Engine repair question

coltarms · Post by **coltarms** » Sun Apr 09, 2006 11:26 pm

I'm posting it here because it's not a Tercel, it's my Jeep. Feel free to move this thread to the repair section if you feel it belongs there....

I just put a Banks header on my Jeep. It's a 2000 TJ 4.0L. I noticed that the inside of my intake manifold was absotively filthy. I mean filthy, filthy, filthy. I soaked it inside with almost an entire can of TB cleaner and let it sit until I was ready to put it back on. Some black stuff came out, but it was still covered with caked on black stuff. Carbon? It's multi-port injected. Will the same seafom/MMoil/water/soap Takza/Typrus method work? It seems that pouring water down the TB won't necessarily get it to the appropriate cyl?

My thought was disconnecting the throttle cable from the butterfly on the TB and using a spray nozzle on a hose to "mist" this carbon-cleansing-concoction into the intake in a way that it will be pulled into each cylinder. Am I overthinking this?

takza · Post by **takza** » Mon Apr 10, 2006 3:44 am

Think that stuff is from the PCV circulation...happens on EFI engines where the injectors are right at the valves...no gas to wash it off.

coltarms · Post by **coltarms** » Mon Apr 10, 2006 9:40 am

Tips on cleaning it? Will the same method as I use on the tercel work?

takza · Post by **takza** » Tue Apr 11, 2006 4:10 am

I have a V6 with this stuff...about the only I know to clean it would be some kind of serious dip (off engine) or manually.

Might be able to clean around the throttle body?

Mac · Post by **Mac** » Thu Apr 20, 2006 7:19 pm

probably the EGR, those things cake intakes with crap, which end up making the car burn more gass because it becomes less efficient, IMO EGR's do more harm than good in the long run.

anyways, to clean it your best bet is to soak it in solvent overnight or longer.

Fingers · Post by **Fingers** » Fri Apr 21, 2006 9:20 pm

I know it will sound like it will not work, but go to your auto parts store and but a big bottle of....dammit, can't remember the name of it. It is like Greased Lightning super degreaser or something. It is in a purple bottle. I picked up a bottle on sale and used it to clean my engine and such when I was doing the rebuild on the 4age. I figured anything in a plastic bottle would suck, but if you spray it down with this stuff and keep it wet for a few hours, you can remove most of it all using a simple wire brush or steel wool soap pads. The stuff is actually amazing. With just a quick spray and some hose action, my garage floor looks like new. Give it a try, it cleaned my intake, oil pan (easilly), inside my valve covers, all the nasty in the engine compartment, and most of the carbon from my head (with a little scrubbing).

Fingers

Soutthpaw · Post by **Soutthpaw** » Fri Apr 21, 2006 10:45 pm

It seems that he still has the intake on the vehicle and does not want to remove it. if its off the vehicle then just throw it in a parts washer and scrub it a bit. it will come clean.

Typrus · Post by **Typrus** » Sat Apr 22, 2006 6:56 pm

Watch out... Greased Lightning bleached my center console..... It'll bleach plastic...
Does wonders on grease though.
Hey, Simple Green works pretty well too!

Mac · Post by **Mac** » Mon Apr 24, 2006 8:52 pm

Soutthpaw wrote:It seems that he still has the intake on the vehicle and does not want to remove it. if its off the vehicle then just throw it in a parts washer and scrub it a bit. it will come clean.

yeah, parts washers are good, but at work it never seems to get the intakes clean, i;m sure if i left it in there long enough it would work, but your talking a good few hours.

Soutthpaw · Post by **Soutthpaw** » Mon Apr 24, 2006 9:53 pm

gotta scrub it with the brush in the parts washer else it wont come off

Mac · Post by **Mac** » Wed Apr 26, 2006 12:55 am

you must be spoiled, we don't get brushes

Soutthpaw · Post by **Soutthpaw** » Wed Apr 26, 2006 6:40 pm

parts washer without a brush is kinda like a car without a steering wheel. they sort of go togather ya know

coltarms · Post by **coltarms** » Wed Apr 26, 2006 11:16 pm

As fun as taking it off again sounds, I'm just gonna live with it. I'm gonna clean the injectors and replace the O2 sensor (the one before the cat) and run a double dose of engine cleaner through it. Should be ok enough after that....

Mac · Post by **Mac** » Thu Apr 27, 2006 2:02 am

Soutthpaw wrote:parts washer without a brush is kinda like a car without a steering wheel. they sort of go togather ya know

your talking about a solvent bath? because the parts washer i'm refering to is enclosed, its a hot lithium-soap parts washer. hot enough to burn you if your not careful.

Soutthpaw · Post by **Soutthpaw** » Thu Apr 27, 2006 3:29 am

yeah parts cleaner.... if you have a hot pressure washer those work real well
esp if you spray a cleaner on it first