Question about 2004 Chevrolet Silverado 2500HD

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Won't start when it's cold outside

Every time it's cold outside my truck won't start. I put new battery and alternator on still won't even turn over sitting all night.

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  • Chevrolet Master
  • 1,449 Answers

If this is a diesel then water in the fuel pump open drain plug to remove.then procedures for bleeding the system.

Posted on Dec 27, 2013

  • Teresa Begley Jan 04, 2014

    not a diesel....gas truck

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6ya6ya
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Posted on Jan 02, 2017

  • 6982 Answers

SOURCE: 2001 chevy silverado 1500 v8 battery drain after sits for 1or2day

, do a simple test on the charging system...check battery voltage. should be 12v or better. start engine & check volts at idle, no accessories on. volts should read 13.5 -14v. Turn on all accessories(including headlamps on high) volts should drop slightly but should not creep down. Definitely not below 12.5. If voltage drops lower than 12.5, the regulator (in the alternator) is not working. either change regulator or change entire alternator. Alternator drive belt should have sufficient tension so that alternator cannot be turned easily by hand. If it can, check belt tensioner.

Posted on Mar 18, 2009

  • 7 Answers

SOURCE: 2002 Chevy s10 electrical problems

Not to well versed on the S-10 electrical system but I would take a look at the voltage regulator.
It sounds like there is a malfunction that charges your battery sometimes but shorts out the alternator other times. Try having it tested or replace it
WD-40 will not do the trick for cleaning your terminals. WD-40 was developed during the 2nd WW to combat moisture in radio equipment in the South Pacific. WD stands for water displacement and the 40 is for formula #40. To clean the terminals you must disconnect them and use an abrasive such as emery cloth to remove the corrosion. They should be brite and shiny when you put them back together. I always cote mine wit dei-electric grease before re-assembly

Posted on Nov 21, 2009

redds55
  • 2620 Answers

SOURCE: 1997 chevy silverado starts one day next will not start

The next time it does not start have someone crank it over while you tap on the mass air flow sensor,if starts then remove the mass air flow sensor and clean the small wires inside of it using a non-chlronated brake cleaner let dry 10 minutes then re-install.

Posted on Jun 25, 2012

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