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12-13-2016, 12:08 PM | #1 |
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Location: New Jersey
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please advise - 39 coupe
Hi Guys
I've determined that one of my water pumps is the culprit for my rattle. So here comes another first for me - replacing the pumps. First question, I have a four post lift, is it better to change these out on the lift or the floor? The second question (based on using the lift) I plan on putting a small piece of 2X4 on the bottle jack and across the front of the oil pan, to jack engine up. Is this ok? Of course if I don't use the lift then a I'll use a floor jack with same thought process. Rest seems pretty straight forward (but keep me straight): drain antifreeze, remove hoses, lift engine enough to clear mounts, undo two outside bolts, then the one hidden (carefully), then re-install new pumps w gaskets and grease, etc.... Thanks in Advance Andy |
12-13-2016, 12:28 PM | #2 |
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Re: please advise - 39 coupe
Andy, sounds like you've got the drill down. I use the four post lift to change the water pumps on most of my Flatheads, (it's not necessary on the '39 LZ or the '53 F-100. I have a steel pan (that spans the lift rails), I use it to place a bottle jack with a short 2x4 on it, to protect the oil pan. Remember to remove the cotter pins and loosen the nuts on the motor mounts before you lift the engine. I only bring the car up to the first notch on the lift, it makes it easier for me to work from the top as well as the bottom. I also use stainless steel bolts (especially the ones that go inside) on the water pumps. Don't forget to clean the block surface. I also use some gasket cement on the pumps and place the gasket on them with the bolts pushed in from the back side, to let the glue set up a bit before mounting the pumps to the block. That helps keep the gaskets lined up. I also use some Indian Head Shellac on the inside of the hoses where they attach to the pumps and the radiator. Have fun and have a very Merry Christmas my friend.
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12-13-2016, 12:42 PM | #3 |
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Re: please advise - 39 coupe
Thanks Vic, greatly appreciate your advise!
Have a very merry Christmas! |
12-13-2016, 03:57 PM | #4 |
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Re: please advise - 39 coupe
Just to be safe, I use a 6 point socket on that hidden bolt and replace it with a stainless steel version when the new pump goes on.
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12-13-2016, 05:31 PM | #5 |
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Location: New Jersey
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Re: please advise - 39 coupe
Thanks I'd like to hit with 6 point socket on an impact gun on slow. But not sure I'll have enough room.
But good advise, I'll take it slow and use 6 point socket. You happen to know size of that hidden bolt? |
12-13-2016, 05:50 PM | #6 |
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Re: please advise - 39 coupe
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12-13-2016, 06:23 PM | #7 | |
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Re: please advise - 39 coupe
Quote:
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12-14-2016, 05:35 PM | #8 |
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Re: please advise - 39 coupe
Pumps are in!!! All great advise and the lift made it easier for sure.
Thanks to all and especially Vic! |
12-14-2016, 06:40 PM | #9 |
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Re: please advise - 39 coupe
Nice going Andy, and you got everything done on the first try. Old Henry must be smiling at you. Love it when a plan comes together.
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