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08-13-2018, 07:19 PM | #1 |
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Camshaft Plunger !!!!
I'm trying to help a friend "reassemble" his Dad's '31 Murray sedan. The motor has been out of the car for years. He has reinstalled the engine and took the time to put a new timing gear in it. Yesterday, on the first attempt (in years) to start the engine... it fired right-off but with a very loud noise (according to his telephone description). I'm suspecting he did not grease the Camshaft Plunger ( Les Andrews failed to mention this !!) and my question to you experts ... can the timing cover be removed without removing the radiator? ... I think there's about 10 bolts if you include those from the oil pan. AND what kind of grease do you recommend to "lather" the plunger with ???
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08-13-2018, 07:29 PM | #2 |
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Re: Camshaft Plunger !!!!
Yes on removal, but you will have to support the engine to remove front motor mount bolts, and Generator removal, have to put on new gasket on cover. can be done tho! some good mystic red grease.
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08-13-2018, 10:29 PM | #3 |
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Re: Camshaft Plunger !!!!
Try some heat and cool cycles first. I had the same thing with a customer's car that someone else overhauled the engine and didn't lube the plunger. It made a squeal that scared me until I figured out what it was. After several heat and cool cycles the noise finally quit.
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08-13-2018, 10:45 PM | #4 |
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Re: Camshaft Plunger !!!!
Doesn't the oil pump throw oil over the cam gear? I thought that is where the valve chamber empties.
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08-13-2018, 11:12 PM | #5 |
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Re: Camshaft Plunger !!!!
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08-14-2018, 09:31 AM | #6 |
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Re: Camshaft Plunger !!!!
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08-14-2018, 09:31 AM | #7 |
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Re: Camshaft Plunger !!!!
I have had the experience of a new plunger making a high pitched squeal. There is no need to take the covers off:
1. The squeal will go away as motor oil gets into the plunger; 2. Spray motor oil through the timing pin hole in lieu of removing the covers.
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Bob Bidonde Last edited by Bob Bidonde; 08-15-2018 at 07:42 AM. |
08-15-2018, 05:06 AM | #8 |
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Re: Camshaft Plunger !!!!
Actually, no. Some oil is sprayed over the front dam to lube the cam gears but the majority of the excess oil in the valve chamber is returned to the pan VIA the return tube on the side of the motor. This excess oil return is where the rods get most of their oil for lubrication. If the noise is more than a high pitch squeel and persists, you may have more problems in some other place. Engines that have been left sitting for extended times after running will have more problems than expected. This is because, the oiling system is so different than modern engines with pressure oiling. Caution when starting an engine that has sit for an extended time.
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08-15-2018, 09:18 AM | #9 | |
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Re: Camshaft Plunger !!!!
Quote:
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08-15-2018, 10:55 AM | #10 |
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Re: Camshaft Plunger !!!!
Over fill it by 2 quarts, oil will splash everywhere---- and some will leak out, then make a fast stop
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