Mercury Tale-Tale eratic

[soberinnorth]

My merc 16 water tale-tale is eratic it poors lots sometimes and a little at others so i took the thermostate cover off and the pointy end is out the thermostate part is in the block no does the water come from the impeller and cool the engine and when it gets hot open the thermostae and let it open therfore letting the water out to the tale-tale and exhast port which are on the cap i looked
Am i rifgt or is there something wrong
my email is soberinnorth@hotmail.com
thanks bill

 

[Don S]

Re: how do i post

Re: how do i post

Moving to Mercury & Mariner Outboard Repairs forum.

 

[Texasmark]

Re: Mercury Tale-Tale eratic

Exhaust passage should flow all the time regardless of head temp because exhaust gasses are always hot and can burn up that part of the engine.

Some engines have the pee come off the stat. That means the stat has to open to get pee......bad design in my opinion ('95 V 150 for example). If you are running pretty cool, the stat opens and closes so the pee would come and go.

Intermittent flow could be a waterpump impeller requiring changing or crud in the cooling circuit.

Mark

 

[soberinnorth]

Re: Mercury Tale-Tale eratic

Ya thats what it does i found out its a 89 merc 15 and the pisser comes right off the end of the thermostate so that must be the way they designed it when the stat opens i get **** when its closed i dont
Thanks
Bill