I took off the plate and have been searching for it on top and bottom but am not sure where it is. A little hard to get to but seem to be do-able. Locate the knock sensor and tap on an engine location near the sensor do not directly strike the sensor. More details: A knock sensor allows the engine to run with the ignition timing asfar advanced as possible. You can see a picture of one at the bottom of this page.
You can stop over there to look for additional support articles for common car problems. Passenger's side is attached to the Y pipe almost immediately downstream of the flange that connects the Y pipe to … the Manifold. Then the water starts to get in and work its magic causing a corroded, intermittent or poor connection. However, before assuming a worst case scenario with your transmission, always be sure to check the transmission fluid levels. Cause you can see that replacing it is a royal pain in the neck. If it is a 6 cylinder than number one is on the side closest to the radiator, and at the back of the engine near the exhaust crossover. With that said, ultimately the level of difficulty will depend on the skill level of the person performing it.
All you need to do is take off the 3 bolts on the top of the heat shield and pull it back a bit and it will be right there. Not sure which Chevy Knock Sensor to buy? There two hoses on the back with c-clips that are very hard to get to. The replacement harness comes complete with new connectors and boots. I guess the question is is there a knock sensor available that has a smaller attachment bolt and the single wire or do I need to drill and tap to accomadate the older larger sensor? Wiring and plugin to them give a lot of problems. The difficulty of the repair really revolves around the removal of the intake manifold. It is round and black, a little larger in diameter than a quarter.
Posted on Sep 09, 2011 On my 1997 Silverado C1500, it is accessible on the drivers side, follow the fuel rail down behind the engine and you can see it near where the head and block meet. Also put in the mix, a possible broken fly wheel. In fact, if you have a 4. If the sensor detects pinging cylinder knock caused by pre-detonation , it tells the computer to adjust the ignition timing to reduce or eliminate pinging. I am assuming the harness for the knock sensor is the one that runs next along the base of the oil cap next to the O2 sensor harnesses.
Also, beware of certain things on the Internet that suggest moving and placing the sensor in a new place on the engine. This location can collect water over time under the right circumstances. On my 1995 they are both identical. It's not to bad of a job. Not only is it nice to understand things that cause you a problem, but I think it will help you understand why you should not ignore it. You can also visit to discover what else is available here.
Image Zoom Link: Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer. You should drain some of the coolant from the block, as this made it not so messy. I did it by kneeling on the radaitor and leaning up over the engine with my forhead resting on the wiper cowl. You should see a reading of about 12 volts indicating a good ground. I took off the plate and have been searching for it on top and bottom but am not sure where it is. Our online parts catalog uses real-time inventory, so you can be assured the parts you buy are in stock at the time of ordering. This can compensate for low octane fuel or tank full of bad stuff from an unscrupulous gas station.
Posted on Sep 09, 2011 On my 1997 Silverado C1500, it is accessible on the drivers side, follow the fuel rail down behind the engine and you can see it near where the head and block meet. And i'm not sure i like that adapter either. The reason for this is the sensor generates its own voltage and is case grounded. There's also an easy diagnostic test to see if it really is the sensor or if it is a grounding issue or something else. I'm doing an engine swap for my son and got a junkyard motor. The computer will continue to advance thetiming until the knock sensor detects ping … ing. It is located under the intake manifold, bolted to the middle of the engine block.
As far as location I only posted what I found, havent replaced too many of them! Hope this helps and good luck with your problem. The number 1 sensor is going to be the one screwed into the exhaust manifold just outside the cylinder head. It runs great with no check engine light now my back is hurting. I get the same code once in a blue moon, but when i erase the code it usually wont come back for a couple of years. The replacement clip is only five dollars, but finding one can be difficult in some areas. Let me just say this procedure is a long process, get ready. Came away with three deep cuts and a lot of my blood remaining on the top of the engine.