Oil leak on left side of engine, no idea where it's coming from..

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CraigLloyd
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Oil leak on left side of engine, no idea where it's coming from..

Post by CraigLloyd » Sun Apr 14, 2019 12:53 pm

Was under my 07 base Vibe this weekend to change the oil and noticed oil residue and a couple of places where oil is dripping from, but I have no idea where it's originating from. No oil buildup on the belts, but nearly the whole left side toward the bottom rear is covered in oil residue. Anyway, here are some pics that speak for themselves. Any help would be appreciated!

Image

Image

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vibrologist
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by vibrologist » Sun Apr 14, 2019 6:34 pm

That is "left" when you stand in front of the car, correct? Typically that is referred to as the passenger side or right side. That's where the drive belt is. The most common oil leak is a failing O-ring of the timing chain tensioner on that side.
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zbyers
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by zbyers » Mon Apr 15, 2019 4:57 am

vibrologist wrote:
Sun Apr 14, 2019 6:34 pm
That is "left" when you stand in front of the car, correct? Typically that is referred to as the passenger side or right side. That's where the drive belt is. The most common oil leak is a failing O-ring of the timing chain tensioner on that side.
I'd start with this suggestion. Next, if you haven't done it, is valve cover gasket. Those are prone to leaking.
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CraigLloyd
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by CraigLloyd » Mon Apr 15, 2019 9:56 am

vibrologist wrote:
Sun Apr 14, 2019 6:34 pm
That is "left" when you stand in front of the car, correct? Typically that is referred to as the passenger side or right side. That's where the drive belt is. The most common oil leak is a failing O-ring of the timing chain tensioner on that side.
Yes, the passenger side! I'll go ahead change out the O-ring. Seems like an easy 20-minute, $5 job!

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tpollauf
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by tpollauf » Mon Apr 15, 2019 11:41 am

Not sure if this photo will help but it shows the O-ring. This is from the 2zz engine and not sure if similar/same as the base engine. Image
Image
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vibrologist
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by vibrologist » Mon Apr 15, 2019 11:59 am

Peter Finn explains how to. Be patient watching....Peter knows his stuff.

https://www.youtube.com/watch?v=biEEvCPvOyU
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zbyers
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by zbyers » Tue Apr 16, 2019 4:02 am

tpollauf wrote:
Mon Apr 15, 2019 11:41 am
Not sure if this photo will help but it shows the O-ring. This is from the 2zz engine and not sure if similar/same as the base engine. Image
There are minor difference between the two, but they basically look the same.
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CraigLloyd
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by CraigLloyd » Wed Apr 17, 2019 7:24 am

So I got a pic of the timing chain tensioner on the back of the engine. It looks like the leak is coming from higher up, but maybe the leak from the tensioner is getting splashed around? Or maybe it's the actual timing chain cover?

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zbyers
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by zbyers » Wed Apr 17, 2019 8:37 am

i would do the valve cover gasket and timing chain tensioner o-ring. usually if the timing cover seal leaks, it is down by the crank pulley.
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Bookworm
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Re: Oil leak on left side of engine, no idea where it's coming from..

Post by Bookworm » Wed Apr 17, 2019 1:03 pm

I'd clean the oil off of the engine, then drive it for a bit, then look for the fresh oil. It's always a pain trying to track down an oil leak through months and years of splashing and garbage.

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