Gate's Water Pump/Timing Belt Review - FAIL! - Honda Accord Forum : V6 Performance Accord Forums
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Old February 2nd, 2017, 05:50 PM   #1
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Gate's Water Pump/Timing Belt Review - FAIL!

Here's my review. The belt works fine, but check out the 40k miles Gates water pump compared to my stock 130k miles water pump. You can see the Gates pump started rusting and the seal completely flattened out, which lead to severe leaking. The OEM seal is still plump (lack of a better word), rounded and soft. The Gates is so flat it's recessed into the notch and rock hard. You may ask if it was installed correctly, I assure you the matting surfaces were cleaned and the pump torqued properly (1/4 turns till 8ft lbs (104 in lbs)

I have always ran Peak Full strength (Silicate Free as Honda wants) through both pumps. WTF happened to the Gates pump? Let me add, the picture shows how the pumps came off the car, no cleaning was done!

130k miles OEM Pump on LEFT / Gates 40k mile pump RIGHT

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Old February 3rd, 2017, 11:13 AM   #2
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Most aftermarket parts have rubber components that are inferior, not all but most. Unfortunate that GATES appears to be one of them in the water pump segment. Their belts are awesome.
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Old February 3rd, 2017, 08:37 PM   #3
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I will say some of the brown stuff may have been the stop leak I threw in....this was of course after it started leaking. Here's a response from the Gates Rep. I already told him the same type of coolant ran through both pumps.

Gates Rep:
I want to thank you for sending in your review and comments regarding our water pump that you pulled off at 40,000 miles. I wanted to respond to you with observations from the picture. Further lab analysis can be conducted if you would like to send in the pumps. I can provide a FedEx shipping label if you would like. We have a lab in Michigan that can analyze the pump and check for causes of failure.

In looking at the comparative photo the Gates pump is showing signs of system electrolysis (darkening of the pump interior) and contamination (rusted impeller). Electrolysis can also affect the rubber gasket which you noted had hardened.

You did mention that you used Peak Full Strength coolant as recommended by Honda. What type of water did you mix with the coolant? When removing the OE pump did you flush the entire system including the radiator, heater core and engine block? Older coolant in the system can affect the new coolant being introduced by diluting the protective corrosion inhibitors that protects the metals from degradation.

System contamination leads to particulates getting between the seal faces creating leak paths that lead to premature failure of the pump.

If you have any questions or additional comments I would be happy to speak with you.

R STEVE SCHRECK
Product Manager
Water Pumps, Thermostats
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Old February 3rd, 2017, 08:38 PM   #4
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The seal failed, not the actual pump. You can get a seal off RockAuto for like $3, but the point is that you should have to.
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Old February 3rd, 2017, 09:29 PM   #5
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that a pretty good response from gates.
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Last edited by thisaznboi88; February 12th, 2017 at 04:57 PM..
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