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2003 Blazer Battery Problems

7 messages,  Last post on Feb 24, 2009 at 4:08 AM

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#4 of 7 Re: 2003 Blazer Battery issues [dtrevino80] by jlflemmons Feb 23, 2009 (10:30 am)
Replying to: dtrevino80 (Feb 23, 2009 9:44 am) At a 130K miles, a worn out starter wouldn't be too unusual. I would run the simple tests listed above before pulling it out for a bench test. As you will find out, things are a bit tight under there!
#5 of 7 Replace starter. by duntov Feb 23, 2009 (12:13 pm)
First, replace your "No Name" battery with a AC Delco 75-60 (60 mo.) Replace the positive and negative battery cables with OEM AC Delco side terminal battery cables while you are at it. The positive cable from the battery to the starter is difficult to replace but it is a good time to do it if you are going to remove your starter anyway. Second, don't pull the starter just to have it tested. If you go to all the trouble to remove the starter, go ahead and replace it with a NAPA rebuilt starter and new solenoid, after all, you starter has 130,000 miles on it. I feel sure your alternator is OK. However, you should check the internal regulator connector on the side of the alternator and make sure it is still attached and tight. Those GM weather-pack connectors can be damaged when removed with a screwdriver and vibration and air flow can blow the connector off the alternator especailly at higher speed. When that happens, your engine and accessories are running on just the battery alone and the alternator is not recharging it..   NAPA parts are among the best rebuilt parts you can buy, They have the highest quality control standards in the industry and their contract rebuilders must follow them. If you will notice, NAPA does not have "discount auto supply" in with their name or advertisements and that is why their prices are slightly higher than the parts from the "discount" auto suppliers" like Autozone, Pep Boys, etc. No, I have no financial interest in NAPA.   You can find the NAPA parts you need on-line (http://www.napaonline.com ). Print and take a copy of the web-page to the NAPA dealer and present it to the counterman. That will help eliminate any ordering mistakes. "Never trust a counterman." .AC Delco replacement parts can be purchased on-line from Rock Auto ( http://www.rockauto.com ) and are about 30% cheaper than the MSRP of AC Delco parts.   The batteries on all computer controlled vehicles have a constant parasitic battery drain due to the radio, digital clock, relays, sensors, ECM, etc., even when the engine. is not running.. With a 50 - 100 ma parasitic battery drain, a weak battery can be dead as a door nail in 24 hours. Example, my so-called " 36 month" Autolite battery was only 13 months old and was dead in two days because of a shorted power door lock relay. I did not fall for the hook by getting a battery adjustment and therefore get another Autolite battery It took me four years to get off the "battery adjustment" merry-go-round from Sears Die Hard batteries. I replaced the power door lock relay and replaced the Autolite battery with a AC Delco 75-60 (60 month) battery. I expect the AC Delco battery to need replacment in about 40 months. Normally a battery will last about 3/4 as long as the warranty. That scam keeps customers coming back for the same brand.   NAPA......"GET THE GOOD STUFF" Replies to this message: dtrevino80 (Feb 23, 2009 6:35 pm)
#6 of 7 Re: Replace starter. [duntov] by dtrevino80 Feb 23, 2009 (6:35 pm)
Replying to: duntov (Feb 23, 2009 12:13 pm) Well like I said, I did replace the alternator Friday and battery yesterday. I am hoping to know by tomorrow whether or not this has worked. I will be sure to update and let you know how it goes. I am hoping to not have to replace the starter as I have not even had this vehicle a week and I am already at 200+ dollars in repairs. Thanks for all the help!!!
#7 of 7 Good start by duntov Feb 24, 2009 (4:08 am)
The alternator and battery are the easiest and cheapest things to replace and those are the first things to consider, if you are going to keep the vehicle for a few more years. If those do not help your starting problems, the starter is likely the culprit.   Don't be too concerned about fixing a problem by the process of elimination on a vehicle with high milage. Professional auto mechanics sometimes do the same thing.......at your expense.

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