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Old January 22nd, 2010, 10:04 PM   #1
Silver Bullet
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Default oil change now knocks

94 intrepid 3.5

I have a oil leak and was getting low on oil so decided to go get an oil change. Last change was 3-4 months ago. The tech put 5 quarts in and it would not read on the dipstick. Headded one more quart and barely read. He would not add any more in fear of damaging the motor. I had this same problem last time I did the oil change but only put about 5.5 quarts in.

Next issue is as I drove away the motor knocks like hell at about 2 grand and feels real weird.

What are your thoughts as to the empty pit in my engine and the knock?

Also is there anyway to find out the correct length of the dip stick to ensure correct one.
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Old January 22nd, 2010, 10:07 PM   #2
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look at the base of the dipstick tube.... its prolly pressed into the block, and may have came out
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Old January 22nd, 2010, 10:31 PM   #3
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I am sure that dipstick tube got rot and let dipstick out tube instead go in oil pan.


Just replace 1 on plow truck it 13,000 miles old engine and dipstick tube rot so bad.

Well I would go junkyard get good engine and swap that bad engine.
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Old January 22nd, 2010, 10:42 PM   #4
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What is the condition of the motor as far as sludge goes? If the heads are all sludged up, the oil wouldn't reach the pan very quick and give a misreading. Eventually the oil would reach the pan but it make take a few. I have had a few cars that didn't take oil for shit.
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Old January 22nd, 2010, 10:46 PM   #5
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The knock was not there prior to oil change and immediately after was there.
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Old January 22nd, 2010, 10:48 PM   #6
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I dont think it is actually that bad. Prior oil changes oil was not too bad. The engine has always had a bad bog at take off but when the bog is not there motor has alot of power.
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Old January 23rd, 2010, 01:51 AM   #7
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Quote:
Originally Posted by Silver Bullet View Post
The knock was not there prior to oil change and immediately after was there.
Could be wrong oil filter or bad oil pump or it need primer.



Can you peek in oil cap on valve cover do you see sludge or black goof inside?
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Old January 23rd, 2010, 08:22 AM   #8
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Quote:
Originally Posted by CheapThrillB2 View Post
What is the condition of the motor as far as sludge goes? If the heads are all sludged up, the oil wouldn't reach the pan very quick and give a misreading. Eventually the oil would reach the pan but it make take a few. I have had a few cars that didn't take oil for shit.
He's right.

The problem is most likely not the dipstick, but sludge buildup in the engine. When I was working in the Chevy garage, I'd see this in older cars of every brand at least once a month.

The right way to correct the issue is to take the valve covers and intake off to clean out the buildup. However since you are already working with a $200.00 car, you can try using rislone or motor flush. I've had decent success with both.

A cheaper alternative is to put 1/2 gallon of kerosene in the oil. Run the car at idle for 5-10 minutes. DO NOT rev the engine. If it starts to make louder knocking noises, shut it off.

While the engine is still hot, drain the oil/kerosene mixture. This will flush out most everything. If you think you still have sludge, repeat the process with another 1/2 gallon and 4 quarts of oil. Do this until the oil comes out with some clarity to it. I've done this on two dodges, and it worked both times.
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Old January 23rd, 2010, 10:33 AM   #9
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Quote:
Originally Posted by keithshotrodshop View Post
He's right.

The problem is most likely not the dipstick, but sludge buildup in the engine. When I was working in the Chevy garage, I'd see this in older cars of every brand at least once a month.

The right way to correct the issue is to take the valve covers and intake off to clean out the buildup. However since you are already working with a $200.00 car, you can try using rislone or motor flush. I've had decent success with both.

A cheaper alternative is to put 1/2 gallon of kerosene in the oil. Run the car at idle for 5-10 minutes. DO NOT rev the engine. If it starts to make louder knocking noises, shut it off.

While the engine is still hot, drain the oil/kerosene mixture. This will flush out most everything. If you think you still have sludge, repeat the process with another 1/2 gallon and 4 quarts of oil. Do this until the oil comes out with some clarity to it. I've done this on two dodges, and it worked both times.
never heard of using kerosene but have heard of using ATF before with same results.
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Old January 23rd, 2010, 10:46 AM   #10
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never heard of using kerosene but have heard of using ATF before with same results.
Kerosene works better.
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Old January 23rd, 2010, 10:50 AM   #11
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Originally Posted by MilwaukeeF350 View Post
I am sure that dipstick tube got rot and let dipstick out tube instead go in oil pan.


Just replace 1 on plow truck it 13,000 miles old engine and dipstick tube rot so bad.

Well I would go junkyard get good engine and swap that bad engine.
WTF did you just say?


I think you should sue the oil change shop, they clearly fucked something up.
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