How to tell if your outboard water pump is bad

I believe the hose for the tell tale is from the water jacket not directly from the pump. How to tell if your water pump bad.

In most cases this basically consists of replacing the water pump impeller.

How to tell if your outboard water pump is bad. The most obvious way to tell if the outboard water pump is failing is to watch for the engine to overheat. However this problem can be caused by a number of issues which is why its vital to test for a bad outboard water pump. How Do You Test an Outboard Water Pump.

On many outboards you can simply put on the muffs and start the engine. How to tell if your outboard water pump is bad. This sign is one of the common signs that you can come across if your outboard water pump has gone bad.

As an outboard water pump has several seals and gaskets that prevent coolant leakage a leakage can be an alarm for the boat drivers to check on their water pumps. If you see any leakage at the. The main tips are having the outboard deep enough in the water and mak.

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new. Jun 3 2012. I am far from an expert so take my suggestions as such.

Just trying to help you. I believe the hose for the tell tale is from the water jacket not directly from the pump. The pump could be pumping well and the thermostat not opening which would mean a limited flow from the tell tale I think.

How to tell if your water pump bad. Overheating when AC on Water pump noise. How to Tell if a Water Pump Is Bad.

The engine water pump impeller is typically the most common cause of water circulation and overheating issues. This small round disc has spinning blades that help to move water throughout the circuit of the outboard motor. When its broken the supply of water stops resulting in an overheated engine.

Here are 5 common symptoms of a bad water pump. Coolant Leak at the Front-Center of your Car. The water pump is comprised of multiple gaskets and seals that keep coolant contained and ensure that consistent flow of coolant is delivered from the radiator to the engine.

Eventually these gaskets and seals will wear out dry up crack or break entirely. Hook the line back up disconnect from the trans cooler make sure water comes out there. You should have seen a bit more pressure coming from the output of the raw water pump.

Hook the line back up disconnect the next line to probably the thermostat and see if water comes out there. This is a sign to pull over safely and turn off your engine. Check water pump pulley.

With the engine off open your hood and locate the water pump pulley. With gloves on grab it and wiggle it back and forth. There should be no movement if there is this along with the noise is a good indication you may have a water pump problem.

However the yellow seal carrier under the pump plate is melted. The seals and O ring inon it seem fine but the top of it is melted and mushroomed over. Im not sure that the melting would affect the seal carrier performance and in another life I would probably have cleaned it up and reused it along with everything else.

If your pump is working your motor will pee out the holegaining strengthstream as you boost the rpms slightly. Dont go WOT thoughbad thing on the muffs. Another way to tell is if you can touch the water jackets sides of the cylinder block and keep your handfinger there without it getting so hot you remove your hand.

In this video I go through how to diagnose and fix an outboard that isnt peeing any water out the tell-tale. We go through checking for blocks in the tube a. When a water pump is going bad one of the first signs is leaking coolant.

Inspect the areas around the radiator and hoses for signs of leaking. This video depicts a cheap way to test whether your water pump and thermostat are working on your automotive carRadiator. Bad outboard lower units can give the operator shifting issues and other signs will include water in the gear lube metallic particles on the drain screw magnet clunking sounds when shifted or the loss of the ability to shift into gears.

The water pump is a very important part of any outboard. A pump that is blocked or working improperly will cause the engine to overheat which can lead to permanent damage. If you suspect the outboard is running hot it could be time to service the water pump.

In most cases this basically consists of replacing the water pump impeller. If you find water mixed in with the oil test the thermostat first before you panic. How a Bad Thermostat Causes Water Buildup The thermostat is a valve that regulates the operating temperature of the outboard by opening to let cool water flow through the engine and closing to prevent the flow of water from inhibiting the engines ability to reach its ideal operating.

6 Symptoms of a Bad Water Pump. Water Pumps Axle lose. White Smoke From The Radiator.

The symptoms of a failing water pump will tell you whether to visit a mechanic or not. Here is a more detailed list of the 6 most common symptoms of a bad water pump. When the outboard fuel pump is bad it operates similarly to when the boat runs out of fuel.

You might notice sputtering or misfiring before the engine cuts out completely. To help you get back on the water we will talk about how the outboard fuel system works discuss ways to troubleshoot the issues and give you some expert pointers along the way. With a bad impeller water cant be pumped inside overheating the engine.

Signs of a bad boat impeller are either boat engine overheats when you try to accelerate loss in impeller vanes flexibility physical wear tear like cracks in impeller vane roots melted or worn of vanes. If the engine starts to overheat frequently and the temperature gauge is constantly showing high temperature then you may have one more sign of a bad water pump. Leaks and low coolant levels will cause this but there is one more reason regarding the water pump.

That is a faulty impeller. Slowing Stopping or Sputtering. Another common symptom of a bad fuel pump is sputtering or misfiring.

If youre experiencing a bumpy ride or possibly losing speed altogether it could also be a sign of a clogged fuel filter that wont allow a consistent flow. The most common cause of outboard motor overheating is water pump failure. Lack of raw water flow and lack of fresh water can cause water pump failure.

Lack of fresh water can be noted if there is a large increase in temperature between the inlet and and outlet of the heat exchanger.