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Impeller change time

Old 05-06-2020, 09:09 AM
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Question Impeller change time

Hi everyone, new to the forum, i have a -92 Baja 24 OL with a 502 mk4 closed cooling, it's time to service the raw water pump BUT i cant physically reach the damn pump, even being a scrawny dude i dont fit in the engine bay and be able to wrench, do i need to remove the whole back seat (got the top half slid off) so i can access it from the front?, or can i reach it if i remove the heat exchanger, right now it's about an inch gap between cooler and back seat, i expect it's "easier" to remove pump whole and service it on a bench right?.
I'm quite used to wrench on my own stuff but i have never worked on a big block in board, boy is everything cramped to reach.
Glad for any input/help!
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Old 05-06-2020, 09:14 AM
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Some are a real bit*h to get at, I have to hang upside down to change mine. Found my easiest way is to disconnect the bracket and entire pump assembly, then disconnect hoses
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Old 05-06-2020, 09:21 AM
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hire it out, best money you can spend.....
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Old 05-06-2020, 10:22 AM
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Can you get in the bilge beside the motor and reach it?
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Old 05-06-2020, 10:32 AM
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Pull the entire assembly. It's much easier that way. When you put it all back together, use a hose lubricant on the fittings to make getting it out of the boat easier next time.

And I agree with farming the job out if it's next to impossible to get to.
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Old 05-06-2020, 10:36 AM
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Nope, baja has glassed in closed boxes beside engine, the engine beams goes higher then the water pump anyway.
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Old 05-06-2020, 09:46 PM
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24 OL's suck to work. Those storage box areas in the bilge should just be bolted down though. Easiest/least frustrating way is just unbolt the back seat.
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Old 05-07-2020, 07:40 AM
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Originally Posted by Griff View Post
24 OL's suck to work. Those storage box areas in the bilge should just be bolted down though. Easiest/least frustrating way is just unbolt the back seat.
Yep, did a friends a couple years ago, Removed back seat, made it easier, my hands were all bruised and cut up afterwards. told him to call someone else next time.
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Old 05-07-2020, 07:44 AM
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I'm barely able to climb into the engine room and lay next to the engine to pull my pump off. I made a list of the tools needed so I don't have to climb in and out which really sucks. If you absolutely can't fit in there then I guess you'll have to hang upside down and hope you don't slide in and get stuck! Good luck. I do mine every two years now because they always still look good. If back seat removal gives you access then do that for sure. My boat has a bulkhead/firewall in front of the engine.
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Old 05-07-2020, 10:35 AM
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Try removing the back seat if you can, that's the only way I can get to the pump in my sunsation. I also have to lift the engine a few inches to remove the fuel filter...
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