Question about Chevrolet TrailBlazer

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Bad fuel pump symptoms

Just changed battery in 2003 trailblzer. immediately upon re-starting, there is a loud clicking noise behind 3rd row seat passenger side panel...??auto parts guy thinks its a fuel pump issue; possibly related to electrical system when battery died

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  • Chevrolet Master
  • 1,311 Answers

That clicking is one of the actuators for the rear HVAC system. They sometimes fail or get stuck when there is a loss of power.

Posted on Mar 25, 2014

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Posted on Jan 02, 2017

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SOURCE: 1998 Cabriolet 2.8 electrical noise

Hi tkw222,

Have you checked the operating motor for the soft top?....It sounds very much like you may have a relay problem with the cut off control for that motor....have a good look and make sure that there's nothing fouling the operation of the unit...

The pump is probably an immersible type, which will then be mounted inside the tank....If it external, it still carries the fuel..... I would hope that you don't have a problem with that, as if it is working under high load, it would be over heating and that could be very dangerous..... Have it checked very quickly.... Once you're satisfied that it is NOT the pump....Take a friend with you and ask for that person to listen for the direction that the sound is emitted.....Also carry a rubber pipe and using it, your friend will be able to pinpoint the noise.... Once you know the place, you'll be able to identify the defective unit and take the relevant action.

Regards Johngee10

Posted on Sep 17, 2008

  • 1 Answer

SOURCE: clicking noise behind right side second row seat

I had the same problem. There are two regulators and the one that determines air direction is broken. The door inside is hung up and it strips the gears in the regulator. You can leave all the seats in the car but you have to remove several panels on the inside to get to the regulator. Many or them pry off. This can be risky if you are not careful and you may decide you don't want to risk it. Others need bolts removed (around the seatbelts) to remove. If you get to that point you will find two regulators that are white in color. They are anchored by 4 screws (i think) and come right out. Determine you have the proper one by toggling the face/floor button. You can follow the noise. The real problem here is with the door that hangs up. Mine hung up because the whole assembly was anchored against a big wiring harness on the back side that cracked the whole casing. Bad engineering. You may have to remove some sharp cracked pieces so the door moves easily. Problem is that you now will have a hole in your AC/Heating unit. You can replace that as well (expensive) or seal it some other way. By the new regulator from Ford and reassemble and you're done. If you are handy it should take you a couple of hours. My bro had the same problem on his Explorer and we fixed it much quicker the second time around. If you are not handy, you might want to reconsider.

Posted on Feb 01, 2009

  • 2 Answers

SOURCE: 98 astro van starts and dies immediately. Spark

redbeard00 could be on the right track...an aftermarket security system or a passlock bypass,( for a remote starter), would have to be reprogrammed to match any new passlock learned settings. Just experienced this myself,( previous owner had a bypass installed and I didn't know about it untill digging around in the underdash wiring looking for a convenient place to test the signal coming from the keylock tumbler. simply removing it did the trick)!!

Posted on May 30, 2009

  • 71 Answers

SOURCE: Air Conditioner blows hot on one side after battery DC

You need to replace the driver side temperature door control actuator. While doing this... make sure you bolt the new one in AND THEN PLUG IT IN or it will spin and not line up in the right place... then there is a series of crazy steps to fix that problem.

Posted on Jun 27, 2009

  • 67 Answers

SOURCE: car started and died immediately. ether started

DO YOU HAVE VTSS VEHICLE THEFT SECURITY SYSTEM? MUST REMOVE FUEL TANK IF REPLACE PUMP

Posted on Nov 18, 2009

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Gas pumps problems


I am guessing this is on a Sorento ? First of all let's trouble shoot in case someone else is having the same problem I am guessing that you have previously checked the fuel safety switch located on the right fender well in the engine compartment. I will have a round black rubber cover, push it if It clicks great you just reset it and maybe fixed your problem for free. This switch is a magnetic held in place ball that upon a really bad bump ( I had a RF tie blow out) or a wreck the ball is knocked off it's seat breaking the electrical connection that feeds power directly to the fuel pump. Use a test light or multimeter to make sure you have voltage through the switch. Next thing check the 15 amp fuel fuse (located under the fuse/relay box left rear of engine compartment) . It is one of he micro fuses 3rd row from the left 4th row down not counting the Main 120 AMP fuse. Check it with a meter sometimes a fuse, bulb, relay, wire, or connection will look good but will be bad. You need to check the Fuel Relay is row on the left 9th position down or 2nd from the bottom. Quickest way is take any relay near it has the same number on top and swap them to see if the pump begins to work and if the one you swapped with stopped. Then you know the relay is bad. If it still works If so open the right rear passenger door the look at the base of the front of the bottom portion of the seat. Thee will be two bolts remove them then you should be able to lift up the front of the seat and wiggle it from under the bottom of the back part of the seat. Now you will see a rectangle panted black lid remove the retaining fasteners and pop up. It will have a little water tight sealant so you may have to use a standard screwdriver top pop it up. Underneath you will see the top of your fuel tank and the fuel pump. You can just order the tiny little pump on the whole assembly and drive yourself mad with frustration and lost time or just get the whole assembly which I highly recommend and install it in a couple of minutes and be done with it back t sipping a cup of coffee or a beer. All he connectors are different shaped so unless you failed shapes in kindergarten you should not get the mixed up as they will not fit any other way. Lift the pump out and you will have to turn it at an angle to allow for the fuel level arm. Make sure while you are at it your car has a separate filter there n the whole next to then it should have little sock type on the pump assembly. Now as most manuals say reverse the process. Be sure though before you put the seat back in have someone turn the key on and you should hear the fuel pump click and pump just for a second until line pressure is met. I hope covered every thing and t works out for you. Let me know if you got it going or if you Have any more questions. Peter

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1 Answer

Clicking comeing inside near passanger rear turn signal


That is one of the actuators in the rear HVAC unit. Sometimes the door that they drive gets stuck or the actuator itself goes bad. In the picture below #3 & #33 are the two actuators. Replacement of #3 is not an easy job.



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1 Answer

Why is there no power to third row seat?


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Apr 04, 2012 | 2005 Lincoln Navigator

1 Answer

2003 Navigator, the air or heat does not blow in rear section. All I hear is a clicking.


I assume your talking 3rd row seating A/C, Have the same car and had same problem. Unless you use 3rd row much, unplug it ( under passenger side wheel hump pocket ) this will stop the clicking and has no effect on A/C cooling front & middle row in Florida heat. There are actually 2 plugs, do both. Not the best, but the easiest & cheapest.
Ken

Jan 05, 2011 | 2003 Lincoln Navigator

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Does 2003 Ford Explorer have 3rd row seat


The third seat was an option on this model. Your model may or may not have the third seat. You should be able to tell by looking at the floor in the back. Ford may have included the rear cup holders on all models for ease of production.

Mar 10, 2010 | 2003 Ford Explorer

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Inside the cabin strong gas smell after fill up for approx 50 miles. 2003 Honda Odyssey 85k miles.


do you have the same fuel economy as before or does you gas last less miles than before. if you can smell gas whether the car is running or NOT that means you have a leak in your fuel system if it was not a leak, you would not smell it when not running . first thing is check under vehicle after overnight parking and see if there is fuel on the ground if there is , this will give you a starting point where to look for gas leak. Plugged, dirty or poorly connected fuel injector; Leaking fuel filter or fuel filter connections; Punctured or damaged fuel tank; Loose or poorly connected fuel pump; Gas in gas can in trunk.

Dec 14, 2009 | 2003 Honda Odyssey

1 Answer

My venture 2003 running smothly but 1 morning when started i heared something like a sound of fan between the 2 seat on 2nd row seat.. is there a problem with my car.. i never heared this before.. thanks


If you can hear it outside the vehicle in the area of the seats.Then it is probably your fuel pump making the noise.If it doen`t make the noise with the key on and engine not running then it is the fuel pump.It could go for a long time like this or it could go out at anytime.The one in my car lasted over a year but that doesn`t mean they all do.

Nov 24, 2009 | 2003 Chevrolet Venture Passanger

3 Answers

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Ford released a SSM (Special Service Message) stating that 2003-2004 Town Car, Grand Marquis and Crown Victoria models may exhibit code P1233 with possible drivability or no start symptoms. It suggests that before replacing a suspect FPDM, fuel pump relay, inertia switch, fuel pump sending unit or PCM, the following things should be checked: Check for a loose PCM pin fit issue. Check for a loose or faulty ground at G101, G103, and G400. Check the FPDM harness located behind the rear seat at the base of the C-pillar for chafed wires on the bracket and check for a circuit or connection issue with the Dark Green/Yellow (DG/YE) wire which runs between the FPDM and PCM pin 40 due to a poor crimp. If all of these items check to be ok, perform normal diagnostics for code P1233.

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1 Answer

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I believe there is actually an access panel in front of the second row seat behind the drivers seat that you can access the top of the tank, fuel pump and possibly the fuel filter. Lift up the carpeting and check.
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