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Popping noise from engine when rocker cap removed

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Hello all

I have a mk1 Octavia 130 1.9tdi pd 2004

Syncro in third has been ropey for about 20k so when the clutch started to slip a few weeks ago it was time to transplant the engine and box for Seat Leon 130 tdi I had acquired last year with 100k of easy miles on the clock.

New cam belt kit

New dual mass with clutch

Darkside Developments uprated side intercooler with 51mm egr delete.

All fitted tidy

Engine pulls very very strongly throughout the Rev range.

However it is really noisy when I remove the rocker box cap.

I have been told many of the pd motors sound like this, but my previous one was quiet

I will attempt to post a video or a recording of the noise on here

Any advice on this would be greatly appreciated

Regards all.

Could just be the tandem pump exhaust making the noise

  • Author

Hi

I have no idea what that is or does lol

Thanks I will look into it

Can anyone explain how I would post the actual noise?

  • Author

Lol

I now know where the tandem pump resides

I will exchange it tomorrow for the one off my original motor

I would hold off on changing it, it might just be a normal noise or something completely different.

 

I'm not 100% sure on uploading videos to the forum as i've never done it but you could upload it to youtube and put a link to it

  • Author

Cheers will get that sorted in the morning

You tube I can do lol

You could take a punt at the tandem pump if you have a spare and don't mind the hassle in changing it I suppose. But it doesn't necessarily mean there is anything wrong with the current one.

 

Let us know the outcome if you do decide to go ahead

Edited by SuperbTWM

  • Author

Having just got out if the workshop after repairing the towbar

It suffered a rather hard interface with a rockfall cunningly disguised as a hedgerow

After some clown spilled diesel on a corner.

Can't be harder to change the pump than straighten and repair that lot lol

  • Author

Changed the tandem pump this morning

Has made a noticeable difference much qureter now still a little noisier than my last motor.

Have been told it may have a blockage in the breather which magnifies the sound.

Really canot be bothered to look at it lol

Thanks for the information

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