Re: [DML] reassembling after water pump replacement - quick question
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Re: [DML] reassembling after water pump replacement - quick question



James, The green part on the left is the air pivot switch for the vacuum. I 
normally tell people to replace it due to the fact it's a mechanical item and 
20 years old. It really shouldn't turn. It's not that expensive. It routes 
the vacuum to the vacuum solenoid as the car heats up to advance the timing. 
As for the sensors on the right side. I would take them out and clean up the 
brass ends that are exposed to the water. They normally work OK and by 
cleaning will help regain some of the sensitivity of the thermistor inside. 
John Hervey
www.specialTauto.com


<< In the course of replacing my Water pump, cleaning that awful area 
down in there, replacing fuel injectors, and doing a quick tune-up-- 
I'm also (of course) replacing all my vacuum hoses.

Should the green part of the vacuum switch (on the internal water 
pipe) rotate freely of the brass nut portion? It does on mine. Worth 
replacing either way? How about the rest of the switch/sensors down 
in there? I'll never be down that far again... so.... 

Other than that one bolt the water pump project went (is going) 
smoothly, if a bit cold out there in the garage.

Thanks for your help!
James LaLonde 4009
>>





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