95' V6 Dodge Avenger 154,000

Tiny
JASONS989
  • MEMBER
  • 1995 DODGE AVENGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 154,000 MILES
Heard like a grinding/ dragging noise while on hwy. Sounded like something fell off and car started to smoke. I pulled off hwy and found oil just poring out into a puddle right under motor. Smoke was from oil burning off Cat converter. No oil on dip stick. Had car towed and now need to try and figure out issue on my own. Any ideas what to look/ check would be great. Thanks in advance
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Sunday, January 30th, 2011 AT 3:26 AM

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Tiny
CARADIODOC
  • EXPERT
Sounds like something hit the oil pan and punctured a hole in it. Look for that first. If there's a hole and it's pushed in, something hit it from the outside. The sharp edges of metal could hit on the rotating crankshaft and make a lot of noise. If the metal is bent out, it's possible a connecting rod broke inside the engine and punctured the hole.

You might try starting the engine but just run it for a few seconds to see if it is smooth and quiet. If it is, proceed with the diagnosis and repair. If there's a banging sound, you must determine if something broke in the engine or if a rotating part is just hitting the hole in the pan.

It's also possible for a double gasket to get overlooked when the oil filter was last replaced. That second gasket can blow out later, but that usually happens rather quickly and it won't make any noise.

Caradiodoc
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Monday, January 31st, 2011 AT 2:14 AM
Tiny
JASONS989
  • MEMBER
Thanks for the help. I did finally (lol) look at the car some more. I found out that I have a hole in what I think is the Transmission cover. Its right next/under where the battery sits. I can see gears through the hole. I did check the trans fluid and its just under the hot full line. The oil stick had no trace of oil. I added a quart to see if it would poor out which it did not. I also do have the car lifted up, driver side. If it is the trans cover is it just done for or is there a way for me to cover it just to get by for now? Thanks for any help
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Monday, February 7th, 2011 AT 11:40 PM
Tiny
CARADIODOC
  • EXPERT
I actually replaced the side cover on my rusty trusty '88 Grand Caravan many years ago because it rusted out and started leaking. That cover cost $3.50 and was real easy to replace. Of course, everything on that old van is easy to work on.

Here's a trick that will work but consider it a temporary fix. Wash any trace of transmission fluid and loose paint from the area of the hole with brake parts cleaner. Use the gray gasket sealer from the Chrysler dealer, (not the black stuff), to make a bead around the hole, then work your way around inside that bead building it up until the hole is totally covered. Let it cure overnight.

I did that trick many years ago after my mother hit a large chunk of steel that was laying in the middle of the highway. It tore off the rear heater hoses and punched a 3" by 4" hole in the front of the gas tank. I sanded around the hole, washed the area, then covered it with the gray sealer. Since the coolant had leaked out from the heater hoses, I "leap-frogged" that van and my car home that way. That gave the van time to cool down each time I ran back to get my car. I was able to drive the van about two miles at a stretch before it started to overheat. Later, at home, I saw how vulnerable that patch was so I covered it with a piece of thin sheet metal, then to prevent that from rusting, I coated it again with more sealer. That patch is still there today and I still drive that van every day.

The secret to this patch is you must use the gray stuff because it will bond and seal if there is a little oil residue. The black stuff will not bond through oil. The gray stuff gets harder too.

Before you patch it like that, check that the edges of the metal aren't pushed in and hitting on any of the gears. Besides causing noise, that will make metal filings in the fluid which can damage seals and cause valves to stick.

Caradiodoc
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Tuesday, February 8th, 2011 AT 12:25 AM

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