Question about 2005 Chrysler Pacifica

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Do I have to remove both manifolds to get to the Knock sensor on a Pacifica 2007 4.0L engine. If so, how many seals are there and do I have to be specific on the torque

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Only upper
sequence is throttle body is towards the 6 and 5
6248
5317 torque to 105 inch lbs.
some upper gaskets are reusable if you don't break or mess them up but for the cost i would change them anyways.DON"T BREAK THE VACUUM NIPPLE!!! it happens with ease.

Posted on Jul 13, 2010

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Posted on Jan 02, 2017

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Knock sensor for 2007 Saturn outlook. I can't pass emissions test!


Check engine light on ? What code ? There are many different (DTC'S) - diagnostic trouble codes that can set for knock sensors ! There all don't mean that you replace the sensor .
DTC P0324: Knock Sensor (KS) Module Performance
DTC P0325: Knock Sensor (KS) Circuit Bank 1
DTC P0326: Knock Sensor (KS) Performance
DTC P0327: Knock Sensor (KS) Circuit Low Bank 1
DTC P0328: Knock Sensor (KS) Circuit High Bank 1
DTC P0330: Knock Sensor (KS) Circuit Bank 2
DTC P0332: Knock Sensor (KS) Circuit Low Bank 2
DTC P0333: Knock Sensor (KS) Circuit High Bank 2

The knock sensor (KS) system enables the control module to control the ignition timing for the best possible performance while protecting the engine from potentially damaging levels of detonation. The sensors are located below each cylinder head on the engine block. The KS produces an AC voltage signal that varies depending on the vibration level during engine operation. The control module adjusts the spark timing based on the amplitude and the frequency of the KS signal. The control module receives the KS signal through 2 isolated signal circuits. The control module learns a minimum KS noise level at idle and uses calibrated values for the rest of the RPM range. The control module should monitor a normal KS signal within the noise channel.
Knock Sensor Replacement - Bank 1
Remove the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement.
Disconnect the engine wiring harness electrical connector (1) from the bank 1 knock sensor (2).
Loosen the knock sensor bolt and remove the knock sensor.
Knock Sensor Replacement - Bank 2
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement .
Lower the vehicle.
Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).
Loosen the knock sensor bolt and remove the knock sensor.

Nov 12, 2016 | Saturn Cars & Trucks

2 Answers

Knock sensor diagram


On the 2.4 liter four-cylinder engine it is located on the siie of the engine block (the side nearest the firewall).

On the 3.0 Liter V-6 engine there are 2 knock sensors and the are located in the "valley" below the intake manifold. You'll have to remove the intake manifold to get to them.

Jul 22, 2014 | 2003 Toyota Camry

1 Answer

Were is the knock sensor on 2002 protege5 2.0L


The knock sensor is located under the intake manifold to replace do the following
Disconnect the negative battery cable.
Remove the intake manifold.
Disconnect the sensor connector.
Remove the sensor from the engine block.
Installation is the reverse of the removal procedure

Sep 28, 2012 | 2002 Mazda Protege

1 Answer

Where is the knock sensor


On a 4.8L 5.3L and 6.0L there are 2 Knock sensors. they are under the Intake manifold. The Intake Manifold has to be removed to replace either or both of the Knock sensors. The Knock sensors on this motor thread into the top of the Engine
On a 4.3L the Knock sensor is at the rear of the engine on the drivers side next to and under the Distributor. It it held on to the engine by a bolt that runs through the middle of the Knock sensor.

Jan 10, 2012 | 2005 Chevrolet Silverado

1 Answer

Need to know how to install knock sensors and where they are need diagram. 2005 expedition 5.4 engine


Hello adamjerkins,

It is somewhat complicated to change the knock sensors. There are two of them and they are located under the intake manifold. The intake manifold must be removed. I would recommend tha you replace both while you have the engine apart.

What leads you to believe the knock sensors are bad, I've seen few bad knock sensors? The knock sensor issues more times than not have been caused by other problems.

After you remove the intake manifold disconnect the knock sensor connectors. Remove the bolts and the two knock sensors then replace with new knock sensors tighten the bolts to 15 foot pounds. Reinstall manifold. The total job for an experienced mechanic with tools is about 5 hours. Not a good job for a beginner.


Regards,
netvan

Mar 05, 2011 | 2005 Ford Expedition

1 Answer

How do I replace a knock sensor for a 1992 toyota camry v6 le


First, I would like to mention that most knock sensor codes are not caused by the knock sensors, but a mechanical problem with the engine. The knock sensors cannot differentiate between noises caused by mechanical problems like a bad pulley bearing, bad motor mount, noisy alternator bearings, etc. and spark knock. knock sensor codes are set when the computer has retarded the timing as far as possible to compensate for ignition ping (Spark Knock) and the noise still exists.

With that said, here are the instructions.

Remove the Intake Chamber assembly.
Disconnect Injector connectors.
Disconnect the heater hose from the Intake Manifold.
Remove the 9 bolts. 2 nuts, 2 plate washers and Intake Manifold assembly.
Remove right hand engine mounting stay and water outlet.
Disconnect the following hoses and connectors:
Radiator inlet hose.
Engine coolant reservoir hose.
Engine Coolant Temperature Sensor connector.
Engine Coolant Temperature Switch connector.
Ground strap connector.

Remove the 3 bolts and right hand mounting stay.
Remove the wire band.
Disconnect the water bypass hose from the inlet housing.
Remove the 2 bolts, 2 nuts, 2 plate washers and water outlet.
Remove the 2 gaskets.
Disconnect the Knock Sensor connectors.
Remove the Knock Sensors.



Dec 02, 2010 | 1992 Toyota Camry V6

2 Answers

How to repalce a knock sensor on my 2004 gmc yukon


Hi welcom to fixya. 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.
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.
  • 15 ft.lbs.torque
  • hope this helps.Thank You for using fixya..iluv2fish.. Ray..

Jul 09, 2010 | 2004 GMC Yukon

1 Answer

How do I replace the Knock Sensors on a 2002 GMC Sierra 2500HD 6.0L V8 Gas engine? How do I change the serpentine and AC belts? Last but not least how to replace the drivers front differential seal?


remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley hope this helps u might wnat to google knock sensor so u knoe what it looks like

Feb 19, 2010 | 2002 GMC Sierra 2500HD

4 Answers

Where is knock sensor located on 2001 silverado 6000 engine


Under the intake manifold. Make sure you get the harness for the knock sensors. and clean out all of the rust and junk you're going to find donw in the holes before and after you replace the sensors.

Nov 01, 2009 | 2005 Chevrolet Silverado

1 Answer

How to replace knock senor switch on 2002 mazda protege 5



Removal & Installation

  1. Disconnect the negative battery cable.
  2. Remove the intake manifold.
  3. Disconnect the sensor connector.
  4. Remove the sensor from the engine block.
  5. Installation is the reverse of the removal procedure.

    0900c1528019fa95.jpg enlarge_icon.gifenlarge_tooltip.gif Fig. Knock sensor removal and installation-Mazda 3

  1. Disconnect the negative battery cable.
  2. Remove the intake manifold bracket.
  3. Disconnect the sensor connector.
  4. Remove the sensor from the engine block using special tool 49H018001 or equivalent.
  5. Installation is the reverse of the removal procedure.

    0900c1528019fa96.jpg enlarge_icon.gifenlarge_tooltip.gif GL G

May 09, 2009 | 2002 Mazda Protege

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