Cleaning EGR

[DJMK4]

Hi all,

Just a quick question really, I am due to clean out the EGR valve again, tackled this a couple of years ago, last time I used a can of spray carb cleaner, and a lot of elbow grease, was wondering is there a preferred method of getting the liquid stuff and pouring it in a container, and placing the EGR value in and letting it soak for a while before trying to get all the crud out?

BMW 320D E90 is the car,

 

[DJMK4]

Im going to have a nosey in halfords and eurocarparts tomorrow I think for the cleaning agent.

Need something stronger than a toothbrush this time


I was using a toothbrush and a big flathead.

Some sort of wire brush I think will be good

 

[DJMK4]

Just got some carb cleaner for £3.50 and a wire brush set (slightly larger version of a toothbrush) with wires on the end.

Yeh I know I should use good fuel really. I have been running up and down motorway over the last week.

 

[DJMK4]

Run out of cleaner, but here are the results, it wasnt as messy as I thought it would be, I was expecting a lot more in 2 years and running on not the best fuel.

Below was 2 years ago before I had given its first EGR clean in my ownership

Was going to take the MAF sensor off, as I have been reading up on that, and giving it a clean, people clean the actual MAF enclosure, but the important (and delecate thing) is a wire inside which is the actual sensor, and needs to be cleaned carefully with a cue tip or tip of some sort with a delicate cloth and some maf cleaner? anyone done this?

 

[DJMK4]

Cheers yeh i used a single can of carb cleaner with that and a wire brush. There was still a little bit there. I may try the petrol bath method next time if i ever have to clean an EGR.

Re maf
Yeh will go with that i think, although its the wire bit that needs the clean. I have been told elec contact cleaner, Or carb cleaner. Probably won't touch it if i do find it. I will just give it a spray and let it dry, need to read up more on it