Question about 1998 Pontiac Firebird

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I put a new tensioner for the belt on my 1998 pontiac firebird v6. now the battery went out and dont know if its the battery or alternator

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  • Pontiac Master
  • 4,336 Answers

The best way is to extract the battery and FULLY charge it, then test it. Many parts stores can do this for free. Then, if the battery is okay, pull the alternator and have it bench tested. Likely that one of those steps will show your issue.

Batteries that have gone completely dead seldom have very much life left in them...

Posted on Sep 30, 2010

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2 Answers

1998 Isuzu trooper 3.5 alternator replace


step one remove battery neg lug .
the above video (of book?) is wrong.
the belt tension-ing step was skipped.

remove belt steps remove alt. wiring. remove alternator (bolts) it falls free. replace it , reverse steps above belt back tension belt. battery cable back. test run. charge/BAT lamp off?
see wrench below, turn it CW.
this releases the spring tension and belt comes off
to put back, do same and put on belt and release wrench.

25186758-dk3xh54xw1fmpqbxyhqoyzal-4-0.jpg3.5L only. USA only.

Oct 05, 2014 | Isuzu Trooper Cars & Trucks

1 Answer

How do i change alternator 3.4 v6 pontiac gran prix


the alternator is on the left near the firewall side of engine. disconnect the negative terminal on the battery you have to remove the belt by raising the belt tensioner to release the tension on the belt, if you cant get a ratchet on the tensioner a 19MM wrench will fit on the end of it.
remove the bolts holding it in place, there is one in the back that holds on a steel bar, there is 2 that actually hold the alternator to the bracket,
carefully unplug the voltage regulator and then use a 1/4 inch ratchet with a 10MM socket to remove the wire under the rubber boot, you may have to put a wrench on the alternator stud under the wire so it doesn't try to turn with the nut.
follow directions in reverse to put new alternator in, reconnect negative terminal on the battery.

Sep 22, 2011 | 1994 Pontiac Grand Prix

1 Answer

My car won't charge properly


COULD BE FAULTY ALTERNATOR BUT.CHECK ALTERNATOR FUSE.CHECK ALTERNATOR BATTERY FEED WIRE AND VOLTAGE REGULATOR WIRES FOR DAMAGE.CHECK DRIVE BELT TENSION.IF BATTERY CABLES VERY OLD REPLACE THEM.THEY WILL CAUSE HIGH RESISTANCE ON CHARGE CIRCUIT.TURN OFF RADIO FIRST BEFORE REMOVING NEGATIVE BATTERY CABLE.

Mar 12, 2011 | 1994 Pontiac Firebird

1 Answer

How do I loosen the idler wheel in order to change the drive belt on a 2002 Pontiac Grand Prix V6 3800.


just use the size wrench that fits on the pully to relieve tension on the belt and remove belt while takeing the tension off repeat to put new on that way you dont have to remove anything

Nov 24, 2010 | 2002 Pontiac Grand Prix

2 Answers

How to change a alternator on 98 honda accord v6, 3.0


Shut off engine and let it cool down. Remove the alternator bolts. This will loosen belt and allow you to remove alternator. Disconnect and label wires. Have a helper help you install new alternator while tightening belt. You need about 1/8 inch slack on the belt. You can purchase a belt tension tool to help you measure. Tighten alternator bolts and plug wires. Turn on engine and check that battery holding steady voltage.

Aug 17, 2010 | 1998 Honda Accord

2 Answers

How to change the alternator in a 1995 Grand am Thanks


First unhook battery. Then unplug connectors and wire. Loosen bolts to take tension off of belt. Remove belt remove bolts holding alt. Place new alt in spot remember wich holes go where so not upside down replace bolts dont tighten yet. Install belt on all pulleys tighten tensioner bolt on alt bracket to snug tension after proper tension is achieved tighten all bolts and nuts. replace all plugs and wires reconnect battery pay attention to pos and neg dont hook up battery backwards. Congrats your done.

May 03, 2010 | 1995 Pontiac Grand Am

1 Answer

My pontiac transport cuts out i replaced the fuel pump and the battery goes dead after awhile new battery now while driving it dies like a fuel problem new fuel filter too please help


Check the alternator for voltage output,worn belt and belt tensioner.

A health alternator should be produce 13.6-14.8V.

Any less it will put a drain on the battery.
(example: fuel pump,fans and lights)


Base on what you changed already,I recommend you to


1)inspect the tensioner wear indicator (two arrows,lines or dots) if they coming close the it's time to change the tensioner.

2)check the for worn belt. Look for cracks on the belt.

3)charge up the battery and monitor the voltage.

4)get the alternator check.
Most alternator can go up to 100,000 miles.
Some auto part store has a portable battery + alternator test.

Nov 16, 2009 | 1997 Pontiac Trans Sport

1 Answer

Alternator


Answer Use a large wrench to take tension off of your serpentine belt and remove the belt from the alternator, (just the alternator). Disconnect the wires. Remove the bolts then the alternator. Put new alternator in place using old bolts. Replace wires (may only be one wire, depending on the alternator). Get your large wrench back out, put the belt back on the alternator, and your good to go. this should do it.

Jul 09, 2008 | Hyundai Motor 1998 Sonata

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