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Old 03 Feb 2018, 08:19 am
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Default Cylinder sleeves

Why does Rock Auto carry cylinder sleeves for the 2.4? Are these replaceable instead of boring cylinders? Like how Scoob? Pressed in? Heat shrink fit?
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Old 03 Feb 2018, 09:30 am
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Default Re: Cylinder sleeves

No sleeves in the 2.4, it has an all iron block. What are you wanting to accomplish?

It is possible for an automotive machine shop to bore and fit new sleeves however, given these engines are pretty common, it may be better to get another block. Be aware there are a few different blocks depending on year and if turbo.
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Old 03 Feb 2018, 09:42 am
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Default Re: Cylinder sleeves

Mine is a 2008 and has 174,000 miles on it with 74,000 on a rebuilt head. Has the rear main seal leak. I am done with it but plan on giving to my daughter. I know the compression must be low in one or all cylinders. I mean its 4 cylinder with a lot of miles. So, I have been looking at rebuild parts. If I need to go into that much depth to fix the stupid leak I may as well refurbish the engine. As cheaply as possible.
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Old 03 Feb 2018, 10:36 am
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Default Re: Cylinder sleeves

Get a new set of rings for it. Just make sure you hone the cylinders and measure the ring gap before putting them on the pistons.
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Old 03 Feb 2018, 10:41 am
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Default Re: Cylinder sleeves

When I had the head off at 94,000 I cleaned the carbon off the tops of the pistons. For unleaded fuel I was surprised at the amount. I am guessing there is blow by as the intake plenum had oil in it. New PCV but this engine always used oil even before the leak.
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Old 03 Feb 2018, 11:47 am
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Default Re: Cylinder sleeves

Quote:
Originally Posted by L2fish View Post
When I had the head off at 94,000 I cleaned the carbon off the tops of the pistons. For unleaded fuel I was surprised at the amount. I am guessing there is blow by as the intake plenum had oil in it. New PCV but this engine always used oil even before the leak.

my 2... it's a PT cruiser. just let her drive it. she can check the oil.

at 276k the rings were "ok" in mine. only damage i noted was spalling on the cam lobes, oil leaks everywhere, and it used about a quart and a half between oil changes. when i had it apart to do the clutch, the rear main seal was fine but EVERYthing else appeared to be leaking. thought about fixing it all for a second(maybe less) while admiring all the leaky caked on crap, but my brain turned on, picturing cleaning/prepping parts for days on end on. i snapped back to reality and decided to just drive it. i'm glad i did too because of all the crap that led to the downfall of my PT, none had to do with oil leaks, compression, or the shortblock



you've been around the block here and are well versed in car repairs. i've read your posts and am kinda surprised you would even consider rebuilding it after reading your rants about the way the engineers made it "fun" to work on. i'm also sure you know the oil in the plenum is from the pcv and make up air hose no amount of blow-by is going to get the intake plenum dirty.
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Old 03 Feb 2018, 12:14 pm
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Default Re: Cylinder sleeves

Rob your right. I should just let her drive it. Except that oil leak stinks. At first I thought it was the oil pressure sending unit. Changed it, nope. Ok maybe its the Crankshaft sensor. Hmmm, where the F near the starter is it? I ain't seeing nuthin. Then the oil is all over the place so I figure it must be slinging all over from the flywheel coming out the bottom and road draft going everywhere. If the bastard thing would just leak sitting there. Maybe I could make some sort of deflector off the motor to bellhousing bolt to deflect the oil to away from the exhaust. Or a catch basin. LOL. I have put a lot of things into the car and its pretty solid mechanically except the high mileage. So motor and transaxle are the weak points. I have driven it for 7 years and just want something else. and it is a PIA to work on. I cannot imagine puling the motor although I do see it a challenge! Kind of like a big lawnmower engine. Right now between my old Iron head Harley and other things there is a lot on my plate. so I am leaning towards your suggestion!

Last edited by L2fish; 03 Feb 2018 at 12:19 pm.
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Old 03 Feb 2018, 12:37 pm
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Default Re: Cylinder sleeves

if it stinks, the has to be up high then, above the exhaust, no? like valve cover, cam seal, etc.. ?
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Old 03 Feb 2018, 12:56 pm
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Default Re: Cylinder sleeves

Rob, Not the valve cover I have run my finger all over the back seam. Dry. I was thinking maybe cam plugs. But its in the front of the engine too, mostly at the tranny interface. It could be slinging around from the axles too. A buddy suggested dye and a black light. Oh yeah I said it will look like a modern art painting.
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Old 03 Feb 2018, 02:11 pm
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Default Re: Cylinder sleeves

never buy rebuild parts until the engine is fully disassembled, measure and examine all the parts to determine what needs to be replaced.
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