Intake clean. WOW!

bkesting · January 29, 2018

On 1/27/2018 at 9:43 PM, Austin66 said:

Get the CRC GDI IVD cleaner.

It's better or different than the Seafoam treatment? I have the Seafoam stuff already, but if CRC is better I'll do an exchange

Aaron1085 · January 29, 2018

Man, my driving is conservative, 85% around town and my 5.3 with 21,000 miles averages 16mpg.

Perhaps going 80+ on the highway doesn't help but still ... figured I'd do a touch better.

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Austin66 · January 29, 2018

23 hours ago, tanner709 said:

Awesome thanks for the info, I appreciate it. I'll be looking into this method as I have 30k miles on the truck, no preventative maintenance/mods done in regards to this buildup.

Do you have any pictures, before and after?

Unfortunately, no I didn't take pics. There've been a few users on here that have taken pics with trucks in the 40-60k mileage range. It basically looked like that so I didn't see the point. I did spic n span on the first valve and port and after that said screw the port and just did the valves lol. It was taking alot of time. Not to mention, the back 2 valves, if you don't have a borescope, you have to jam your head in an inch from the port to look inside. Not fun.

Austin66 · January 29, 2018

4 hours ago, bkesting said:

It's better or different than the Seafoam treatment? I have the Seafoam stuff already, but if CRC is better I'll do an exchange

The CRC is made for the exact issue this thread is about: oil coking/buildup on the back of direct injection valves. Its like a couple bucks more than the seafoam aerosal. Just get it.

bkesting · January 30, 2018

52 minutes ago, Austin66 said:

The CRC is made for the exact issue this thread is about: oil coking/buildup on the back of direct injection valves. Its like a couple bucks more than the seafoam aerosal. Just get it.

That's why I love this forum! I will do that. Does the CRC product come with the same type of applicator straw like the Seafoam product?

Austin66 · January 30, 2018

Yes...foldable, non-detachable straw so it doesn't get sucked in the engine lol

F4Gary · January 30, 2018

15 hours ago, bkesting said:

That's why I love this forum! I will do that. Does the CRC product come with the same type of applicator straw like the Seafoam product?

If you take the intake tube off, you don't need the straw. Just hold the can in front of the throttle body butterfly valve and spray away.

I did this a couple of weeks ago with 56,000 miles on my truck. I can't really tell a difference around town.

bkesting · January 30, 2018

29 minutes ago, F4Gary said:

If you take the intake tube off, you don't need the straw. Just hold the can in front of the throttle body butterfly valve and spray away.

I did this a couple of weeks ago with 56,000 miles on my truck. I can't really tell a difference around town.

Doing some research online and I see quite a few posts from people who say not to spray any type of cleaner into the engine as it has a good chance to cause damage to pistons and cylinder walls from large pieces of crystalized deposits breaking off.

What are some of your guys' opinions on this?

Pearl2017 · January 30, 2018

I wouldn't and wont hesitate run a cleaner thru the intake when the time comes. The carbon wont hurt anything unless you do the clean then run in V4 mode running it thru. My thinking is that part of what makes these engines so powerful is their ability to move large amounts of air thru the combustion chambers. This means that exhaust evacuation and scavenging works really really well. So when the exhaust valve opens does anyone believe that tiny bits of relatively light carbon wont get sucked out of the cylinders?. And of course the catalytic incinerator underneath wont have too much trouble digesting what comes thru either within reason. $.02

Austin66 · January 31, 2018

10 hours ago, bkesting said:

Doing some research online and I see quite a few posts from people who say not to spray any type of cleaner into the engine as it has a good chance to cause damage to pistons and cylinder walls from large pieces of crystalized deposits breaking off.

What are some of your guys' opinions on this?

That was part of the reason I decided to manually clean. I was concerned about too much junk getting sucked into the cc. Would CRC/seafoam/etc be effective enough to do this? I don't know and I honestly didn't want to find out. I can tell you while the non-afm valves were lightly coated with sludge, the base of the afm valve stems were completely caked. It was hideous. Easily took me 3-4 times as long to completely clean.

truckguy82 · January 31, 2018

8 hours ago, Pearl2017 said:

I wouldn't and wont hesitate run a cleaner thru the intake when the time comes. The carbon wont hurt anything unless you do the clean then run in V4 mode running it thru. My thinking is that part of what makes these engines so powerful is their ability to move large amounts of air thru the combustion chambers. This means that exhaust evacuation and scavenging works really really well. So when the exhaust valve opens does anyone believe that tiny bits of relatively light carbon wont get sucked out of the cylinders?. And of course the catalytic incinerator underneath wont have too much trouble digesting what comes thru either within reason. $.02

Self cleaning oven that turns carbon into dust = 900-1000 degrees

catalytic converter = 1200-1600 degrees

nluchau · January 31, 2018

I thought I had read somewhere where an oil change is recommended after doing this? Can anyone tell me if this is true? I just had an oil change but I would like to try this.

Thanks

sk · January 31, 2018

If you want a really great cleaning look for a shop that offers BG Products services. They actually force cleaners through all the major systems using special equipment. If you have it done regularly they even have a warranty on the serviced systems (fuel, trans, oil, steering, brakes, etc. depending on which package you get). It can get a little costly but if you are keeping the vehicle for a while it is worth it.

You can also buy individual bottles of some of their cleaners and put it in the system by yourself just like Seafoam, CRC, etc. This doesn't do as good a job as the Professional service and doesn't carry a warranty but it still helps a lot.

https://www.bgprod.com/

Edited January 31, 2018 by sk

Colossus · February 1, 2018

7 hours ago, sk said:

If you want a really great cleaning look for a shop that offers BG Products services. They actually force cleaners through all the major systems using special equipment. If you have it done regularly they even have a warranty on the serviced systems (fuel, trans, oil, steering, brakes, etc. depending on which package you get). It can get a little costly but if you are keeping the vehicle for a while it is worth it.

You can also buy individual bottles of some of their cleaners and put it in the system by yourself just like Seafoam, CRC, etc. This doesn't do as good a job as the Professional service and doesn't carry a warranty but it still helps a lot.

https://www.bgprod.com/

Ditto.

SWOYER · February 1, 2018

Haven't had a chance to do the CRC yet, but I'm gonna do it soon, hear good things. I think the VW guys have it the worst with the GDI engines, and I assume our problems will be similar even if slower