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Old 02-20-2013, 01:14 PM   #1
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30k injector throttle body cleaning?

My dealer recommended that the throttle body and injestors be cleaned at 30k miles. Not sure if this is the place to post this or not? Not that I dont believe them... lol, but just wanted your guys input. Around $210 for the job.
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Old 02-20-2013, 01:23 PM   #2
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Throttle body is incredibly easy to do yourself. Not sure about injectors. I'm at 34k and haven't done them. But I also havent taken my car to a dealer in over 15k miles.

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Old 02-20-2013, 01:38 PM   #3
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Yup this is in my 40,000km service. Ive never brought it to the dealer apart from first oil change and really dont want to give them my car.

It states its engine top cleaner

Check your manual. Debating on what to do, rather seafoam it my self
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Old 02-20-2013, 02:23 PM   #4
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This is my daily driver and gets around 300 miles put on it each week. Just want to make sure that I am keeping up with the up keep of the car. I always have taken the car to the dealership for oil changes, yes I know that its cheaper to get it done else where. Need to stop, but they take such good care of it..... keeps me going back for the litle extra cash. Just wanting input on what you guys think.
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Old 02-20-2013, 02:28 PM   #5
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If you don't mind paying, I'd definitely go get it done.
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Old 02-20-2013, 02:39 PM   #6
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I think they are reffering to an upper induction cleaning serivce. Put on a RX catchcan and you will never need it again.

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Old 02-20-2013, 03:26 PM   #7
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I think they are reffering to an upper induction cleaning serivce. Put on a RX catchcan and you will never need it again.

Got a rx catch can on her. Put it on with in the first few months of having it.
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Old 02-20-2013, 08:10 PM   #8
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Got a rx catch can on her. Put it on with in the first few months of having it.
Then I wouldn't bother with the dealer for this service. There's nothing to foul the intake or valves without the oil getting in there.

You don't need this service if you have the proper catch can installed, and you do.

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Old 02-20-2013, 09:11 PM   #9
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if we put the catch can on it, will the oil that we already have in it eventually go away some how or will I have to clean that?
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Old 02-21-2013, 01:05 AM   #10
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if we put the catch can on it, will the oil that we already have in it eventually go away some how or will I have to clean that?
It'll have to be cleaned out. Nothing but air (and oil, if you don't have a catch can) goes through there, all the way into the cylinders.

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Old 02-22-2013, 01:37 AM   #11
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Hold on, so if you have a catch can. You will have ZERO carbon build up? That doesnt seem to make sense to me
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Old 02-22-2013, 07:29 AM   #12
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Hold on, so if you have a catch can. You will have ZERO carbon build up? That doesnt seem to make sense to me
No. Just not nearly as much. Thus not needing to be cleaned as often.

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Old 02-22-2013, 07:49 AM   #13
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Not just ant catchcan.....were talking the RX catchcan that traps all, or nearly all the oil from ingestion. Most allow as much or more through than they trap.

And yes, if installed when new, we have a customers car (LLT DI) w/62k miles last we looked and the only deposits are a light colored coating we attribute to the other combustion byproducts as it has not changed the shape of the valve or port like the oil caused ones do.

Tell me your thought of why TJ91, and it will help me understand how your looking at it..here is a good thread with pictures of all:http://www.camaro5.com/forums/showth...=265217&page=4

Here are some pictures.

Anyone with a LS3/L99, remove your TB and look inside your IM and see what is ingesting. This car came the next day after delivery from the dealer:


Picture of SC and housing using a RX catchcan from day one for 16,000 miles VS a intercooler after 14,000 miles w/no can:









Scouring on pistons from carbon breaking loose:


Oil ingestion causes buildup on the piston rings and ring lands preventing them from moving freely to properly seal...resulting in loss of power and excess oil consumption:



Actual pictures from GM TSB:



Below is a LY7 3.6l GM V6 port injection with 140,000 miles:

Intake from LLT on left w/can from new, right w/out:
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Old 02-24-2013, 10:28 PM   #14
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Arrow Ditto...

Quote:
Originally Posted by TJ91 View Post
Hold on, so if you have a catch can. You will have ZERO carbon build up? That doesnt seem to make sense to me
Regardless of having a CC oil vapor will still get into the intake. It will still get mucked up... only a bit less so than stock.

If one is under warranty it is a good idea to get the dealer service.

Documentation of dealer service performed... priceless.

Just my 2-cents... deposited.
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Old 02-25-2013, 11:15 AM   #15
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Regardless of having a CC oil vapor will still get into the intake. It will still get mucked up... only a bit less so than stock.

If one is under warranty it is a good idea to get the dealer service.

Documentation of dealer service performed... priceless.

Just my 2-cents... deposited.

With most all cans that is a correct statement, but not w/the RX can...have enough pictures posted to prove it.

The deposits are from oil ingestion in the intake air charge, and with one test car with over 62,000 miles and no gunked up valves thats a pretty good test. Tons of others w/less lies on showing the same.

And dealer never does upper induction or TB cleaning at no cost....its a non warranty service.

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Old 02-25-2013, 09:06 PM   #16
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Quote:
Originally Posted by SC2150 View Post
With most all cans that is a correct statement, but not w/the RX can...have enough pictures posted to prove it.

The deposits are from oil ingestion in the intake air charge, and with one test car with over 62,000 miles and no gunked up valves thats a pretty good test. Tons of others w/less lies on showing the same.

And dealer never does upper induction or TB cleaning at no cost....its a non warranty service.

Then an Rx catch can may be the functional mod in my nearest future.
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