Question about Chevrolet Silverado 1500

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Removed the old knock sensor but ,it was cracked and the bolt broke off inside my engine been trying to drill it out with no luck already broke about 6 bits and 3 extracter bits trying a helicoil but unsure how far to drill and what kind of bit to use? That wont break. e-mail is

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Sears sells a kit that is a left handed drill bit(s) with left handed extractors and it is harder steel - use them all the time - runs about $90 for the kit

Posted on Mar 27, 2011


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I had to change my alternator on my 1995 f150 with a straight 6 4.9l. when i took the old one off i turned one bolt a centimeter and it broke i couldnt get the ac compressor off cuz its bolted to the...

Use 6-point wrenches or sockets to eliminate slip. From your post:

"i went to go drill the bolt out i got it drilled out but i was putting a new bolt in the alternator bracket cracked so i need to know how i can get the ac compressor off..."

I cannot tell whether the bolt cracked or the bracket cracked from your post above.

Do you have any kind of small cut off wheel?

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How do you remove a broken bolt on the timimg belt tensioner pulley for a 2001 300m crysler

!st remove the tensioner if it is still bolted in place by second bolt. Easy outs are high tensile you will not drill through it. You may have to carefully try to chisel it out. If you can get it out try a left handed drill bit if you have room to drill. If it won't come you will probably have to re drill & tap a new thread & use oversize bolt

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My alternator bolt broke that hold it to the engine what do i do

remove the alternator and if there is enough of the bolt take a pair of vise grips lock them down tight and remove bolt, if it is a clean break you have a few options:

1) get a set of easy outs, drill a hole and use an easy out to exact broken bolt

2) get an oversize self tapping bolt (a size bigger then the bolt that broke off, drill the bolt out completely and then tap the new bolt

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May 22, 2011 | 2001 Oldsmobile Aurora

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The pinch bolt holding the spindle to the strut in rear broke off half of the bolt still in there, now it makes a horrible clanging noise when driving, how do i get the bolt out or what do i do?

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I broke the crankshaft bolt what do i do?

ok witch bolt is it. On most tuff bolts that I break trying to remove or install I use a left hand drill bit and then if that does not catch and remove I use an easy out but let it soak for a while with some WD-40 first

Dec 17, 2010 | Chevrolet Impala Cars & Trucks

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How hard is it to replace knock sensor on 2000 outback

Instructions Things You'll Need:
  • Metric combination wrench set
  • 3/8-inch drive ratchet wrench
  • 12 mm socket
  • Knock sensor
  1. Open the hood, and disconnect the battery negative cable with a wrench.
  2. Locate the black rubber air intake tube that runs from the air cleaner box to the throttle body on top of the engine.
  3. Loosen the clamp on the air intake tube at the throttle body with a wrench. Grasp the tube and pull it off the throttle body inlet, and move it out of the way.
  4. Locate the knock sensor. It's bolted to the engine near the throttle body. Remove the hold-down bolt attaching the knock sensor to the engine block, using a 3/8-inch drive ratchet wrench with a 12 mm socket attached.
  5. Follow the electrical lead of the knock sensor to its connector, and simultaneously lift the plastic tab with your hand while gently pulling apart the plug.
  6. Remove the knock sensor from the engine bay. Compare the old sensor to your new part to ensure they are identical.
  7. Reattach the knock sensor to the engine block by threading in the original holding bolt by hand. Snug the bolt with the ratchet wrench and 12 mm socket. Do not over-tighten the bolt.
  8. Plug the new knock sensor into the original electrical plug.
  9. Gently push the throttle body air intake tube onto the throttle body. Tighten the hose clamp with a wrench.
  10. Reconnect the battery's negative terminal with a wrench. Close the hood.
  11. Start your Subaru's engine. Take the car on a test-drive and verify that the spark knock has disappeared.

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Bolt broke off inside side mount battery. how do i get it out

Go to the parts store & get a bolt/screw extractor.

It works by first drilling a small hole into the bolt you broke, then you screw the extracter, counter-clockwise into the bolt & it will back it out. Soak the broken bolt with lubricant/wd40 before trying to extract. Don't drill more than the depth of the bolt.

good luck.

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I have a 93 crand caravan the water pump went out and in the process of changing it bolts broke how can i fix it?

If the bolts broke off inside the engine block they must be extracted, buy a easy out set of bolt extractors choose the appropriate size drill to use in relation to the broken bolt to be removed then dril a hole through the old broken off peice remaining inside the bock take the easy out extrctor and push it into the drilled hole then tap it into the hole firmly proceed to tur n the extractor counter clockwise to remove the broken off peice. whatever you do don't use an extractor that is too large it may not work you can always go up on the size later.

Dec 15, 2009 | 1992 Dodge Grand Caravan

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I broke one of the bolts to the thermistat housing, tried to drill it out and screw out with an extractor, but unsuccessful, any ideas? What is the larger part that the thermistat housing bolts on to, I...

True using extractors is sometimes more complicated than bringning it to the machine shop, but the most logical since there is no drill press at hand. But you do not need to retap, just tell the machinist to remove the bolt and use an insert with inside and outside thread already so the casing will not be damage.

Nov 29, 2009 | 1994 Toyota Pickup

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