Question about Cars & Trucks
Can I replace the voltage regulator without removing the altinator
Posted by Anonymous on
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Posted on Jan 02, 2017
SOURCE: voltage regulator
Voltage regulator is built-in to the alternator assembly.
Have you tried replacing the battery?
A battery with a shorted cell will not charge properly and may even damage an alternator or regulator.
Note1: use a digital voltmeter (about $25 at Lowe's or Radio Shack) and check voltage across batt terminals while engine running. If more than 12.6 Volts DC and more typically about 13 Volts, then the alternator is working.
Note2: from Jan 98 to May 98 shows a different part # alternator than June - Dec 98
check the manufacture date on your driver door edge.
Posted on Oct 25, 2008
It's a real pain in the ****. I have a 1990 S80 that I changed one on. They are held in place with rivets. You have to drill them out to remove the regulator (not too bad). It's hard to work on because there are only so many holes in the door.
Once the new one is in place, you need to rivet it in place.
One of the rivet holes is a couple of inches deep inside the door, and you cannot get a standard harware store type rivet gun in there.
What a pain. I tried using a small bolt and nut, but it fell off after a while.
You may be able to get by with a small bolt and a nylon insert nut.
If you know w local mechanic who works on Volvo's best to have them do the job. It stinks!!
Posted on Sep 20, 2009
The regulator is in the alternator. Did you check voltage at the battery? Nothing in the diagram jumps out at me. Is the check engine light on? Maybe we could get a hint if there was a trouble code.
Posted on Sep 26, 2010
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