Question about 2003 Chevrolet Tahoe

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How to change the spark plugs in a 2003 chevy tahoe

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: need plug gap for 2003 4.3 chevy truck

the plug gap is -- .060

Posted on Dec 06, 2008

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SOURCE: how do i change spark plugs on a 2003 chevy tracker?

I don't know if your vehicle is a 4 cylinder or 6 cylinder. This will make a difference in the # of cylinders as well as the placement. If it is the 4 c ylinder when you open the hood it says at Autozone.com that the spark plugs are on the front of the motor lined up 1-4. If it is the 6 cylinder then you will have 3 at the front of the motor and 3 at the back of the motor. Regardless it is the same concept. I don't know for this particular vehicle, but it is possible you may have to remove a large plastic engine covering in order to access the spark plugs. What I recommend is to replace the spark plug wires at the same time as the plugs. For all my vehicles I use NGK plugs and NAPA auto parts has the best plug wires I have used - Belden Maxx. Prior to starting you will want to check the "GAP" on each new spark plug. Using a spark plug gap tool available at parts places for about $1. Take the new plug and the non-porcelin end (the end that has the arc) insert the arc into the gap tool at the lowest end and slide the plug around until you reach the corresponding "GAP". For this vehicle it should be .44" (I checked on Autozone's website but you may want to check to be sure. At some of the part's places they may tell you that you don't have to check the gap, but believe me you alway's should. I just did a car where they insisted that I didn't need to check the gap and each plug was not gapped properly. The Arc on the plug has to be specific for your vehicle or you will have too much spark or not enough. After gapping the new plugs you are ready to start. Somewhere on the side of the motor you should see either 4 or 6 wires/cables branching out to the cylinders. Starting with whichever you prefer (do only one at a time to avoid confusion) trace the wire/cable to the cylinder and where it goes to the cylinder a "boot" covers the spark plug. Twist the boot until it comes off . If you are going to replace the plug wires take that one off and match it up to your new set (They will be different lengths). You will need a ratchet and a spark plug socket (available at parts places) The spark plug socket has rubber on the inside to protect the porcelin of the spark plug, and to provide grip. You may or may not need a small extension. Place the spark plug socket over the end of the spark plug and apply pressure until the spark plug begins to loosen. You may have to apply quite a bit of pressure if they are in there tight. Once it is loosened take the old plug out, and place the new plug in the spark plug socket. Don't use the ratchet at this point, just begin to thread the plug in by hand once it is in there as much as you can get it, tighten it down with the ratchet making sure not to over-tighten. Do the other cylinders in the same manner.

Posted on Mar 04, 2009

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SOURCE: Where is the oil sending unit located on a 2003 Chevy Tahoe 5.3 engine

its in the block behind intake manifold .

Posted on May 05, 2009

  • 2 Answers

SOURCE: spark plugs

The spark plugs on the cavalier are under the 2.2 ecotec panel located on the top of the engine. There are no spark plug wires to deal with. The electronic coil pack directly attaches to the plugs with rubber seats like in a spark plug end. Then you use a deep socket ratchet to get the plugs out. Use anti-seize compound when replacing the plugs.

Posted on Jun 30, 2009

michigan man
  • 3533 Answers

SOURCE: How to change spark plugs of Chevy cavalier 2002

for the most part they are in between the fuel injector the best thing for you to do is stop by your local GM dealership in the part department and they be able to print you off the pictures and diagrams you need if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car Merry Christmas and Happy New Year as always wish you the best of luck Michigan Man.

Posted on Dec 21, 2009

Testimonial: "great thanks for the info. bobbotg2005"

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Donde comprar los solenoides de los cambios chevy tahoe 2003


Where to buy solenoids chevy tahoe 2003 changes

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en cualquier tienda de reparaci?n autom?tica, piezas de Chevy centro de eBay?
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I need help locating a module ignition modulator in a 2003 Chevy Tahoe


Who told you that one ? Module ignition modulator 2003 Chevy Tahoe ! No such thing! Your best bet would be to take your vehicle to a qualified repair shop .
The electronic ignition (EI) system is responsible for producing and controlling a high energy secondary spark. This spark is used to ignite the compressed air/fuel mixture at precisely the correct time. This provides optimal performance, fuel economy, and control of exhaust emissions. This ignition system consists of a separate ignition coil connected to each spark plug by a short secondary wire. The driver modules within each coil assembly are commanded ON/OFF by the powertrain control module (PCM). The PCM primarily uses engine speed and position information from the crankshaft and camshaft position (CMP) sensors to control the sequence, dwell, and timing of the spark.

Aug 09, 2016 | Cars & Trucks

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2002 chevy tahoe, i have fuel, i have spark, but wont start?


Well the third ingredient is compression, but I will assume you have that. You say you have spark, so I will assume you checked for spark at the plugs. How do you know you have fuel spray at the injectors ?

Jul 12, 2013 | 2003 Chevrolet Tahoe

1 Answer

Stupid question. How to replace spark plugs on a 2003 chevy tahoe? I just want to make sure that I don't do anything wrong before attempting to do the work.


Hello, one of the main mistakes a lot of people make is pulling off all of the plug wires at once. Do them one at a time, remove that plug and replace the wire before moving on to the next plug. Grab the spark plug wire boot, not the wire and give it a slight twist to loosen it. I always start the new spark plug by hand to avoid cross threading. Once the plug is tightened, make sure the spark plug wire is fastened securely. I hope this helps.

Mar 08, 2010 | 2003 Chevrolet Tahoe

1 Answer

Where are the oil drain plug and oil filter located on my 2003 tahoe so that I may change my own oil? any special instructions?


Here is a step by step video on changing the oil and filter on your Chevy Tahoe. It starts with a lot of safety information, but will quickly get into the process.

http://revver.com/video/219938/chevy-tahoe-oil-change-auto-repair-video/

Jan 21, 2010 | 2003 Chevrolet Tahoe

3 Answers

1999 Chevy tahoe will not start


check the crank sensor. no signal from the crank sensor causes a no spark condition. best way to check is to put a scanner on and check for rpms.
the crank sensor is differnt from the cam sensor

Nov 02, 2008 | 1999 Chevrolet Tahoe

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