Question about 2002 Honda CR-V

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Loud medium pitched humming sound when I start the engine

Honda service man told me its ac trouble.independent service center told me its auto tensioner.which is which?

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Always go with the honda service tech for they are trained in ut specific car models.. they both can be right though... the noise may be from ur auto tensionor and or ur a/c compressor..those models have problems with the a/c clutch pulley bold breaking off and have problems with the a/c compressors blowing up

Posted on Apr 05, 2009

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Can i bypass the ac compressor with a new tensioner and belt but leave the ac compressor in place or will it be in the way ?


If your willing to go through the trouble of adding another tensioner or finding a different belt size why not try removing the electro-magnetic clutch that engages the A/C compressor, i know there is a tool designed for easily doing this... alternatively, if noise made by the compressor pulley is your issue you can service the pulley without replacing the A/C compressor... I had similar issues with my vehicle and didnt want to sink the money into a new compressor or have to pay to have my A/C recharged. I got my information from http://autoabsolute.ca they have an expert help section where you can communicate one on one with a professional. they sent me a detailed tutorial with photos and a video, it even included multiple methods of accomplishing my goal. I had no problem with there help and actually spent ZERO dollars. Auto Absolute Home Page

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Where is the tensioner adjustment for the serpentine drive belt for the alternator?


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How can i remove timing belt on 2005 kia sedona



Removal & Installation

3.5L Engine

  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Record the radio anti theft code data.
  3. Remove or disconnect the following:

    Negative battery cable Engine cover Accessory drive belts Idler pulley Crankshaft pulley Power steering pump pulley Belt tensioner pulley Upper and lower timing belt covers
  4. Support the engine with a floor jack and remove the engine mount.
  5. Rotate the engine to align the camshaft sprocket timing marks with the cylinder head cover timing marks.

    0996b43f8022cb71.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Timing belt routing and timing marks-3.5L Engine

  6. Remove or disconnect the following:

    Auto tensioner Timing belt

    0996b43f8022cb72.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Timing belt and related components-3.5L Engine


To install:
  1. Ensure that the engine is set to Top Dead Center (TDC).
  2. Prepare the auto tensioner for installation by compressing it in a vise and installing a retaining pin.
  3. Install the timing belt in the following order:
    1. Crankshaft sprocket
    2. Idler pulley
    3. Left bank exhaust camshaft sprocket
    4. Left bank intake camshaft sprocket
    5. Water pump pulley
    6. Right bank intake camshaft sprocket
    7. Right bank exhaust camshaft sprocket
    8. Tensioner pulley

  4. Install the auto tensioner. Do not remove the retaining pin at this time.
  5. Check that the crankshaft and camshaft timing marks are aligned correctly.
  6. Rotate the crankshaft 1 / 4 turn Counterclockwise .
  7. Rotate the crankshaft 1 / 4 turn Clockwise to return the engine to TDC.
  8. Loosen the tensioner pulley center bolt.
  9. Apply 44 inch lbs. (5 Nm) torque to the tensioner pulley as shown and tighten the center bolt to 32-41 ft. lbs. (43-55 Nm).

    0996b43f8022cb73.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Adjusting the tensioner pulley-3.5L Engine

  10. Remove the auto tensioner retaining pin.
  11. Rotate the crankshaft 2 revolutions Clockwise , then wait 5 minutes for the auto tensioner to adjust.
  12. Measure the auto tensioner rod as shown. If the measurement is not 3.8-4.5 mm, then repeat the belt tensioning procedure.

    0996b43f8022cb74.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Measuring the auto tensioner rod-3.5L Engine

  13. When the auto tensioner measurement is correct, install or connect the following:

    Engine mount Upper and lower timing belt covers Belt tensioner pulley Power steering pump pulley Crankshaft pulley Idler pulley Accessory drive belts Engine cover Negative battery cable
  14. Reprogram the radio anti theft codes

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1 Answer

My honda civic 2003 instrument panel sometimes is not working honda service center already changed the speed sensor and the IC of the instrument panel also changed bu after 1 week same problem again.


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1 Answer

My service engine soon lght is on in my 2004 chevy trailblazer LT. i went to take the care through marta this morning so i can renew my tags for my car. the man told me that the trouble sensors are P0014...


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1 Answer

How do i loosen the auto tensioner on my 02 civic si


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  1. Place a long-handled, boxed-end wrench or a belt tension release tool (A) on the drive belt auto-tensioner from above the engine. Slowly turn the wrench in the direction shown to release the tension, then remove the drive belt.
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  2. Install the new belt in the reverse order of removal.
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Fig. Removing the serpentine belt-2006 Civic with 2.0L engine shown

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Fig. Move the auto tensioner (A) to remove the serpentine belt (B)-S2000

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Fig. Move the auto-tensioner (A) using the belt tension release tool to relieve tension from the drive belt (B), and remove the drive belt-Accord with 2.4L engine

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Fig. Move the auto-tensioner (A) using the belt tension release tool to relieve tension from the drive belt (B), then remove the drive belt-Accord with 3.0L engine

I hope helps with this. Good luck.

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1 Answer

Having trouble finding the tensioner for the ac belt any ideas


You didn't say if you were trying to locate it to replace the serpentine belt or the tensioner itself.

The tensioner is on the left side of the engine as you face it from the front. There should be a diagram under the hood on a sticker showing the belt routing. A 3/8" square drive is required to release the tension. There is a special tool for this that you may be able to borrow (rent) from your local auto parts store.

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