LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Which bolts for accesory bracket??

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Old Jun 23, 2005 | 11:25 PM
  #1  
Silvershark's Avatar
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Which bolts for accesory bracket??

Are the bolts that attach the accessory bracket to the heads the same size? I was able to get the one in, upper right hand corner. However the other bolt seems too long.

If someone could give me a rundown of what bolts go where in this picture I would appreciate it!

IE: size and location

http://shbox.com/1/accy_brkt.jpg

I measured the bolt sizes that I am using with my tape and they are as follows.

1. 3 bolts at 1 3/8" thread length total bolt size = 1 5/8"
2. 1 bolt at 2 1/2" thread length, total bolt size = 2 3/4"
3. 1 bolt at 1" thread length, total bolt size = 3 1/4"
4. 2 bolts at 1" thread length, total bolt size = 1 1/4" I believe these are the Power steering bolts.
5. 1 bolt at 1 1/8" thread length, total bolt size = 2 1/8"

Last edited by Silvershark; Jun 23, 2005 at 11:32 PM.
Old Jun 24, 2005 | 12:04 AM
  #2  
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Re: Which bolts for accesory bracket??

The bracket is held by a total of 4 bolts all of them are 3/8-16 thread and are black. The top ones on the passenger side head are about 1" with full thread. The other 2 that attach the bracket to the block, the longer one holds the wires bracket and the shorter one goes behind the tesioner. Power steering bolts have a 10 mm hex head with M8 thread.
The other bolts are for the alternator, the shorter ones maybe the same length as the bracket bolts to the head but they are white (galvanized).
Old Jun 24, 2005 | 12:11 AM
  #3  
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Re: Which bolts for accesory bracket??

Ok, I found the power steering pump bolts, and the accesory mounting bolts to head. I think I found the 3 to the A/C compressor, if they are roughly 1 3/4" bolts. So I just need the two to the block. I am guessing they are longer than 2" because I measured the accesory bracket where they go in and its roughly 2 inches.

I also have the alternator bolts.

Last edited by Silvershark; Jun 24, 2005 at 12:16 AM.
Old Jun 24, 2005 | 12:07 PM
  #4  
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Re: Which bolts for accesory bracket??

If anyone can give me an update on the two bolts that bolt into the block I would appreciate it.
Old Jun 25, 2005 | 04:47 AM
  #5  
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Re: Which bolts for accesory bracket??

From your list, #2 which is 2.5" is the one that goes behind the alternator ( to the lowest point) and the longer one which is 3.25" holds the middle of the accessory bracket and holds the small plug wires bracket.
Old Jun 25, 2005 | 04:26 PM
  #6  
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Re: Which bolts for accesory bracket??

Thanks, I got them all figured out except the AC Compressor/Condensor pulley bolts.
Old Jul 21, 2005 | 07:48 PM
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Re: Which bolts for accesory bracket??

i have a similar problem...i have the two bolts that bolt to the head but have lost the two that bolt to the block...i need to know what size and how long by saturday...any help would be much appreciated

thanks
bubba
Old Jan 21, 2007 | 08:14 PM
  #8  
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Anyone figure out the size for the power steering pump bolts?

NVM, M8 x 1.25"

Last edited by seawolf06; Jan 21, 2007 at 08:39 PM.
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