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2000 pontiac 3.8 knock sensor tightening spec

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The knock sensor torque specification for the 3800 series II is 14 Ft-Lbs, or 168 In-Lbs. Hope this helps.

Posted on May 09, 2017


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Nathan, 2 Knock's are located under intake manifold.
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What is the Torque Spec for a Knock Sensor on a 1999 Chevrolet 1500 Silverado?

Save yourself some time and just tighten the sensor until it is tight and don't over tighten it but just turn it tight. Once it is in run the truck and make sure it is not leaking.

Jun 29, 2014 | 1999 Chevrolet Silverado 1500

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Need to know torque specs for head bolts on a 2002 pontiac sunfire 2.2

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First Tightening Pass --- 22 Ft. Lbs or 30 N.m
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Dec 23, 2010 | 2002 Pontiac Sunfire

1 Answer

I want to know where is the knock sensor is located on my 2000 ford focus se

It's under the intake manifold. Please let me know if you have more questions.
  1. Disconnect the battery ground cable.
  2. Remove the intake manifold.
  3. Remove the knock sensor (KS).
  4. Remove the retaining bolt.
  5. Remove the knock sensor.
  6. Installation is the reverse of the removal procedure. Tighten the sensor to 15 ft. lbs. (20 Nm).


Oct 28, 2010 | 2000 Ford Focus

1 Answer

Service soon light stays on.. had it checked at auto zone and came up with po327 knock sensor condition. Is this gona be an expensive car repair?

no, 30 minutes labor--you can do it yourself. part is $30. You have 2 of them. 327 is for bank 1, which is the back bank by the firewall. see picture below (the picture is bank 2, but location is same on other side).

To replace the knock sensor:
  • Disconnect the knock sensor wiring connector.
  • Then, unscrew the sensor.
  • Remove the knock sensor.
  • Reverse the procedures to install the part.
  • fed2730.gif
      A defective knock sensor may cause engine detonation or reduced spark advance and fuel economy. When a knock sensor is removed and replaced, the sensor must be tightened to its specified torque. If the knock sensor is installed tighter than it should be, it may become too sensitive and provide an excessively high voltage signal, resulting in more spark ****** than required. When the knock sensor is installed looser than it should be, the knock sensor signal will be lower than normal, resulting in engine detonation.

    Oct 12, 2010 | 1999 Pontiac Grand Am GT

    1 Answer

    How hard is it to replace knock sensor on 2000 outback

    Instructions Things You'll Need:
    • Metric combination wrench set
    • 3/8-inch drive ratchet wrench
    • 12 mm socket
    • Knock sensor
    1. Open the hood, and disconnect the battery negative cable with a wrench.
    2. Locate the black rubber air intake tube that runs from the air cleaner box to the throttle body on top of the engine.
    3. Loosen the clamp on the air intake tube at the throttle body with a wrench. Grasp the tube and pull it off the throttle body inlet, and move it out of the way.
    4. Locate the knock sensor. It's bolted to the engine near the throttle body. Remove the hold-down bolt attaching the knock sensor to the engine block, using a 3/8-inch drive ratchet wrench with a 12 mm socket attached.
    5. Follow the electrical lead of the knock sensor to its connector, and simultaneously lift the plastic tab with your hand while gently pulling apart the plug.
    6. Remove the knock sensor from the engine bay. Compare the old sensor to your new part to ensure they are identical.
    7. Reattach the knock sensor to the engine block by threading in the original holding bolt by hand. Snug the bolt with the ratchet wrench and 12 mm socket. Do not over-tighten the bolt.
    8. Plug the new knock sensor into the original electrical plug.
    9. Gently push the throttle body air intake tube onto the throttle body. Tighten the hose clamp with a wrench.
    10. Reconnect the battery's negative terminal with a wrench. Close the hood.
    11. Start your Subaru's engine. Take the car on a test-drive and verify that the spark knock has disappeared.

    Oct 11, 2010 | 2000 Subaru Outback

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    Code 300 and 330 on 2001 Pontiac Grand Am

    po330 is a bad knock sensor, the sensor will cause, sluggish engine, poor acceleration, poor fuel economy. the signal is sent to pcm and the timing is retarded to compensate for the severe detonition. on 4 cylinder models, the knock sensor is located on the rear firewall side of the engine block, below exhaust manifold.on v6 models , the sensor is located on the front radiator side of engine block above the oil filter.

    Nov 09, 2009 | 2001 Pontiac Grand Am SE

    1 Answer

    Where is the knock sensor driver side for 2001 pontiac grand prix

    Hello! Here is a picture of the location of the front knock sensor for a 3.8 liter V6 3800 Series II (97-03)
    (Please note that the engine is upside down on the stand)
    There are 2 knock sensors on this engine, one on the front (as shown), and another in the rear. There isn't one on the driver's side, per se.


    I recommend that you let the vehicle cool down before beginning this process. To remove this you will need a drip pan, as coolant will leak from the engine when the sensor is removed. You will need a deep well 22mm socket and torque wrench.

    1. Jack up and support the vehicle on jack stands so that you can work from underneath the vehicle. Be sure to apply your emergency brake.
    2. Identify the knock sensor location and remove the electrical connector on the bottom.
    3. Using the deep well socket, remove the sensor from the block. Do not position yourself direcly underneath this, as coolant will begin to flow immediately from the sensor's location.
    4. Your new knock sensor should come pre-coated with sealant/threadlock, just install it and tighten by hand until snug.
    5. Torque the sensor to 14 ft lbs.
    6. Replace the electrical connector.
    7. You should flush the entire coolant system to be sure to remove any air pockets, and then refill.

    Hope this helps and thanks for using FixYa!

    Oct 01, 2009 | 2001 Pontiac Grand Prix

    1 Answer

    Oil is leaking from a sensor that is near the oil filter the car is a 2000 pontiac grand am

    Tighten the sensor. Remove and clean the sealing area during your next oil change.

    Aug 17, 2009 | 2000 Pontiac Grand Am GT

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