Cooling fan questions?

[Chazzo]

OK, I know the electric fan conversion has been mentioned several times. I'm planning on using aftermarket fan and using an aftermarket controller that uses sensor spliced into a coolant line with adjustable temperature. I'm confident with that portion of the install. My 2 questions are on a 00 V-6:

Can the original hydraulic pump be unplugged without throwing a check engine light or putting motor in limp mode?

Secondly, Has anyone come up with a replacement pulley to be able to remove the actual hydraulic pump? I was told you cannot just use a shorter belt.

Thanks

 

[joegr]

...Can the original hydraulic pump be unplugged without throwing a check engine light...

The PCM will detect that the load of the fan speed actuator is not there. I'm not sure if that turns the check engine light on. I feel like the best thing to do is to remove the actuator (or at least the solenoid coil part of the actuator) from the pump and then strap it somewhere safe nearby, still plugged in to the electrical connector.

...or putting motor in limp mode?...

No, it would not cause any Failure Effects Management (limp) mode, AFAIK.

...Secondly, Has anyone come up with a replacement pulley to be able to remove the actual hydraulic pump? I was told you cannot just use a shorter belt...

You need to use the idler pulley, bolt, and belt used on the gen II V6 (2003-2005).

 

[DaleGrib]

Wouldn't they be better off grabbing the fan from a gen 2 to do this as it would bolt up to the same holes right? I know it's gotta get wired and such still to work but was just talking for fitment sake. As this may be in my future repairs as well.

 

[joegr]

Wouldn't they be better off grabbing the fan from a gen 2 to do this as it would bolt up to the same holes right? I know it's gotta get wired and such still to work but was just talking for fitment sake. As this may be in my future repairs as well.

Mechanically, sure. Electrically, it's a different story. The only way to make that work right (since the controller is built into the gen 2 fan motor), is to build some custom electronics to shift the frequency of the PWM signal that the PCM puts out. From that point of view, an aftermarket fan is easier for sure.

 

[DaleGrib]

Mechanically, sure. Electrically, it's a different story. The only way to make that work right (since the controller is built into the gen 2 fan motor), is to build some custom electronics to shift the frequency of the PWM signal that the PCM puts out. From that point of view, an aftermarket fan is easier for sure.

Gotcha, that makes sense now!

 

[jlowe]

Oddball made a really good fan controller a few years ago. I made one off of his print and it works great. I have a v6 stick and I had to make a bracket for the idler sheive.

 

[tireman]

There is an article out there on how to do this to the V6. The article tells you what parts to get exactly. Look for it, it will help you.