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Where is a crankshaft sensor on a 1997 Chevrolet Lumina and what does it look like?
Hidden behind the harmonic balancer. You will need a puller to remove the balancer. It will be black, a couple of inches long, with a wire coming out of it. The frame of it is usually aluminum, and adjustable. You will need an alignment tool to adjust the sensor.
Why does your 91 Buick century idols high after replacing harmonic balancer?
sounds like you broke the crank sensor that is mounted right behind the balancer.
How do you remove the main screw from the harmonic balancer on a 1992 geo prizm?
An impact wrench is commonly used in cases like this. You can also use a chain wrench in conjunction with a socket & breaker bar.
The main flywheel off the crankshaft that runs the belts pulleys on your 1986 Buick Lesabre is vibrating causing a rattling clanking sound how do you resolve this?
sounds like the rubber damper is worn on the harmonic balancer. if this is the case you will have to replace the harmonic balancer.
Oil leak from harmonic balancer Chevrolet 350?
The oil leak is probably comming from the top of the oil pan there is a rubber gasket that goes between the oil pan and the water pumb which would make it look like its comming from the harmonic balancer, try replacing the oil pan gasket this should fix the problem. New answer: There is a small round oil seal / Harmonic balancer seal that fits in the timing cover and the balancer slides through the center of it. That is probley were your oil leak is. Most of the time the balancer itself gets a groove wore in it over time from that rubber seal running on it. You can repair the balancer by buying a Harmonic balancer repair sleeve/ speedy seal. Also replace the front timing cover seal.
Where are the timing marks on the cover of a Chevy 350?
The timing marks should be on the driver's side of the car down by the harmonic balancer on a small plate. theres usually a "pointer" on the drivers side. its attached with two of the front cover bolts. When you look down at your Harmonic balancer there should be something about it that you see that looks kinda like saw teeth with numbers in the gaps. The zero or line whichever year you have should be on the Harmonic balancer.
What would cause a harmonic balancer to shimmy on a 350 Chevy engine?
The balancer has a piece of rubber that holds it together, The balancer is made of two pieces with rubber in the middle, and the rubber is coming apart. REPLACE BALANCER. The Pulley that's bolted on the balancer may be bent or not on stright and flush on the balancer, That would make the balancer look like its wobbleing too.
What kind of noise does a bad harmonic balancer make?
it'll sound like a hollow tapping sound while rotating.
1995 mustang gt and it looks like it is leaking antifreeze from behind the harmonic balancer what can this be?
Most likely the water pump.
How do you take off a harmonic balancer off a 1991 Toyota Camry?
dude, i just tried this myself on a 1993 4cyl. Camry and went by all the step the repair manual says to do. seriously take my advice and just let a mechanic shop do it for you. if you do it yourself and try to get the bolt off the pulley, your going to just make the timing belt skip around in there and mess up the timing of the engine. i had the intake cam held down with a wrench like instructed to while trying to loosen the bolt on the pulley. that is when the gear just jumped the timing belt inside. You'll have to do so much more harder of stuff to get the whole engine in time again. its a hard fix because the bolt is lock-tighted down Alot! I'm having a mechanic come to my house today to fix the whole shabang and its gonna prob be a huge shabang on my wallet since i tried to do it myself! just having a mechanic do it for you shouldn't be over 200$ id imagine. I'd pay it in a heart beat! hope this helped! ----------- DO NOT attempt to loosen the harmonic balancer bolt by holding the camshaft. You will destroy the timing belt. You have to lock the flywheel with a pry bar or heavy screwdriver then loosen the harmonic balancer bolt. By now your fan belts should be off then get out your harmonic balance puller. DO NOT use a three jaw puller as you will destroy the harmonic balancer. You can rent a harmonic balancer puller at many auto parts stores or they are fairly inexpensive to buy.
1992 Buick Riviera crank sensor tests?
You need an oscilloscope. I use a vantage, it costs like $3K. now the crank sensor only cost like $40, but have to remove the harmonic balancer to change it. Now their is the delimna mechanics always face.
Changing a front oil seal on a 350?
This can be quite a job depending on the year of the vehicle. If it's an older vehicle things are a lot easier. Basically, you have to remove everything from the front of the engine so you can get at the harmonic balancer. If you are real lucky you may get by with just removing all the belts. On some vehicles you can get at the harmonic balancer from underneath the car or truck. One way or the other, you have to be able to get at the harmonic balancer. There is a 5/8" bolt in the middle of the balancer. Remove it and use a harmonic balancer puller to remove the balancer. At this point you can see the seal that the snout of the balancer went through. You need a seal removal tool to get the old seal out. Most rental places will have both the harmonic balancer puller and the seal removal tool if you don't. Get the old seal out. Now, take the new seal out of it's package and use a little motor oil on your finger to lube the rubber on the new seal. Put the new seal in using a hammer to tap it into place. This can be a little easier said than done sometimes. Use care not to damage the new seal. Try to get it lined up evenly and just tap it in a circular pattern to get it started. Once you have the new seal in... take a look at the snout of the harmonic balancer and make sure there is not a groove in it from the old seal. If there is one, head to your local auto parts store and grab a harmonic balancer repair sleeve. If all is well you need to use the balancer tool to put the balancer back on. Most balancer tools double as a remover and installer. Make sure you have the key on the crankshaft snout and the groove in the balancer lined up. Once you have the balancer back in place put the 5/8" bolt and washer back in. Use a torque wrench and tighten it to factory specs. If my memory serves me correctly it's 65 ft. lbs. on a chevy. But don't rely on my memory. Now just put everything back on the engine and you're back on the road. This may be a job for a mechanic if you have never done anything like this before. But, it's an expensive job. It's also a good learning experience to do it yourself and save several hundred bucks. The seal itself should be under $20.00 Take pictures of the front of the engine as you remove things. Better yet, get a buddy to video record as you go. It will be a big help when it comes to putting it back together. Also, label everything you can. It's usually a lot harder putting back together than it was taking apart. I would plan on making a weekend of it. Good luck, Guy
