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Oil leaking out of Exhaust Pipe?
11-30-2005, 08:22 AM
Post: #1
 
I've had issues with my truck losing oil for awhile now. I first noticed like many people that I had oil in my Intake Manifold. I replaced that with an aftermarket intake manifold with no belly pan, so that is fine now. I noticed a slight like in the Rear Main seal, replaced that, and that is fine now.

Now from time to time, all of a sudden, my exhaust pipe shoots out some oil onto the ground. This has been happening for awhile now. For example, I just drove from Dallas, TX to Grand Rapids, MI, a good 1100 miles, and had to top off my oil about 5 times during that trip.

Any ideas why this is happening? I tried doing a search on this Forum, but didn't see anything.

Thanks, James




James<BR>My Truck at CarDomain.com<BR>1995 Dodge Ram 1500 4x4, 5\" Skyjacker Susp Lift, 3\" body lift, 35\" Pro Comp Mud Terrains, 16 x 10, Rockcrawler Wheels, Home Made Tire Carrier, Front Skid Plate, & Trackbar<BR>[br]1987 Samurai Project in progress
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11-30-2005, 08:37 AM
Post: #2
 
I have never had a magnum motor completely apart, but it has to be leaking a lot to get oil through the cat & exhaust system without burning it.

Possibly a massive exhaust valve guide leak?

How many miles are on the motor?

Any blue smoke on initial startup?




97 Ram 1500 SLT 5.2 in Frost White Pearl
Home port kegger,1.7 rockers,52mm,B&G flash,e-fan,MSD,Flowtech headers,Magnaflow cat&y-pipe,Flowmaster 40,PML Deep Pan,Hayden cooler w/e-fan,temp gage, 5.5" Fabtech,Yukon 4.11s
37x13 Pirelli Scorpion ATRs,20x10 Pacer Ridgelines
Push bar,Limo tint,12 disc,class IV hitch, Bushwacker flares, Ventshades
06 Hemi Durango 4x4 Limited, AirRaid, Magnaflow catback,20s, 295/45/20 Hankooks
10 Challenger R/T - 91 dyno tune, SRT8 headers, line locks.
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11-30-2005, 09:21 AM
Post: #3
 
I am With Stupid

sounds like bad valve guides




1995 Ram 1500<BR>360 auto<BR>stock for now<BR>custom electrical problems/no dome lamp, I use a mag lite for that
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11-30-2005, 09:27 AM
Post: #4
 
Could you guys explain that a little more. Not exactly sure what that is, since I'm only familiar with the top half of a motor. I'm guessing you aren't talking about the exhaust manifold gaskets, so not exactly sure what you mean.

My truck is about 10 1/2 years old, '95 Ram 1500. It has only about 95K miles on it, but 10 1/2 years old. I don't "think" i've seen any blue smoke, but not 100% sure.

Thanks, James




James<BR>My Truck at CarDomain.com<BR>1995 Dodge Ram 1500 4x4, 5\" Skyjacker Susp Lift, 3\" body lift, 35\" Pro Comp Mud Terrains, 16 x 10, Rockcrawler Wheels, Home Made Tire Carrier, Front Skid Plate, & Trackbar<BR>[br]1987 Samurai Project in progress
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11-30-2005, 10:06 AM
Post: #5
 
valve guides, basically, are what guide the up and down movement (opening/closing) of the intake and exhaust valves.
They have seal/bearing material around them to keep oil from the rocker arm area from running down around the valve stem into the combustion chamber (intake valve), or in your case (exhaust valve) the exhaust manifold portion of the block.
Valve guides aren't that bad to do, but if your going to pull the heads off, you will want to get the rest of the machine done work as well: mill & vat the heads & intake, new valve guides & seats, new valve springs, etc.
Bottom line, unless you have the tools, it will be headed to a machine shop to get fixed...assuming it is the valve guides.

edit: unless it's fouling the plugs, it should not present a performance or longevity issue...if you don't mind constantly adding oil you could wait and get the entire motor reworked.




97 Ram 1500 SLT 5.2 in Frost White Pearl
Home port kegger,1.7 rockers,52mm,B&G flash,e-fan,MSD,Flowtech headers,Magnaflow cat&y-pipe,Flowmaster 40,PML Deep Pan,Hayden cooler w/e-fan,temp gage, 5.5" Fabtech,Yukon 4.11s
37x13 Pirelli Scorpion ATRs,20x10 Pacer Ridgelines
Push bar,Limo tint,12 disc,class IV hitch, Bushwacker flares, Ventshades
06 Hemi Durango 4x4 Limited, AirRaid, Magnaflow catback,20s, 295/45/20 Hankooks
10 Challenger R/T - 91 dyno tune, SRT8 headers, line locks.
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11-30-2005, 10:37 AM
Post: #6
 
Sounds like moisture in the exhaust mixing with the carbon (soot) left in the tailpipe getting blown out...normal. This is what I think you are seeing...

If your valve guides were leaking that bad, first off it probably wouldn't run, secondly you would be putting oil in it about every 20 miles, and thirdly it would blow so much blue smoke you would not be able to see behind the truck. ROTFL

steved




2012 Chevrolet 2500HD Silverado 4wd
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11-30-2005, 11:23 AM
Post: #7
 
Quote:and thirdly it would blow so much blue smoke you would not be able to see behind the truck.

perhaps he is running synthetic oil??




97 Ram 1500 SLT 5.2 in Frost White Pearl
Home port kegger,1.7 rockers,52mm,B&G flash,e-fan,MSD,Flowtech headers,Magnaflow cat&y-pipe,Flowmaster 40,PML Deep Pan,Hayden cooler w/e-fan,temp gage, 5.5" Fabtech,Yukon 4.11s
37x13 Pirelli Scorpion ATRs,20x10 Pacer Ridgelines
Push bar,Limo tint,12 disc,class IV hitch, Bushwacker flares, Ventshades
06 Hemi Durango 4x4 Limited, AirRaid, Magnaflow catback,20s, 295/45/20 Hankooks
10 Challenger R/T - 91 dyno tune, SRT8 headers, line locks.
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11-30-2005, 11:52 AM
Post: #8
 
Yep Mobile 1 SuperSyn 10w30 Fully Synthetic. Been running that for years now.

Also, thanks all for the response. Would it be possible to do this work with the Engine still in the truck? Or does it have to be pulled? I know I can pull off my Intake Manifold, Heads, but never done much deeper than that.

Thanks, James




James<BR>My Truck at CarDomain.com<BR>1995 Dodge Ram 1500 4x4, 5\" Skyjacker Susp Lift, 3\" body lift, 35\" Pro Comp Mud Terrains, 16 x 10, Rockcrawler Wheels, Home Made Tire Carrier, Front Skid Plate, & Trackbar<BR>[br]1987 Samurai Project in progress
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11-30-2005, 11:56 AM
Post: #9
 
if it is infact the valve guides you can pull the heads off and leave the motor where it sits.

edit: to make sure it is oil coming from the exhaust valves, pull your y-pipe and look inside each exhaust manifold. I believe pulling the y-pipe would be easier than pulling the exhaust manifolds. But, then again, if you do have to pull the heads the exhaust manifold is going to come off anyway.
Just make sure it's the valve guides before you tear into the motor.

And make sure you put a heavy coat of PB Blaster on all the nuts/bolts atleast 2-3 hours before you start unbolting stuff. I have had exhaust manifold bolts twist off in the head...not fun.




97 Ram 1500 SLT 5.2 in Frost White Pearl
Home port kegger,1.7 rockers,52mm,B&G flash,e-fan,MSD,Flowtech headers,Magnaflow cat&y-pipe,Flowmaster 40,PML Deep Pan,Hayden cooler w/e-fan,temp gage, 5.5" Fabtech,Yukon 4.11s
37x13 Pirelli Scorpion ATRs,20x10 Pacer Ridgelines
Push bar,Limo tint,12 disc,class IV hitch, Bushwacker flares, Ventshades
06 Hemi Durango 4x4 Limited, AirRaid, Magnaflow catback,20s, 295/45/20 Hankooks
10 Challenger R/T - 91 dyno tune, SRT8 headers, line locks.
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11-30-2005, 04:16 PM
Post: #10
 
well, mine is doing the same thing. its definitly oil, not carbon. it will plaster your leg, it only does it on startup for a couple mins until it gets all blown out. i have to put a quart of oil in every tank of gas, about 350 miles. its the valve stem seals, i know they are bad, i did a compression test, and it pointed to them. that is why mine only does it on startup.




03 2500 4x4 CTD, longbox, quadcab, 6 speed, century royale cap, 35x12.5x17 cooper s/t, 2\" leveling kit, herculiner rolled bedliner
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