DIY ~ 7th Gen 4afe/7afe Upper Intake Manifold Cleaning - Toyota Nation Forum : Toyota Car and Truck Forums
Corolla 7th Generation (1993-1997) Specific discussion of the 7th generation

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post #1 of 20 Old 10-07-2007, 11:10 AM Thread Starter
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DIY ~ 7th Gen 4afe/7afe Upper Intake Manifold Cleaning

...meh the carbon goblins were busy inside my intake ...carbon is only nice in its fiber form : ...not this ish...so, after 165k+ miles and never cracked anything open, shubert & I said lets clean out the intake manifold...boredom on sundays is a thing of the past! here is the before & after pic...

thanx to shubert...without your patience and my n00bness...i would of never of cleaned it...like i told you this morning, i sw like err, 10:15am...he better know wtf he's doing...
1. Make sure you have HEX sockets, allen wrenches will work, but are a biotch to hand turn...also a couple of cans of TB, Intake, Carb Cleaner...a couple of beers, and about 30 minutes to an hour...remove any strut bars or anything that will need to be removed prior to the intake coming off...

Remove the PCV Valve and hose and do the same with the hose to the right...

Go ahead now and unplug the fuel injectors from the wiring harness...

Next remove all the hoses running from the top of the Throttle Body running to the EGR, (This is not required on all 7th gens, some dont have EGR)



Next remove the bottom throttle cable, (take the butterfly and raise it all the way up like WOT, and just shimmy it off)

With all those removed, unbolt the throttle body, (one bolt in each corner)


Once all bolts are out, pull the TB off...

Heres where the Hex sockets come in handy...

Location of the bottom bolts

If your hoses dont come off by lite hand pulling, use a pair of pilers...


You really cant see it but the EGR has a bracket that holds in onto the intake...you must take this off to get the EGR bracket off...

Another shot of the bolt...BTW...if you search, you could find a threaded NOS injector that will fit...just dont bolt the bracket back on, it can be relocated on the firewall...

トヨタ... それは実際にホンダのろばを打つ!
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95 DX 7AFE - ahhh, the slowness...daily driver
07 Yaris 1NZFE - i thought i was slow...wife's car
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post #2 of 20 Old 10-07-2007, 11:12 AM Thread Starter
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eeeewwwwww....damn carbon goblins...



ALL CLEAN NOW!

...but the bottom manifold is still dirrrty! think a "catch-can" isn't worth it...imagine doing this chore every oil change!



...to again quote the infamour haynes manual...installation is reverse of removal...just make sure you put the correct hoses back to their prospective spots...

トヨタ... それは実際にホンダのろばを打つ!
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post #3 of 20 Old 10-07-2007, 11:34 AM
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its an EGR issue.... EGR makes the manifold look like shit
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post #4 of 20 Old 03-21-2008, 07:47 PM
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idle problems?

did u have any idle problems when u did this?
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post #5 of 20 Old 03-21-2008, 09:26 PM
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i dont have EGR, i wonder how mine looks in there?
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post #6 of 20 Old 03-22-2008, 01:31 AM
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dang thats dirty! I should clean my intake maifold!!
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post #7 of 20 Old 03-22-2008, 01:32 AM
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oh yeah great illistration by the way.
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post #8 of 20 Old 03-22-2008, 07:04 AM
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Have you noticed any improvements now that you're half carbon-freed?

---- Bug, 82 TE72, 3TC/A40 -------|- Jezebel, 96 AE102, 7AGE/A245E --

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post #9 of 20 Old 07-03-2010, 06:45 PM
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can yo update the pics? cant see them?

thanks



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post #10 of 20 Old 07-03-2010, 07:13 PM
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Quote:
Originally Posted by miib14 View Post
can yo update the pics? cant see them?

thanks
Doubtful since the OP hasn't posted here in over 2 years.
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post #11 of 20 Old 07-03-2010, 07:31 PM
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One of the downsides of using PhotoBucket to host images

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post #12 of 20 Old 07-03-2010, 07:41 PM
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Whoa, where are the pics?I want to see those. lol

You are the only Exception...
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post #13 of 20 Old 08-24-2010, 12:08 PM
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Is there a way to get some updated pics since all the ones that were posted have been moved or deleted.

Or does anyone have another link to do this kind of maintanance?

Last edited by scott26; 08-24-2010 at 12:12 PM.
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post #14 of 20 Old 09-15-2010, 02:47 PM
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ya is there any way to see those photos
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post #15 of 20 Old 09-15-2010, 05:03 PM
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This thread is a fail
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