How do you replace a knock sensor on a Chevy Silverado?

In addition to replacing the knock sensor, preventative maintenance can further reduce detonation. Always disconnect the negative battery terminal (black cover) when working under the hood. Remove the intake hose by loosening the hose clamp on each end: one by the MAF and the other by the throttle body.

Where are the knock sensors on my car?

Testing the knock sensors can seem quite the challenge, since they’re located under the intake manifold. But you can test them without removing the intake manifold and with just a simple multimeter. In this tutorial I’ll show you how. You’ll be able to easily find out if one or both knock sensors are bad or not. Symptoms Of A Bad Knock Sensor.

What should the resistance of a knock sensor be?

You should see a resistance value between 93 to 107 K Ohms on your multimeter. CASE 1: The resistance of knock sensor 1 is within the indicated range. This is the correct test result and it lets you know that knock sensor 1 is good. You can also conclude that there are no wiring problems with the knock sensors jumper wiring harness.

What does the p0332 knock sensor code mean?

P0332 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra). When the knock sensor fails, the fuel injection computer will light up the check engine light with one (or both) of the following trouble codes: P0327 Knock Sensor No. 1 Circuit Problem.

Where is the knock sensor on a Chevy 6.0?

In Chevy 6.0 engines the knock sensor sits underneath the intake manifold in the lifter section. The sensor is responsible for measuring engine vibrations and detecting if there are any unusual vibrations, aka if any “engine knock” is occurring. Engine knock happens when a gasoline burns unevenly in a cylinder.

Why does my Vortec 6000 make a knocking noise?

If you get a check engine light and codes for engine knock on your 6.0L vortec, it could be actual engine knock. However, if you do not hear any knocking noises but do have a CEL, you likely have a bad knock sensor. On the 6.0 engine, the knock sensor has a pretty crappy sealant on it which can cause water to enter the sensor.

Can a bad knock sensor cause engine damage?

A bad knock sensor can cause some serious engine damage. Before that happens, check out this handy guide on replacing knock sensors in your Silverado. This article applies to the Chevrolet Silverado GMT800 (1999-2006).

Is there a way to bypass the knock sensor?

If you ever need to bypass your knock sensors, the most direct way of doing so is to simply disconnect them. Pull your hood latch. Open your hood. Place your socket set over the bolt holding your negative battery cable. Turn the socket to the left to loosen the bolt. Slip the cable off. Find the knock sensor on your car, truck or SUV.

What kind of sensor does a Chevy Silverado have?

You can find this tutorial in Spanish here: Cómo Probar Los Sensores De Detonación (1999-2006 V8 Silverado, Sierra, Suburban, Tahoe, Yukon) (at: autotecnico-online.com ). P0327 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra).

Where are the knock sensors on a V8?

RESISTANCE SPECIFICATION: The resistance specification of knock sensor 1 is 93 to 107 K Ohms. Place your multimeter in Ohms mode. Disconnect the knock sensors jumper wiring harness . The knock sensors jumper wiring harness is located on the left side (driver side) of the intake manifold. See photo above.

What is the labor cost to replace knock sensor?

Based on these factors, the costs to replace a knock sensor professional can range anywhere from $175 to $500 . Labor tends to be in the $125 to $300 range, whereas parts, again, highly dependent upon the car you drive, can range anywhere from $30 to $80+

Do you have to replace your knock sensor?

Typically, the knock sensor is mounted on the engine block or cylinder head. Some engines have more than one sensor. The only way to fix a bad knock sensor is to replace it . You or your mechanic should test the sensor before declaring that it’s the problem.

How much to replace knock sensor please?

The good news is that it won’t cost you an arm and a leg to replace a bad knock sensor. If you have a standard economy vehicle, you can expect to pay anywhere from $120 to $500 for replacing your knock sensor. The parts cost will be anywhere from $65 to $200, while the labor costs will be anywhere from $50 to $350.

Can You unplug the knock sensor?

The knock sensor is mounted on front of your engine, near the fuel injector. On some vehicles you may have to remove hoses or the air box cover to access your knock sensor. Unplug the wiring harness from your vehicle’s knock sensor once you have found it.

Where is the jumper for the knock sensors?

Below are the circuit descriptions of the 2 wires of the knock sensors jumper wiring harness. The knock sensors jumper wiring harness connector is located on the left side (driver side) of the intake manifold. See photo 2 of 2 in the image viewer above.

Are there any knock sensor problems on GM trucks?

Knock Sensor Problems on GM Vehicles. Knock sensor problems are common on 1999-2007 Chevy Silverado, Express Van, Tahoe and Suburban trucks. Of course, this means that the GMC Sierra and Yukon of the same years have the same issues.

What should I do if I have a knock sensor problem?

Of course you should replace the intake manifold gasket and clean all of the parts. If your LS V-8 powered General Motors Corp. car or truck needs a new knock sensor and wiring harness then it probably needs the throttle body and IAC valve cleaned as well.