Loud clanging/knocking sound.
Discussion
Ok,here's a probably useless vague description of what happened.
Every time I reached 2000 revs I started to get a quite loud metallic clanging knocking sound.It lasted until 2400 revs then goes away again.This happens in every gear between the same rev range.Doesn't happen when revs are dropping ,using no throttle.
It didn't matter if I used slight or hard acceleration,the sound was just more aggressive if I accelerated harder.
It's not coming from the engine,its definitely underneath prob mid to rear but hard to pinpoint.
It's similar to the knocking sound it makes if its stalling and the revs are just about to die.( but maybe its only mine that does that!).It's very noticeable & quite disconcerting.
She also seems to be labouring a bit at lower revs.On start up she has stalled a few times lately as well.Firing up ok but the revs die over 2-3 seconds & she stalls.I have to blip the throttle & catch it again before the revs drop to zero.
It may not be related but thought I'd throw it in.
Any ideas as I'm a numpty.
Cheers.
Every time I reached 2000 revs I started to get a quite loud metallic clanging knocking sound.It lasted until 2400 revs then goes away again.This happens in every gear between the same rev range.Doesn't happen when revs are dropping ,using no throttle.
It didn't matter if I used slight or hard acceleration,the sound was just more aggressive if I accelerated harder.
It's not coming from the engine,its definitely underneath prob mid to rear but hard to pinpoint.
It's similar to the knocking sound it makes if its stalling and the revs are just about to die.( but maybe its only mine that does that!).It's very noticeable & quite disconcerting.
She also seems to be labouring a bit at lower revs.On start up she has stalled a few times lately as well.Firing up ok but the revs die over 2-3 seconds & she stalls.I have to blip the throttle & catch it again before the revs drop to zero.
It may not be related but thought I'd throw it in.
Any ideas as I'm a numpty.
Cheers.
Almost certainly exhaust on chassis given the throttle information you supplied. Is it worse on left or right hand bends too? Sometimes the chassis flex can make it worse/better.
You'll need to get it on a ramp and work out what's hitting where and how to sort it. When I put ACT manifolds on mine they clattered no matter what I did, until I had solid gearbox mount made (polybush rather than rubbeR) and it transformed the car into a nascar (all the vibrations rock!) and the hitting noise went away. Best upgrade ever
You'll need to get it on a ramp and work out what's hitting where and how to sort it. When I put ACT manifolds on mine they clattered no matter what I did, until I had solid gearbox mount made (polybush rather than rubbeR) and it transformed the car into a nascar (all the vibrations rock!) and the hitting noise went away. Best upgrade ever
C3BER said:
Could you get 5th gear?
When you lost first and second did it just fail or go with a bang?
Thinking it may be just the exhaust rattling ,with my expert technical knowledge,I thought I'd give it a few beans to rattle it back into place.Was doing just over 4,000 revs &changed gear,think 3rd to 4th,it went in but went really limp.Pulling up at the lights I put it into 2nd which it did eventually,but very limply.Once stopped couldn't get 1st or 2nd but would go into 3rd.When you lost first and second did it just fail or go with a bang?
By the time rescue came I could get it into 2nd & drive it up the ramp.Once I got home & off the truck it was still the same- no 1st,but could use 2nd & also reverse.Not sure about 5th.Tried the box through the gears but 5th wasn't obviously in.
It didn't go with a bang,just incredibly limp .Clutch pedal felt the same.The gearstick gaitor surround came out though.Gearstick just wobbles everywhere.
My usual garages are all on holiday so she's back at home poor gal.
C3BER said:
Could you get 5th gear?
When you lost first and second did it just fail or go with a bang?
Thinking it may be just the exhaust rattling ,with my expert technical knowledge,I thought I'd give it a few beans to rattle it back into place.Was doing just over 4,000 revs &changed gear,think 3rd to 4th,it went in but went really limp.Pulling up at the lights I put it into 2nd which it did eventually,but very limply.Once stopped couldn't get 1st or 2nd but would go into 3rd.When you lost first and second did it just fail or go with a bang?
By the time rescue came I could get it into 2nd & drive it up the ramp.Once I got home & off the truck it was still the same- no 1st,but could use 2nd & also reverse.Not sure about 5th.Tried the box through the gears but 5th wasn't obviously in.
It didn't go with a bang,just incredibly limp .Clutch pedal felt the same.The gearstick gaitor surround came out though.Gearstick just wobbles everywhere.
My usual garages are all on holiday so she's back at home poor gal.
When my 3rd gear went it frightened the life out of me. as you know you sit right next to the gear box, so imagine the sound of of a lump of metal banging around inside the box at 4000 RPM, not nice. I'm surprised your's just went 'limp' (what about the Gear lever haha). If the Gear lever is all wobbly, and the Gear surround gaitor popped out, then have a look at the gear lever and see if that is still bolted securely to the shaft, they have been known to come loose.
Fingers crossed it vould be nothing worse than that.
APM Andy rebuilt mine - about a £1000 - ouch!
Fingers crossed it vould be nothing worse than that.
APM Andy rebuilt mine - about a £1000 - ouch!
Did you check by pulling, kicking or wobbling the exhaust to see if the noise was that? Which even though your box has gone west the noise could still be unrelated.
Fifth gear can be lost when things go slightly iffy with the box but yours sounds more like your leaver has come free and not moving the cogs, rods and other bits in the box to the right place.
When a box goes you will know about it as it smashes things all over the place and you get a jigsaw when you open it up.
So does your shaft (
) move up and down and round and around with your foot off your clutch?
Fifth gear can be lost when things go slightly iffy with the box but yours sounds more like your leaver has come free and not moving the cogs, rods and other bits in the box to the right place.
When a box goes you will know about it as it smashes things all over the place and you get a jigsaw when you open it up.
So does your shaft (
) move up and down and round and around with your foot off your clutch?RIGHT.That's the last time I use the word "limp" in a post.You lot have seen far too many Carry On films & read too much Viz! 
There definitely were no panic inducing bangs &crashes,which is good.Just a lot of "WTF is going on here then?!" So it may well be the shaft(
) which is good.
I did pull my pipes(here we go again fnaar fnaar) but they seemed pretty solid tbh (not limp anyway).Who knows what is going on under there!
I've got a couple of weeks off coming up so will put her up on axle stands & confirm my lack of mechanical knowledge.
Be prepared for a fortnight of" what's that round thing called" & "where's that then" with a few "what does it look like" thrown in for good measure.
Carry On Smiling.
There definitely were no panic inducing bangs &crashes,which is good.Just a lot of "WTF is going on here then?!" So it may well be the shaft(
) which is good.I did pull my pipes(here we go again fnaar fnaar) but they seemed pretty solid tbh (not limp anyway).Who knows what is going on under there!
I've got a couple of weeks off coming up so will put her up on axle stands & confirm my lack of mechanical knowledge.
Be prepared for a fortnight of" what's that round thing called" & "where's that then" with a few "what does it look like" thrown in for good measure.
Carry On Smiling.
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