Electric fan conversion cooler line questions 1st Gen

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00LincLS

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Question about an electric fan/hydraulic pump delete install for a 00 LS V8.


With the old hydraulic system there are 2 cooler lines attached. From my u the hydraulic system utilized the cooler.


What do I do with the cooler line?


Also, the auxiliary cooler, is it separate (since the new fan is electric) or do I need a new one?


And, do I need to plug the return line to the cooler at the cooler?


Any clarification would be appreciated. Kinda confusing atm
 
I swapped my hydraulic fan system for electric using a Derale fan shroud, a couple of Perma-Cool 19111 fans, and a proform 69595 fan controller. You can remove the hydraulic fan pump, reservoir, and the lines, and then you would just need a shorter belt to make up for the missing pulley. I have been running this setup on my '00 3.9 for more than 3 years without issue. One thing to note, these cars only have a 110 amp alternator, a lot of aftermarket fans can put a huge load on the electrical system, so be mindful of that.

Somewhere on the LS section of this page is a writeup where someone else bypassed their hydraulic system and gave the correct length belt for the job, if I come across it again, I'll let you know.
 
Also, just to be clear, the hydraulic fan system is completely separate from the power steering system, contrary to what many believe. Removing the hydraulic fan pump only affects the hydraulic fan system.
 
BobLS said:
Also, just to be clear, the hydraulic fan system is completely separate from the power steering system, contrary to what many believe. Removing the hydraulic fan pump only affects the hydraulic fan system.
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I know the system is completely separated from everything else. I already have the pulley and belt etc. What I’m asking about is the cooler lines. You have to remove a couple of cooler lines in order to do this job. Do these cooler lines get cut off and not used, do they get reattached, etc.

It’s not the electric fan, belt, pulley, controller that I’m concerned about but these cooler lines.
 
00LincLS said:
I know the system is completely separated from everything else. I already have the pulley and belt etc. What I’m asking about is the cooler lines. You have to remove a couple of cooler lines in order to do this job. Do these cooler lines get cut off and not used, do they get reattached, etc.

It’s not the electric fan, belt, pulley, controller that I’m concerned about but these cooler lines.
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Just remove the lines. If you are getting rid of the other components, you could remove the lines as well. Alternatively, you could try tucking the lines out of the way if you didn't want to mess with disconnecting them at the pump. Unless the cooler lines you mention are part of a different system, and that's where you're stuck, there's really nothing to it.

My hydraulic fan system only had 2 lines total, feed and return.
 
BobLS said:
Just remove the lines. If you are getting rid of the other components, you could remove the lines as well. Alternatively, you could try tucking the lines out of the way if you didn't want to mess with disconnecting them at the pump. Unless the cooler lines you mention are part of a different system, and that's where you're stuck, there's really nothing to it.

My hydraulic fan system only had 2 lines total, feed
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So with your complete hydraulic pump deletion, did you keep the aux pump and lines?

Also, you mentioned the alternator (original one) only pulling 110 amps, do you have a suggestion on an alternator that would work better? Cause I’m installing an Derale 16833 dual
 
00LincLS said:
So with your complete hydraulic pump deletion, did you keep the aux pump and lines?

Also, you mentioned the alternator (original one) only pulling 110 amps, do you have a suggestion on an alternator that would work better? Cause I’m installing an Derale 16833 dual
Click to expand...
If you are talking about the auxiliary coolant pump, that has nothing to do with the hydraulic fan system, don't touch it. I removed the fan/shroud assembly, the hydraulic pump that's bolted to the engine, the reservoir, and all of the hydraulic hoses that connect those parts together.

It's perfect I ran into this post because I actually started with the Derale 16833 kit. The shroud fits so good you would think it was made for our cars, the fans will draw probably around 40 amps at full speed, so you will need a controller that can support that kind of load. The fans in my experience are not that great, mine failed after maybe a year, which is what led me to buying the Perma-Cool 19111 fans.

Unfortunately, 1st Gen 3.9L Engine alternators are regulated by the PCM, there aren't (to my knowledge, and I've searched) any aftermarket options that play nice with the PCM, many people have tried various products only to have electrical issues like headlights dimming, etc.

I am currently saving up for the powerbastards 220 amp alternator made for the 00-02 LS (8256-220-HD66-1), and using a MechMan MM-VC4 voltage controller to control it. The MechMan unit comes with a pigtail that is supposed to keep the charging light off, but I am unsure of its compatibility with the LS PCM.
 
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Also, the reason I am looking at an alternator upgrade is because I'll be running about a 3,000W audio system, and adding another battery (or two) to handle spikes. If your alternator is in good health, and so is your battery, you shouldn't need a higher amp alternator to run a couple electric fans.
 
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