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Author Topic: Engine noise, terminal?  (Read 76788 times)

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Matchless

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Re: Engine noise, terminal?
« Reply #375 on: 30 March 2010, 15:54:32 »

Quote
I am going to put it all back together tonight and go for a start-up.....then some T2 tests.

Mark, if you want an excuse to delay this another day or two then I'm in need of a strong pair of hands on some 4m worktops.
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Marks DTM Calib

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Re: Engine noise, terminal?
« Reply #376 on: 30 March 2010, 20:51:12 »

Dow, you should have called me.

Hmmmm......well, what can I say....
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tunnie

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Re: Engine noise, terminal?
« Reply #377 on: 30 March 2010, 20:52:07 »

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Dow, you should have called me.

Hmmmm......well, what can I say....

Still dead?
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Marks DTM Calib

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Re: Engine noise, terminal?
« Reply #378 on: 30 March 2010, 20:53:10 »

Who knows, still puting it back together and its F cold!

About another hour yet to complete assembly and then test....
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feeutfo

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Re: Engine noise, terminal?
« Reply #379 on: 30 March 2010, 20:57:41 »

right radio silence for an hour please.

let him get on with it. ;D
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cem_devecioglu

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Re: Engine noise, terminal?
« Reply #380 on: 30 March 2010, 21:01:09 »

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Who knows, still puting it back together and its F cold!

About another hour yet to complete assembly and then test....

if you catch cold, who is gonna repair that car.. go home ;D :y
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Marks DTM Calib

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Re: Engine noise, terminal?
« Reply #381 on: 30 March 2010, 21:25:59 »

Its back together and running.

No fault codes

No exhaust tick

A light tap noise can be heard, I have heard worse though

Injector cutoff test done......all cylinders firing, tap noise does not change in volume.....this effectively rules out the bottom end as the lack of firing on a cylinder would reduce the load on little and big end bearings hence the noice generaly stops or at least significantly quietens down under this test.

Now, I did notice a slightyly weak follower on No 1 cylinder inlet valve no 2.....

So.....2 choices.....get it stinking hot and see if it quietens down or (and the prefered choice), swap the followers on No1 bank.

« Last Edit: 30 March 2010, 21:28:23 by Mark »
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TheBoy

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Re: Engine noise, terminal?
« Reply #382 on: 30 March 2010, 21:29:09 »

Quote
Its back together and running.

No fault codes

No exhaust tick

A light tap noise can be heard, I have heard worse though

Injector cutoff test done......all cylinders firing, tap noise does not change in volume.....this effectively rules out the bottom end as the lack of firing on a cylinder would reduce the load on little and big end bearings hence the noice generaly stops or at least significantly quietens down under this test.

Now, I did notice a slightyly weak follower on No 1 clinder inlet valve no 2.....

So.....2 choices.....get it stinking hot and see if it quietens down or (and the prefered choice), swap the followers on No1 bank.

do you feel better/worse/indifferent to the noise before (granted you only heard on phone) ?
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Entwood

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Re: Engine noise, terminal?
« Reply #383 on: 30 March 2010, 21:30:07 »

Sounds like you've virtually fixed it ...   :y :y :y :y

Nice one  ;) ;) ;) ;)
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Marks DTM Calib

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Re: Engine noise, terminal?
« Reply #384 on: 30 March 2010, 21:30:33 »

Quote
Quote
Its back together and running.

No fault codes

No exhaust tick

A light tap noise can be heard, I have heard worse though

Injector cutoff test done......all cylinders firing, tap noise does not change in volume.....this effectively rules out the bottom end as the lack of firing on a cylinder would reduce the load on little and big end bearings hence the noice generaly stops or at least significantly quietens down under this test.

Now, I did notice a slightyly weak follower on No 1 clinder inlet valve no 2.....

So.....2 choices.....get it stinking hot and see if it quietens down or (and the prefered choice), swap the followers on No1 bank.

do you feel better/worse/indifferent to the noise before (granted you only heard on phone) ?

Difficult to tell given I only heard a recording and over the phone.

To me, its not bad.....but, could be better.
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Darth Loo-knee

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Re: Engine noise, terminal?
« Reply #385 on: 30 March 2010, 21:32:10 »

I have some Lifters if some are needed :y in fact a whole bank as the other bank are for someone else :y
« Last Edit: 30 March 2010, 21:33:02 by Loo-knee »
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TheBoy

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Re: Engine noise, terminal?
« Reply #386 on: 30 March 2010, 21:35:05 »

Quote
Quote
Quote
Its back together and running.

No fault codes

No exhaust tick

A light tap noise can be heard, I have heard worse though

Injector cutoff test done......all cylinders firing, tap noise does not change in volume.....this effectively rules out the bottom end as the lack of firing on a cylinder would reduce the load on little and big end bearings hence the noice generaly stops or at least significantly quietens down under this test.

Now, I did notice a slightyly weak follower on No 1 clinder inlet valve no 2.....

So.....2 choices.....get it stinking hot and see if it quietens down or (and the prefered choice), swap the followers on No1 bank.

do you feel better/worse/indifferent to the noise before (granted you only heard on phone) ?

Difficult to tell given I only heard a recording and over the phone.

To me, its not bad.....but, could be better.
I thought it sounded bad enough I didn't want to drive it  :-/
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TheBoy

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Re: Engine noise, terminal?
« Reply #387 on: 30 March 2010, 21:38:28 »

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get it stinking hot and see if it quietens down
I know it hasn't run for more than 5mins in last month, but would like to think oil is good/fresh enough that it should circulate well? Or have I misunderstood?
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Marks DTM Calib

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Re: Engine noise, terminal?
« Reply #388 on: 30 March 2010, 21:43:15 »

Deal done on a set of known good lifters.

Oil should be fine....it will only take 3 hours or so to fit them and jobs a good un
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TheBoy

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Re: Engine noise, terminal?
« Reply #389 on: 30 March 2010, 21:46:29 »

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Deal done on a set of known good lifters.

Oil should be fine....it will only take 3 hours or so to fit them and jobs a good un
:D :D :D

Not sure I understand why letting it roast would/could quieten down more than running for a few mins (surely after a few mins, the oil should have pumped up lifters (as I assume that lifters aren't clogged with old oil, given the oil service strategy))?
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Grumpy old man
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