Subaru Liberty 4WD warning light problems

Submitted: Thursday, May 22, 2008 at 11:29
ThreadID: 57880 Views:3644 Replies:3 FollowUps:1
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My "other" car is a 1991 Subaru Liberty dual range 4WD wagon which has been very reliable to date. Recently though, the warning lights for "Battery charge indicator", "Brake fluid level" & "Stop lamp bulb" come on when I slow down but go off when engine revs increase above 1200 RPM. I've checked the fan belt, battery & alternator connections, brake fluid levels and brake light bulbs and all are OK. Has anyone experienced this problem and found a remedy ?
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Reply By: Member - Troll 81 (QLD) - Thursday, May 22, 2008 at 13:08

Thursday, May 22, 2008 at 13:08
I would check the voltage coming out of the alternator and if it's charging your battery or not....sounds like once you increase the revs there's enough voltage to keep her going?

Maybe the battery is shot?
AnswerID: 305270

Reply By: DaLUX - Thursday, May 22, 2008 at 15:29

Thursday, May 22, 2008 at 15:29
i have a imported liberty (legacy) and have problems like this fortunately i wouldn't stress the dash in these old libs are terrible for things like this, my dash lights some times permanatly all just turn on, doesn't matter what speed im going sometimes when im stopped, ive measured voltages and finally took it to an auto elec he couldn't find any problems, the dash's get old and move around.

there is more info here if you do a search

*mods feel free to remove link if its in breach of some rules
AnswerID: 305291

Reply By: autosparky - Thursday, May 22, 2008 at 22:23

Thursday, May 22, 2008 at 22:23
check the regulator , also the rectifier some of those hitatchi alternators became open circuit with the addition of heat.
AnswerID: 305368

Follow Up By: Old Mal - Tuesday, May 27, 2008 at 07:57

Tuesday, May 27, 2008 at 07:57
Hi Autosparky, you were right - the Hitachi Alternator rectifier diode(s) had died. Ended up buying a brand new unit ($296.00) which I did not think was too bad as to get the old one repaired inc new diodes, bearings & brushes was quoted at $250.00 !
FollowupID: 572093

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