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2000-2005 Eclipse (General 3G) General discussion and information about 2000~2005 (3rd Generation) Eclipse

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Old November 4th, 2017, 02:15 PM   #1 (permalink)
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Exclamation Confusing issue - No power steering / car dying

2003 Mitsubishi Eclipse GTS ( 6g72 )
108,XXX Miles

I was noticing some weird noises this last week when I would turn. Had wrote it off as ball bearings and ordered the part. This did not fix the issue as last night my power steering completely died as did the car. Power steering started getting stiff as I pulled into a parking lot followed by my brake ( not abs ) and battery light coming on. After a few moments I noticed a weird chirping noise as if a belt had slipped off but after inspecting, this wasn't the case.

There is not one single belt on the 6g72 engine that runs both the alternator and the PS Pump so I was confused as to how these both could go out at the same time. I have replaced the entire electrical system in the car as well as doing a timing job recently. I am entirely lost as to what the issue could be.

I'm thinking the ps pump went bad, but if this is so, why would it also be killing my car seeing as how the pump is on a seperate belt than my alternator?
This leads me to believe it is an electrical problem with the power steering pump not being an issue but just being affected by the loss of power at some point. What could be causing this when I just replaced basically my entire elec system. I have also checked and my alt fuse is intact as well as all of my other fuses.

- Both belts are fine and have been replaced within 5k miles as well as the timing belt.
-New fuseable link
- New alternator
- New tensioner pulleys
- New battery

Last edited by trippysheep94; November 4th, 2017 at 02:17 PM.
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Old November 4th, 2017, 05:11 PM   #2 (permalink)
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You'll probably get better help on a forum for your car

Club3G Forum : Mitsubishi Eclipse 3G Forums - The Original 2000+ Eclipse Authority

A 3000gt/stealth/gto forum may also be helpful, as they use the 6g72 as well
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Old November 4th, 2017, 07:32 PM   #3 (permalink)
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Like Sabertooth said the best place to find an answer is probably the Club3G group, but if i might offer a suggestion. I have very little experience with a 6G72 motor but i work with other cars that are a duel drive belt set up everyday. Since you said you have replaced the drive belts i would suggest to go back and check that the tension on them is not set to tight.

The reason is even though the power steering pump and the alternator are not driven by the same belt, they are linked to each other by the crankshaft. If the tension is set to tight on both of them then a failing power steering pump can slow down the crankshaft in turn slowing the alternator, and in extreme cases completely stalling the car. The reason i say this is that this car does not use hydraulic or spring loaded tensioner, Instead it uses static ones that have to be adjusted periodically by hand. Hope this helps
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abs, alternator, bad, ball, battery, belt, brake, car, eclipse, electrical, engine, fix, issue, light, mitsubishi, mitsubishi eclipse, noises, power, power steering, pump, single, stiff, system, timing, tire

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