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How do replace a amplifier on 2003 Chevy Suburban Z71 the amplifier part number is 15267752.

Not sue about the model. It is a 2003 Chevy Suburban Z71. It has the bose system in it. The amplifier is bad. The part number is 15267752.

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Posted on Jan 02, 2017

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SOURCE: knock sensor for a 2003 chevy Z71 5.3 L

These sensors are quiet a problem. They are located under the intake and normally go off because the engine got washed sometimes the water will evaperate and the problem goes away but anymays the intakes gota come off there are 2 of them so i would recomend replacing both while ur at it

Posted on Dec 18, 2008

  • 106 Answers

SOURCE: Changing CO2 Sensor on 2003 Chevy Suburban

check the whole exaust sestyem? there should be 4to5

Posted on Mar 19, 2009

  • 98 Answers

SOURCE: No sound from Bose system in 2003 Yukon XL

im sorry but i dont think you are going to able to find that chip.i think your best choise would to go the the junk yard for a new amp.or if you feel lucky try conntacting bose.

Posted on Mar 24, 2009

  • 2007 Answers

SOURCE: Losing power in 2003 Chevy Suburban Z71 (80,000 mi)

Fuel filter plugged.

Posted on Apr 27, 2009

  • 20 Answers

SOURCE: 02 chevy Z71 suburban 5.3ltr doesn't start first turn of the key

Unfortunately, this problem could be caused by a number of things. A fuel pressure regulator is not usually one of them. The fuel pressure regulator will help to, essentially, regulate and change the pressure of the fuel in the fuel rail as the engine RPMs change. This change is usually minor, however, and will not interfere with the initial startup of the vehicle. I can give you a few basic ideas of where to look, I have seen this same problem on other 5.3L motors, but I have also seen it on many other cars as well, and the problems never seem to be consistent. If the truck has had a fresh tune up, and the filters have all been changed (most notably, the fuel filter) then the first thing to look at is going to be the throttle body. On the intake, there is a butterfly valve- if this is all gummed up with carbon or other deposits, clean it! (Note, it is best to wipe down well with a clean cloth, be as gentle as possible. Hold the butterfly valve open by hand or have a friend hold the gas pedal down (with the truck off, of course), and wipe this down thoroughly. You will have to take off the air cleaner and tubing first, in order to reach this. If this doesn't help, you could have a vacuum leak. You could have a bad Throttle Position Sensor, or a bad Mass Air Flow sensor. If your fuel return line is clogged or vapor locked, it will make it harder to start the vehicle. If the fuel pump is putting out sufficient pressure, but not the intial sufficient volume you need, that could also be a problem. There are a LOT of things that could cause this realistically, but the best thing to do is to eliminate the easiest problems one by one. Keep up on the maintenance, routinely check your filters and spark plugs, and DO NOT use cheapo parts. If you determine that it is not a simple failure, or are not comfortable with testing fuel pressure or volume output, checking the intake manifolds for minor vacuum leaks, etc. it may be best to take it to a professional who is trained to do that. Look for a shop in your area with a good reputation, as this isn't just a routine problem, and will take good diagnostic abilities and a skilled technician to fix it.

Thanks for asking!

Posted on Nov 07, 2009

Testimonial: "Thank You for your help I was hopeful it was simple seeing that it always starts second try when cold & when warm it starts on first Try."

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