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Old 13 August 2015, 13:41   #1
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Hot Telltale

Hi guys, new here!
I've got a pretty weird problem with my 15hp evinrude late 80's or early 90's iirc.
It has had problems with cooling, the waterways were probably filled with salt residue, the engine was 99% used in the sea, it has been flushed out regularly, but it was sitting up for a few years due to lack of funds

The waterways were cleared with diesel by my mechanic and it worked fine for a few days, then it stopped pumping water again
I tried using a foot pump up the telltale pipe to force air through the system, and it is pumping water again, but if I have it running for about 2 minutes the telltale starts to get pretty warm, as does the block.I haven't had it running for any longer than that incase blows up!
The engine was fully serviced not long ago.

Any help is appreciated!
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Old 13 August 2015, 13:53   #2
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Hi Neil

Have you tried salt away not sure what the dilution is but you could run it for short periods until it clears just keep the water spout clear.
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Old 13 August 2015, 13:59   #3
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Hi Neil

Have you tried salt away not sure what the dilution is but you could run it for short periods until it clears just keep the water spout clear.
I've heard of it, but know nothing about it!
I'm guessing it's some additive you put in a barrel of water with the engine running?
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Old 13 August 2015, 14:12   #4
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Well I was told about it by Craig of costal pro seats to keep salt at bay works ok I used it on my 90suzuki at the end of the season as part of the service just to flush around in the test tank you will only know if it works for you if your problem gets better its worth a try before a strip down

Good luck
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Old 13 August 2015, 14:21   #5
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Well I was told about it by Craig of costal pro seats to keep salt at bay works ok I used it on my 90suzuki at the end of the season as part of the service just to flush around in the test tank you will only know if it works for you if your problem gets better its worth a try before a strip down

Good luck
Thanks, I'll give it a try anyway, any idea where I can get it?
There's very few boat shops anywhere near me.
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Old 13 August 2015, 15:03   #6
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I think screw fix sell It got mine off eBay sure it's quite popular.

Cheers
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Old 13 August 2015, 15:25   #7
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I think screw fix sell It got mine off eBay sure it's quite popular.

Cheers
Can't seem to find it on ebay, I'm assuming it isn't this? Everbuild 5 Litre Salt Away | eBay
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Old 13 August 2015, 15:53   #8
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Thermostat, impeller?
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Old 13 August 2015, 15:58   #9
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Thermostat, impeller?
Impeller was replaced not long ago, I think the thermostat was removed to keep it cooler as it's an old enough engine.
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Old 13 August 2015, 17:04   #10
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Impeller was replaced not long ago, I think the thermostat was removed to keep it cooler as it's an old enough engine.
Get a new one and put it back in.
Without it the water flow around the block may not be as intended.
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Old 13 August 2015, 17:29   #11
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Get a new one and put it back in.
Without it the water flow around the block may not be as intended.
Hi all

Is Everbuild Saltaway for brick work or are there two different types.

Here is a link for ebay 295100220
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Old 13 August 2015, 17:45   #12
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Hi all

Is Everbuild Saltaway for brick work or are there two different types.

Here is a link for ebay 295100220
Hi all

There are two different types still unsure if the builders one has the same ingredients and here is another Blue thru very much the same.
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Old 13 August 2015, 17:54   #13
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Impeller was replaced not long ago, I think the thermostat was removed to keep it cooler as it's an old enough engine.
Just because something was 'replaced' doesn't mean it was replaced 'right' - could the impellar blades have been bent 'back to front' loosing pump pressure? Easy mistake to make!
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Old 14 August 2015, 01:29   #14
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First thing I would do is ring the people that serviced it and see if they are willing to have a quick look free of charge, how many hours since the service?, did you have any notes on the service report ?, or was it signed off as A ok
I have to confess I once had a Suzuki engine that had a thermostat and had it looked at 3 times as the telltale was not pumping all the time ,before I realised, doh
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Old 14 August 2015, 06:27   #15
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First thing I would do is ring the people that serviced it and see if they are willing to have a quick look free of charge, how many hours since the service?, did you have any notes on the service report ?, or was it signed off as A ok
I have to confess I once had a Suzuki engine that had a thermostat and had it looked at 3 times as the telltale was not pumping all the time ,before I realised, doh
It was serviced by a mechanic friend of mine, so there's no fancy service report!
It hasn't been used much since the service, I don't want to use it for long incase it overheats.
I was told that there should be a good bit of water coming out of the exhaust too barely anything comes out of it
I forgot to mention not long after it was serviced it stopped pumping water so I took it back to him and the impeller was in sh!te. Could it be an impeller problem if it is pumping water?
He is a proper mechanic that knows exactly what he's doing btw, before you jump to any conclusions!
Thanks for the advice though
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Old 14 August 2015, 06:51   #16
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if the impeller had broken up then bits of rubber have gone into the waterways
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Old 14 August 2015, 06:56   #17
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When an engine is run it will get hot. The coolant keeps the temp at an appropriate level & stops it overheating. This is entirely normal.
If the engine is warm/hot then I would expect the water from the tell-tale to be warm or hot.
As the thermostats open & close the amount of water from the telltale may vary.
Fit a new stat. Don't run without as this will affect the water flow. (Stat removal is common on cars by the unscrupulous to mask an overheating problem to sell the car. Its often tried by DIYers to solve an overheating problem but unless the stat itself was defective it won't.)
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Old 14 August 2015, 07:37   #18
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Having played this game recently with an old suzuki : What I should have done straight away was pull the powerhead off, rather than faff about with chemicals which do not make much of a difference. HTH.
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Old 14 August 2015, 08:30   #19
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Pull the head and get a fine wire brush on a drill bit and run it up and down the water jacket. Check for rubber debris whilst your in there. My moneys on a shagged or misinstalled impeller.

One of these will sort it out (clamp in cordless drive, slide into the jacket and move up / down to remove or the corrosion / sh1T)

http://s1333.photobucket.com/user/at...00587511217125
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Old 14 August 2015, 08:59   #20
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Originally Posted by Superjetjim View Post
Pull the head and get a fine wire brush on a drill bit and run it up and down the water jacket. Check for rubber debris whilst your in there. My moneys on a shagged or misinstalled impeller.

One of these will sort it out (clamp in cordless drive, slide into the jacket and move up / down to remove or the corrosion / sh1T)

_MG_3905_zps039293ec.jpg Photo by atops15 | Photobucket
Would it pump water if the impeller was shagged?

I might give the wire brush drill bit a go, if I can find one . .
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