1979 Chevrolet Truck Oil Leak

191,000 MILES • V8 • 4WD • MANUAL
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VRTISKA9
  • MEMBER
  • 3 POSTS
I replaced intake manifold gasket, pan gasket and rear main, and valve cover gaskets... trying to clear up all my leaks and I still have a small leak that runs down the driver side of the fly wheel and drips a quarter size after driving... I cant figure out where its coming from... seems to start somewhere on the back side of the block maybe? Its really hard to see. I don't know where else leaks can occur to cause this.
May 18, 2014 at 3:22 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
if you didn't put silicone at corners of intake/head on china walls it can leak there, or a bad oil pressure switch that may be hidden under dist or oring on dist depending on how bad the leak is.
May 18, 2014 at 4:24 AM
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VRTISKA9
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  • 3 POSTS
I silicon china walls.. And isn't coming from intake... o ring on disturber is new and tightened down with bracket well and not appearing to leak... so maybe take out oil pressure gauge and put Teflon tape around it and put it back in??
May 19, 2014 at 6:28 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
if you think that is where it is coming from Loctite makes a good thing to put on it instead of Teflon and works bette but either one is good. it may be coming from valve cover as well. why can't you pull the engine cover off to really see where it is leaking.course if it's pickup you can't lol.
May 19, 2014 at 6:39 AM
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VRTISKA9
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  • 3 POSTS
Im will give it a try this weekend.. I really thanks you for your help.. I am learning.. my dad became disabled when i was young and he did mechanic work.. but didnt get the chance to dig in it with me. So now I am trying hard to learn things. God Bless..
May 20, 2014 at 1:23 AM
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