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Old 03-27-2007, 06:41 PM   #1 (permalink)
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Oil leaks. Common?

Hey guys. I haven't had a real chance to get under my truck to have a look at anything yet but I'm wondering if there are any common oil leaks on these engines. My truck's a nearly bone-stock 92 D-250. I noices a couple of leaks under her just as I came in from my smoke break a minute ago. I know it's oil for sure though. I did read on PDR's website about the "killer dowell pin" but thought that was only relevant for the 24v's.
Any helpful hints
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Old 03-27-2007, 07:25 PM   #2 (permalink)
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You didn't say what the oil was under, oil pan, front, etc. On the 1st gen trucks, the bigger problem is the bolts that hold the timing case. There are 4 or 5 of these inside, near the cam. These have a nasty habit of loosening up and falling out. The best way is to take off the cover, check the KDP, remove the bolts 1 at a time, clean with brake or carb cleaner, blow out with air, and loctite them back in. The one behind the cam gear needs a special wrench, just bend one to fit.
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Old 03-27-2007, 08:00 PM   #3 (permalink)
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Duh.. my bad. The leak's coming from the front of the engine towards the center. So basically around the oil pan area from what I can tell. I should just go and have a look at it before asking somewhat stupid questions. :thumbsup

Thanks for the tip on the timing cover. My buddy just did this on his 97 so I'm sure he'll give me a hand with it.
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Old 03-29-2007, 05:28 PM   #4 (permalink)
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Okay I have looked into it. The leak appears to be coming from the passenger side of the engine block about 2 inches under the oil filter adapter. There's what looks to be a plate that bolts to the side of the block which the filter adapter bolts to. The oil appears to be leaking from the bolt right under the filter. I'm going to try tightening up the bolts first and seed what happens.
Is this a common thing?
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Old 03-29-2007, 08:06 PM   #5 (permalink)
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The oil cooler is under the filter mounting plate. (just so ya know! ) I have seen these come loose enough to ooze oil. Just tighten it down and it should be ok.
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Old 03-30-2007, 03:01 AM   #6 (permalink)
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That's a beautiful thing! :thumbsup

Thanks bro. I've got Saturday all booked up to deal with it.
If I have any prob's you'll be hearing from me!

And maybe by then I'll take some pic's of the intake I just fab'd up for it
Man ya' gotta here the turbo sing after I installed that thing! What a freakin' difference that made!
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Old 03-30-2007, 08:52 PM   #7 (permalink)
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Put a 4 inch exhaust on, sings even more! :thumbsup
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Old 03-30-2007, 10:15 PM   #8 (permalink)
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Drain pipe from turbo mine was leaking form there.
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Old 03-31-2007, 04:18 AM   #9 (permalink)
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I'll check it out guys.
Thanks for the help
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