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knocking

Posted: Sun Dec 19, 2010 2:13 pm
by accrag
this is doing my head in, have had a knocking now for a least a year like some one banging underneath with a hammer. happends at certain speeds, or when reversing out of drive, have changes all tyres to suit have changed prop shafts, work for a while but then come back again, has anyone out there had the diff box or transfer box changed,this could be it. it does feel if tho it is knocking in the middle section of the bongo, any suggestions much appreciated, accrag :wink:

Re: knocking

Posted: Sun Dec 19, 2010 2:34 pm
by skater
Anti-roll bar drop links?

Try rocking the Bongo :wink: and have a listen.

Would be a cheaper fix if that's the problem.

Re: knocking

Posted: Sun Dec 19, 2010 5:29 pm
by jaylee
Is it going over bump related...?

Re: knocking

Posted: Sun Dec 19, 2010 6:00 pm
by Aunt Trumpet
I've a very similar problem mate although mine seems to be just a tad more to the drivers side. Can't be droplinks as its not always there when going over bumps. Don't think its steering either as that feels fine....its an odd one but too damn cold to get underneath and have a look!!

Re: knocking

Posted: Sun Dec 19, 2010 6:07 pm
by missfixit70
Doesn't have to be there all the time for it to be droplinks (if it's lumps n bumps related), mine was giving intermittent knocks & bangs for months, which have now become more constant. Check out anti roll bar busshes & brackets too, could be a broken bracket which isn't always immediately obvious.
See if a local type tyre & exhaust place will stick it on the ramps for a proper look see, could be an exhaust knock or wheel issue after all :wink:

Re: knocking

Posted: Sun Dec 19, 2010 9:40 pm
by accrag
all drop links and roll bar bushes done, no noise when going over bumps or in pot holes. defintly drive related.

Re: knocking

Posted: Sun Dec 19, 2010 9:42 pm
by accrag
Aunt Trumpet wrote:I've a very similar problem mate although mine seems to be just a tad more to the drivers side. Can't be droplinks as its not always there when going over bumps. Don't think its steering either as that feels fine....its an odd one but too damn cold to get underneath and have a look!!
had mine on a ramp removed back prop. replaced props, still there. must be some one had the same probs.

Re: knocking

Posted: Sun Dec 19, 2010 9:44 pm
by accrag
skater wrote:Anti-roll bar drop links?

Try rocking the Bongo :wink: and have a listen.

Would be a cheaper fix if that's the problem.
thanks done that one replace alldrop links anti roll bar bushes.

Re: knocking

Posted: Sun Dec 19, 2010 9:57 pm
by widdowson2008
Daft question. Have you checked your wheel nuts are tight?

Re: knocking

Posted: Sun Dec 19, 2010 10:05 pm
by accrag
widdowson2008 wrote:Daft question. Have you checked your wheel nuts are tight?
thanks mate i had the knocking before i had new tyres fitted, and its still there, not a stupid question i no this could be a simple thing to cause it, thanks

Re: knocking

Posted: Mon Dec 20, 2010 12:51 am
by The Great Pretender
Spring or damper problem? Do you have a LSD fitted?

Re: knocking

Posted: Mon Dec 20, 2010 1:43 pm
by accrag
The Great Pretender wrote:Spring or damper problem? Do you have a LSD fitted?
DEFINTLY KNOCKING JUST BEHIND THE DRIVERS SEAT IN THE MIDDLE, YOU CAN ACTUALLY FELL THE KNOCK AS THO ITS BEING HIT WITH A HAMMER. THERE IS SLIGHT GIVE ON THE FRONT PROP TO THE TRANSFER BOX. SO THAATS WHY I THINK IT MIGHT BE THAT, WOTS FINK, THANKS