Question about 2005 Chevrolet TrailBlazer

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I need to change the plugs on an 05 Trailblazer what is the best way to do it?

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SPARK PLUGS UNDER THE ENGINE COVER ON TOP IN THE CYLINDER HEAD.SPARK PLUGS COILS AND BOOT ON TOP OF SPARK PLUGS.YOU NEED TO REMOVE COILS ON TOP OF SPARK PLUGS TO GET TO SPARK PLUGS. YOU NEED A SPARK PLUG BOOT PULLER.YOU NEED A 3/8 RATCHET WITH A LONG SPARK PLUG SOCKET.YOU NEED SPARK PLUG GAUGE.A TORQUE WRENCH WOULD BE GOOD TO HAVE BUT NOT MANDATORY. TORQUE SPARK PLUGS 156 INCH POUNDS. DONT OVER TIGHTEN STRIP PLUGS THREADS PUT ANTI SEIZE ON SPARK PLUGS THREADS. AND REPLACE ONE SPARK PLUG AT A TIME SO YOU WONT MIX UP FIRING TIMING.USE DIELECTRIC GREASE IN PLUGS BOOTS SO THEY SLIDE EASILY ON THE SPARK PLUGS.

Posted on Nov 06, 2010

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Remove the rubber boot carefully. Might want to grab ahold of the boot and turn in back and forth to break it free abit then pull the boot off. 5/8 deep socket with the spark plug insert will help keep the plug in the socket as you pull it out.

-david

Posted on Nov 06, 2010

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SOURCE: What's the best spark plugs to use in 05 chevy

After playing around for years with different plugs from coper to platinum I have found that the AC plug that came with it is the best replacement. GM plugs are now rated for 100,000 mi or 160,000 KM.

Posted on Feb 25, 2011

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Apr 11, 2011 | 2005 Chevrolet TrailBlazer

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What's the best spark plugs to use in 05 chevy trailblazer


After playing around for years with different plugs from coper to platinum I have found that the AC plug that came with it is the best replacement. GM plugs are now rated for 100,000 mi or 160,000 KM.

Feb 25, 2011 | 2005 Chevrolet TrailBlazer

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I changed the front pads on my 05 trailblazer i did not have a c clamp so i took the break line off the caliper now when i tried to bleed the breaks with the bolt on the break line i only get a stiff pedal...


Have you checked your Master Cylinder to ensure that it's full of fluid? If it is empty the best way to bleed the brakes in that case would be to add fluid and then break the caliper bleeders loose and let gravity do its thing. Gravity bleeding is the best way to make sure you don't trap air in the brake system. Make sure you keep the master cylinder full of fluid while gravity bleeding. Run approx 2 reservoirs full to make sure that you have no more air in the line! And you should be done.
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Feb 06, 2011 | 2005 Chevrolet TrailBlazer

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05 TrailBlazer 57,000 miles 4.2 6 cyl, bad vibration at cold startup, in idle and in drive, in reverse, smooth. Summer mornings just very slight. I live in central GA. My brother also has a TrailBlazer ...


WHEN YOU SAY THAT IT GOES AWAY IF YOU PUT IT IN REVERSE THE THERE HAS TO BE A MOUNT OR SOMETHING HITTING ON THE LEFT SIDE PUT IT ON A LIFT AND TAKE A BIG BAR AND MOVE THE MOTOR UP ON THE LEFT SIDE AND SEE IF THAT CHANGES THE FEEL CLEAN OUT THE THROTTLE PLATES AND SEE IF THAT TAKES CARE OF THE HESITATION

Oct 21, 2010 | 2005 Chevrolet TrailBlazer

1 Answer

2003 Trailblazer loses power, I am getting codes P1271 and P1271p/d


#PIT3138A: 02-05 Chevrolet, Buick, Oldsmobile and GMC Mid-Sized Utilities Reduced Power Light On and DTC P1680 P1221 and/or P1271 Stored in the PCM - kw fan clutch SES light power MIL 4.2 LL8 - (Nov 1, 2004) 
The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.
Condition/Concern:
Reduced power light on and DTC P1680 P1221 and/or P1271 stored in the PCM 
Recommendation/Instructions:
Monitor the 5V reference to the Accelerator Pedal Position ( APP ) sensor, circuit 1274, using Peak Min/Max on a Fluke 87. Refer to Si document 1454678 for the 5V reference schematics. Command the fan clutch control "on" with the Tech 2 at 50%. If when commanding the fan clutch on, the 5V reverence spikes to battery voltage, the concern is the 5V reference shorted to battery voltage intermittently inside cooling fan clutch. Replace the fan clutch to repair this concern. 

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.
Models:
(02 - 05 Chevrolet Trailblazer and Trailblazer EXT) and (02 - 05 GMC Envoy, Envoy XL and Envoy XUV ) and (02 - 05 Buick Rainier) and (02 - 04 Oldsmobile Bravada) 

Jul 16, 2009 | 2003 Chevrolet TrailBlazer

1 Answer

HOW DO U CHANGE THE HEADLIGHTS ON THE 05 TRAILBLAZER THERE ALMOST IMPOSSIBLE TO REACH


If ther is no openings on the headlight bezal then cheeck behind the rad. support just behind headlight and there should be 2 retaining strapes there about 3in. long and just pull stright up. the ***. should pull stright out.

Jun 16, 2009 | 2005 Chevrolet Trailblazer Ext

1 Answer

Trailblazer lt 05 overheating


overheating has a few possibilities.
thermostat.
low volume from water pump.
air lock caused by a small leak
cooling fan not coming on. from radiator fan switch or relays.

have the system pressure tested,
check the fan operation,electric or clutch fan.


Feb 02, 2009 | 2005 Chevrolet Trailblazer Ext

2 Answers

Chevy trailblazer drags when stepping on the gas makes a slight humming noise


sound like possible fuel filter has some dirt in it you are suspose to change every timr you change oil or the fuel pump is over heating when you drive it try the filter first the

Jul 31, 2008 | 2005 Chevrolet TrailBlazer

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