L322 Td6 noise. Video attatched

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stuu

stuu

Well-Known Member
Posts
1,943
Location
Aberdeenshire
Td6 171k on it now.
Got an engine tap at idle upto 1100rpm.
Its had it since i got it 130k 18month ago.
It cant be heard from inside
Its noticeable each side of the motor.
Alot less head on.
Sounds fine from under the bonnet.

So far its had.....
Services 10k ish miles.
A gearbox and tc.
6 injectors reconditioned. 6 washers. Seals are all good no blow by.
New feed and return pipes.
New rocker cover gasket
New inlet gaskets
Egrs blanked off
No exhaust blows.
Exhaust manifold gasket and 1 stud broken stud sorted. No blows present before or after.

Iv just taken off a mint quiet running engine.
Vacuum pump
Powersteering pump
Waterpump
Alternator
Idler wheels and tensioner.

Its not got better or worse in the miles iv done.
 
To check that, get a long screwdriver or something similar and have to your ear and touch the body of the turbo. Then get someone to turn the engine off as you did in the video. If it's that loud you'll hear it through the casing on the turbo. ;)
 
Does the l233 have a viscous fan ,,or a crank damper ,the noise might not be one thing ,ticking could be a flexi plate if uv got one.:rolleyes: whirring might be an electric motor shutting down...;)
 
Turbos absolutely had it. About 4 mm of play in and out and its rubbed the polish off the casing.
20210515_105533.jpg
 
So turbo off. Had one off an x5 3.0. Actuator mounts slightly differently but it bolts and fires on.
Both torque and bhp curves are the same curve but the x5 has 10bhp more and 20nm more torque.
Took for a test drive feels absolutely brilliant now.
Just awaiting till monday for boy to make a map to suit it.
 
dubbleRR said:
Does the l233 have a viscous fan ,,or a crank damper ,the noise might not be one thing ,ticking could be a flexi plate if uv got one.:rolleyes: whirring might be an electric motor shutting down...;)
Click to expand...

I toom viscous off no change. Totally new noise.
Noise was definitely through the exhaust.
 
dubbleRR said:
Does the l233 have a viscous fan ,,or a crank damper ,the noise might not be one thing ,ticking could be a flexi plate if uv got one.:rolleyes: whirring might be an electric motor shutting down...;)
Click to expand...
It had a gearbox and flex plate 17k mile ago in December. And just last week had all the crank damper ect off a car i broke up that run absolutely silent. I was in the mind set of just throwing the whole engine in
 
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