyin3d · Joined: 26 Mar 2013 Posts: 85 Location: Cornwall

It's good to know I'm not the only one and that it's probably nothing serious!

Yojimbo · Joined: 01 Dec 2005 Posts: 1202 Location: Bucks

Mine never does this, so there must be some difference

CaptainVeg · Joined: 18 Jan 2011 Posts: 186 Location: Edinburgh

This looks suspicious. I would check that it is a real L300, because it should be doing clonk, or at list clink.

theFleured · Posted: Fri Apr 19, 2013 14:22 Post subject:

You're all miles off, the L300 is quite old now and the braking system relies on a land anchor, the clonk is it hitting the ground when you apply the brakes when it comes to a stop the anchor is retracted Laughing

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PinkPig · Posted: Fri Apr 19, 2013 15:12 Post subject:

I thought the clonk was my heart leaving my mouth and going back down to my chest as I managed to stop before rear ending someone.
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theFleured · Posted: Fri Apr 19, 2013 15:20 Post subject:

Yojimbo · Joined: 01 Dec 2005 Posts: 1202 Location: Bucks

theFleured · Posted: Fri Apr 19, 2013 16:16 Post subject:

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freddread123 · Joined: 01 Nov 2012 Posts: 205 Location: North Wales

I had the same 5 years ago on my L300 tracked my clunk down to the pads moving very quickly ,on application in the direction of the disc " very evident when in four wheel drive --off the ground , and in gear , and brakes applied hard " only a mil or so but with that force , makes a defo clink " looked like a worn caliper where it meets the pad on the lugs " so made tiny inserts , out of spring metal to absorb this movement, after i had done all that realised i could have just welded a bit on the lug of the pad and grinded to an exact fit " !! either way job done , might be worth looking at " ???

andyman · Joined: 08 Dec 2012 Posts: 5602 Location: Penrith

My 1991 L300 doesn't make this clonk. Is it significant that it is too early to have an anti-roll bar? And no, they never had ABS - it's something else to get full of mud on an off-roader and give you a light on the dash that fails the MoT!
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