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Author Topic: Cleaning inlet valves  (Read 3015 times)

Offline Pesky jones

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Cleaning inlet valves
« on: June 14, 2016, 12:49:43 pm »
I'm going to look at cleaning my inlet valves in the next couple of weeks. Just trying to get some information before I start.

I will be manually cleaning them, scraping away. How do people get the scraped off carbon out?

In photos, all valves seem to be at the same level, am I being a bit dim?

What chemicals have people used? Ive heard of oven cleaner being used...

Also, in this guide https://www.goapr.com/support/install/Accessories/2.0T_FSI_RFD/fsi_runner_flap_delete.pdf

Step 23) asks you to remove the three bolts holding on the HPFP, why? Why do you need to remove the HPFP? Is this part of the installation of the runner flap delete kit that this guide is actually for - so if yore just removing the inlet manifold do you not actually need to?
« Last Edit: June 14, 2016, 01:00:22 pm by Peskyjones »

Offline CarlW

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Re: Cleaning inlet valves
« Reply #1 on: June 14, 2016, 12:55:19 pm »
Have it media blasted once dismantled?

Offline Pesky jones

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Re: Cleaning inlet valves
« Reply #2 on: June 14, 2016, 12:58:56 pm »
I won't be removing the head. I will just remove the inlet manifold to access the valves. I assume you don't get mobile walnut blasters?

Offline r5gtt

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Re: Cleaning inlet valves
« Reply #3 on: June 14, 2016, 01:14:53 pm »
Someone wad selling the machine for £1500 but it's only a liquid based one and not walnut blasting.

Offline CarlW

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Re: Cleaning inlet valves
« Reply #4 on: June 14, 2016, 01:23:01 pm »
Something like this product as well as scrapers and picks, pretty sure i've also read somewhere that someone has used petrol before? someone else may comment on that though
http://www.ebay.co.uk/itm/BG44K-Petrol-Fuel-Injector-Engine-Cleaner-FREE-DISPOSABLE-FUNNEL-CHEAPEST-/162101749507?hash=item25be046703:g:HyQAAOSwmtJXXYgf

Offline ReflexRob

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Re: Cleaning inlet valves
« Reply #5 on: June 14, 2016, 07:57:56 pm »
Will be interesting to see your results,  I might be doing it soon.

A garage near me uses a system called tunap 13400 which sprays hard organic particles at the valves (manifold removed) and then a detergent that dissolves the particles to prevent damage.

Costs only 250 quid but nobody seems to have tried it other than a guy with an rs4. the pictures look impressive though.

Offline dubvrs

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Re: Cleaning inlet valves
« Reply #6 on: June 14, 2016, 11:02:38 pm »
Will be doing mine just getting bit to do other jobs at the same time.

I have purchased a product called Carbon off. Highly rated in the states for these engines. Will see how it goes when do it.

Offline Chris92

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Re: Cleaning inlet valves
« Reply #7 on: June 15, 2016, 12:01:17 am »
You want the intake valves shut when cleaning them so you will need to rotate the crank by hand to close them as you work your way across. BG induction system cleaner is great for this job also a airline is handy for blowing all the crap out that you have picked off.

Offline omeydz

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Re: Cleaning inlet valves
« Reply #8 on: June 15, 2016, 02:42:04 am »
Interested in this too!
Recently back on the forum! Good to be back
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Offline Pesky jones

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Re: Cleaning inlet valves
« Reply #9 on: June 15, 2016, 09:04:24 am »
You want the intake valves shut when cleaning them so you will need to rotate the crank by hand to close them as you work your way across. BG induction system cleaner is great for this job also a airline is handy for blowing all the crap out that you have picked off.

Thanks Chris, good info. That's what I had assumed about the valves, but my eyes must have been playing tricks on me when I've seen picture of the valves exposed all together in one picture because I thought they all looked level.

So products so far
Carbon off
BG induction system cleaner