No telltale Nissan 90hp

A

Arky86

Recruit
Joined
Jul 25, 2025
Messages
5
My telltale suddenly stopped. I checked the water intake and is clear, removed the telltale hose and it’s clear, replaced the impeller and hooked a water hose to the tube that goes down through the water pump housing and get good water flow through the engine. Did this to make sure I didn’t have a blockage somewhere. On ear muffs still get no telltale. What else should I try?
 
A

Arky86

Recruit
Joined
Jul 25, 2025
Messages
5
Water comes out of a hole at the bottom of the midsection if I plug it with my finger it comes out of the top of the midsection. Added pics but not sure I did it correctly
 
E

EastsideMidge

Recruit
Joined
Jul 22, 2025
Messages
3
You can pull the thermostat housing and see if water is flowing up through the motor. I just did that on my motor (same 90 Nissan). I had this issue last year, it was a spider nest in the telltale hose out of the motor. But water through the thermostat housing would indicate whether water is getting to the power head.

If it is not flowing up through the thermostat housing on the hose, I would go back to the bottom end and double check all the tubes and impeller are installed correctly. When I first did my impeller I didn't set the woodruff key correctly and the shaft would spin but the impeller would not.
 
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