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my prelude is burning an awful lot of oil...

 
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Old 11-02-2007, 09:08 PM
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my prelude is burning an awful lot of oil...

well... bought this 97 prelude back in august...

needed to replace the timing belt, so i replaced that and did a full tuneup on it... seems to be getting a steady 26-28 mpg.... but i've had to dump 5 quarts of oil into the damn thing since the oil change (just under 2000 miles ago)...

to start off, there are no puddles under the car... but, i know the valve cover grommets are leaking a bit, not THAT much though! Then, the top end is a little loud... and i noticed that the intake has an awful lot of oil in it (where the tube meets the throttle body)... so yea... planning on running a compression and leakdown test on it this weekend... but thinking possibly rings? (but cant imagine, since its only got 97000 miles on it)... or the valve guides and valve stem seals is what im thinking it is... but even then, thats an awful lot of oil!
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Old 11-02-2007, 11:15 PM
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do a dry compression test and if the numbers are inconsistant, drop a capful of oil into each cylinder. do another compression test and if the numbers get better, new piston rings.
is it smoking alot out the exhaust?
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Old 11-04-2007, 10:11 PM
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H22s use oil. That's all there is to it. Discussion ranges from it being the FRM cylinder bores to the oil rings on the pistons to many other things.

Honda Aust say that the tolerance is 1Litre per 10,000km (you do the conversion, I'm too lazy) however I have heard stories of 34,000km old Preludes having engine rebuilds (at Honda expense) due to oil usage way above tolerance.

I'm lucky with my car, it only consumes oil when I hold my throttle long enough to engage the VTEC solenoid. It's not uncommon for me to not use a measurable amount oil at all for 7500km, then go for a drive up the touge and use 1Lt in an afternoon.

Just keep an eye on it buddy.
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Old 11-05-2007, 02:17 AM
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5 quarts in under 2000 miles is way too much... thats a whole oil change in less than 2000 miles... no engine can be running efficiently if its burning that much oil!
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Old 11-05-2007, 02:54 AM
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I agree with that... I would imagine with that much oil loss the oil pressure cant be too great.. and I would think your engine would like its oil pressure.
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Old 11-10-2007, 07:09 PM
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so i did a dry compression test today....
1-155
2-150
3-125
4-158

what should it be at?
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Old 11-10-2007, 07:17 PM
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yea... well the wet compression test yielded numbers all right around the same...

what kind of compression pressure should this motor have?
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Old 11-10-2007, 08:52 PM
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does anyone know where to buy a good leakdown tester? I might get the one from Mac Tools... but i would like to get one from Napa Auto Parts if they make one... anyone know? or have one?
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Old 11-10-2007, 09:33 PM
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it looks like number 3 was not normal. that could be where the problem is. that is alot lower than the rest
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Old 11-10-2007, 09:49 PM
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Quote:
Originally Posted by 94ludeguy View Post
it looks like number 3 was not normal. that could be where the problem is. that is alot lower than the rest
i kinda figured that one out... but im needing to figure out if i need to rebuild the whole motor, or just redo the head.
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Old 11-10-2007, 09:59 PM
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rebuild your head man ( at least thats what I just got told )
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Old 11-10-2007, 10:18 PM
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yea... well, im gonna get me a leakdown tester and see where its leaking through... im hoping its as easy as just rebuilding my head, but im worried that i might have to rebuild the bottom end too.
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Old 11-10-2007, 11:30 PM
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Quote:
Originally Posted by 75 Power Wagon 340 View Post
5 quarts in under 2000 miles is way too much... thats a whole oil change in less than 2000 miles... no engine can be running efficiently if its burning that much oil!
Try a b21a1 and let's see if you complain

LOL...try using thicker oil for the time being and consider using a half a bottle of Lucas oil stabilizer until you can figure out what's going on with your oil burning problem...are you constantly driving in Vtec?

I will have to put my money on your exhaust valve guide...that can be suspect #1. If you are puffing out blue smoke, then that's a good suspect for your piston rings...
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Old 11-11-2007, 12:37 AM
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Quote:
Originally Posted by Prelude13 View Post
Try a b21a1 and let's see if you complain

LOL...try using thicker oil for the time being and consider using a half a bottle of Lucas oil stabilizer until you can figure out what's going on with your oil burning problem...are you constantly driving in Vtec?

I will have to put my money on your exhaust valve guide...that can be suspect #1. If you are puffing out blue smoke, then that's a good suspect for your piston rings...
well... already running thicker oil and some Power Punch stabilizer for the time being... and i am RARELY in Vtec... i drive it really economically.

im hoping its just valve guides... we will find out once i order a leakdown tester thoguh.
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Old 11-17-2007, 06:06 PM
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ouch cylinder 3. my prelude always burned thin oil. Go thicker if you can and check it often.
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Old 05-02-2009, 08:24 PM
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Re: my prelude is burning an awful lot of oil...

well i replce the piston ring and the problem got worst i used beck arnley brand because the honda rings where way to expensive maybe i should have install something better
maybe racing typt rings
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