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Where is the location of the knock sensor on a 1995 GMC Yukon 2Dr 4WD 5.7 V8?

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On the side of the engine block, passenger side, screws into block, hope this was very helpful.

Posted on Aug 27, 2010


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4X4 Indicator lights not working at all no flashing or anything. Checked fuses and they are good unless there is another I don't know about. Also will not go into 4WD Hi or Low stays in 2WD.

Step by Step Troubleshooting 4wd 4x4 88-98 Chevy GMC ...

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Step by Step Troubleshooting 4wd 4x4 88-98 Chevy GMC Truck ... flashing indicator lights and then would not shift from 2-4wd atall. .... 1997 2dr Tahoe in Nov and I've been having the same problems all winter. I was getting worried thinking I would have to pay a lot of money to get my 4WD working again.

Jan 03, 2016 | 1997 GMC Yukon

1 Answer

Took all the wires off distributor

1-8-4-3-6-5-7-2 is the firing order for a v8 chevy, look at the cap locate the number one on it, tunk the starter and note rotation, and wire accordingly... chevy is odd numbers on the drivers side 1-3-5-7 and evens on the passenger side 2-4-6-8

Aug 29, 2011 | 1995 GMC Yukon

2 Answers

How do i change the knock sensor on 2004 gmc yukon and where is it located

The person who stated they are under the intake manifold is a tool! They are located below the exhaust manifold(one on each side) and are quite simple to replace. Be sure not to overtighten them as they can become too sensitive and may cause detonation. Should be about 16 ftlbs but I would check to be sure. They run about 55 dollars each aftermarket and are about 85 from GM depending on where they are purchased from.

Sep 08, 2010 | 2004 GMC Yukon

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

Distributer cap firing order

For the 1997 GMC Yukon 5.7L V8:
2WD and 4WD are the same.

Firing Order:


Distributor Connections:

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at!

May 15, 2010 | 1997 GMC Yukon

2 Answers

Trying to find out where a knock sensor is located on a 2004 gmc yukon

There are 2 knock sensors on some of those, one screws into the block drain near the starter the other near the left exhaust manifold.

Jan 24, 2010 | 2004 GMC Yukon

1 Answer

The location of the 02 sensoron 1999 gmc yukon sle

1999 GMC Truck Yukon 4WD 5.7L SFI 8cyl
The Oxygen Sensor is located under vehicle, passenger side, below seating area, rear of catalytic converter, mounted in driver side exhaust pipe.

Application: With dual catalytic converter
Number two

Hope helped (remember rated this help) Good luck.

Dec 09, 2009 | 1999 GMC Yukon

1 Answer

1995 GMC YUKON 5.7 v8 2dr my oil gfauge when idling goes below 40psi were it the oil sending switch located or is it some else like the oil pump and how doi i test the pump to see oif it going bad...

the sending switch is on the back upper side of the engine behind the intake. about the size of a shotgun shell. they sell a kit or you might find someone to loan you one to srew into where the sender goes. start the vehicle and monitor pressure

Nov 13, 2009 | 1995 GMC Yukon

1 Answer

2003 GMC Yukon

You will have to remove the intake manifold to gain access to the knock sensors. There are two sensors in the valley under rubber plugs. The sensor in the rear has a tendency to fill up with water and cause trouble. You have to make a dam with RTV to stop the water from getting in there.

Sep 06, 2008 | 2003 GMC Yukon

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