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Foorum on lukus See teema on suletud, sa ei saa muuta postitusi või postitada rohkem vastuseid.  [ 3 postitust ] 
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 Teema pealkiri: N* EGR klapi puhastamine
PostitusPostitatud: 18 Okt 2007, 10:07 
Eemal
ravi puudub
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Liitunud: 01 Nov 2005, 21:11
Postitusi: 5492
Asukoht: Tallinn
Skype Kasutaja: eldorado67
Autor: Krashed989 Cadillacforums.com


How to clean a sticky EGR valve

This article pertains to all models with the OBD-I Northstar 4.6L V8.

The symptoms of a sticky EGR valve are surging while trying to keep the throttle steady (not to be confused with surging at idle), and
code P036 (E036). Although it is possible to have a sticky valve with no code (that's how mine was).

First of all, don't do this job when the engine is hot. You WILL burn yourself. Your first task is finding the Exhaust Gas Recirculation (EGR) valve.
It is located underneath the spark plug wire cover near the rear bank of the engine. You will have to move the spark plug wire cover, you
don't have to completely take it off. Just lift it up and lay it sideways on top of the engine.

Pilt

Now you need to unbolt the EGR valve. To do this, you will need a ratchet with an extension, and a 10mm socket.
Once you know the bolts are unscrewed all the way, don't try to remove them. Instead remove the whole EGR valve with the bolts still in the holes.
This will prevent you from dropping and loosing the bolts.

Pilt

Pilt

On the bottom of the valve you will see two holes, one that is plugged with what appears to be a screw and one that is open.
The screw like object is the valve. You should be able to press it in easily and when you let it go, it should close itself again (it's spring loaded).
The one I was working with was sticking in the closed position.

Pilt

To clean the valve, simply spray carborator cleaner on and in the valve and wipe the dirt off with a cloth. Be very careful not to get it into
the canister, as the carb cleaner is a very powerful deturgent that will eat away the insulation on the windings in the sensor.
The following picture shows what you should not do.

Pilt

The picture below on the other hand shows the right way.

Pilt

Once you're all done cleaning the valve, you can reuse the gasket and put it all back together. Just make sure that when you put the
spark plug wire cover back into place that it clears the water pump belt.

What you have just done, should take care of your P036 (also E036) code. You can go into diagnostics mode and clear the code. If by chance it
didn't take care of the code (the code comes back after clearing it and going for a test drive), repeat the process.
If you can't get the code to go away, no matter how many times you clean the valve, replace the valve.

Happy motoring,
Krashed989

*The same process works on '96 and newer obd-II cars, you just have to move the fuel lines out of the way to get the EGR out. And the code on '96 SLS is P1406.
Its also a good idea to clean the carbon deposit out of the EGR supply and outlet tubes on the engine.
* If you have had the fuel rail recall done, then you have a stainless steel fuel rail. There is no flex in it like the nylon rail. You must remove the rail and injectors.


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 Teema pealkiri:
PostitusPostitatud: 18 Okt 2007, 23:42 
Eemal
vaikne vend

Liitunud: 21 Mai 2006, 22:30
Postitusi: 22
Asukoht: Tallinn
Natuke selgusetuks jääb see kõige tähtsam osa - puhastamine.
Ära tee nii, vaid tee nii - leia piltidel 10 erinevust :?


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 Teema pealkiri:
PostitusPostitatud: 18 Okt 2007, 23:47 
Eemal
ravi puudub
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Liitunud: 01 Nov 2005, 21:11
Postitusi: 5492
Asukoht: Tallinn
Skype Kasutaja: eldorado67
no ei tea, ei tea. siin ju selitatud mida juhtuda ei tohi ;)

---Be very careful not to get it into the canister-----

ja sellepärast ei tohi olla klapp selili


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