Coolant bubbles on dipstick?
#1
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So I have a 1997 dodge ram 1505.2 L 4x4 manual transmission.
I’m curious if the intake manifold gasket or the timing chain gasket could cause coolant to enter the oil system there’s no information on that particular issue so I was just looking to get some feedback?
I am aware of the possibility of a cracked or warped head but before I go digging into the motor since my timing chain cover gasket is bad and I know the intake manifold gasket does need to be replaced. Was looking for further information on this theory. any feedback would be much appreciated.
I’m curious if the intake manifold gasket or the timing chain gasket could cause coolant to enter the oil system there’s no information on that particular issue so I was just looking to get some feedback?
I am aware of the possibility of a cracked or warped head but before I go digging into the motor since my timing chain cover gasket is bad and I know the intake manifold gasket does need to be replaced. Was looking for further information on this theory. any feedback would be much appreciated.
#2
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Yeah, coolant passes thru the timing cover on both sides... so a bad gasket there can indeed let coolant into the oil. Coolant passes thru the intake as well, so, same thing. Don't forget to replace the plenum gasket, and use shorter bolts..... Probably wouldn't hurt to test your coolant for combustion gases.... that would let ya know if the head gasket was blown.
#3
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Yeah, coolant passes thru the timing cover on both sides... so a bad gasket there can indeed let coolant into the oil. Coolant passes thru the intake as well, so, same thing. Don't forget to replace the plenum gasket, and use shorter bolts..... Probably wouldn't hurt to test your coolant for combustion gases.... that would let ya know if the head gasket was blown.
yeah, I will test for that before I start tearing into it. Thank you for the input about the blown head gasket. Much appreciated. Also, just to clarify you’re stating to buy or use shorter bolts when repairing the intake, manifold gaskets , correct?
Last edited by bearen1911; 07-17-2024 at 05:19 PM.
#4
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The bolts that hold the intake to the engine are supposedly torque to yeild, and thus, should NOT be re-used..... The service manual doesn't say anything about that though...... kinda strange... the bolts are rather brittle, so, replacing them anyway is just a good idea.
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#5
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The intake is two-piece. There is a steel plate that seals the bottom. That gasket LOVES to blow out, and you get excessive oil consumption, bad gas mileage, and it basically just runs crappy.
Some folks replace the steel plate with aluminum, (several companies sell kits for it...) but, its the stock bolts that are the real problem. They bottom in the holes, before you get a good clamping force.... So, a GOOD gasket, and slightly shorter bolts *should* solve that problem permanently.
The bolts that hold the intake to the engine are supposedly torque to yeild, and thus, should NOT be re-used..... The service manual doesn't say anything about that though...... kinda strange... the bolts are rather brittle, so, replacing them anyway is just a good idea.
It's rare they all come out without one or two breaking anyway. ![Big Grin](https://dodgeforum.com/forum/images/smilies/biggrin.gif)
![Big Grin](https://dodgeforum.com/forum/images/smilies/biggrin.gif)
The bolts that hold the intake to the engine are supposedly torque to yeild, and thus, should NOT be re-used..... The service manual doesn't say anything about that though...... kinda strange... the bolts are rather brittle, so, replacing them anyway is just a good idea.
![Big Grin](https://dodgeforum.com/forum/images/smilies/biggrin.gif)
![Big Grin](https://dodgeforum.com/forum/images/smilies/biggrin.gif)
where do I find shorter bolts for the intake manifold?
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