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AC Comp torque spec? Anyone??
Anyone know the torque spec for the AC compressor to the compressor bracket on an 86 model? Also, the compressor bracket to the engine bracket?
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Thank you, HFR_Racer '87 930, 3.3 liter, K27 hybrid, Kokeln IC, Andial, B&B, Borla, 17" Supercups. Last edited by HFR_Racer; 01-17-2006 at 04:20 PM.. |
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01-13-2006, 04:00 AM
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Does the Haynes or Bentley manual have this torque spec? I checked Waynes engine book already.
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Thank you, HFR_Racer '87 930, 3.3 liter, K27 hybrid, Kokeln IC, Andial, B&B, Borla, 17" Supercups. |
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01-13-2006, 08:10 AM
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Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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Probably not in those manuals. What size (8mm?) and strength class (8.8? - should be marked on the head) are the screws? Do they screw into aluminum or into steeel or a steel nut? Are the screws plated?
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01-13-2006, 10:38 AM
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These are 8mm course thread, bolts that travel throught the aluminum compressor housing into an aluminum bracket. The bolts appear to be di-chromate plated. I'm at 20 ft-lb now.
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Thank you, HFR_Racer '87 930, 3.3 liter, K27 hybrid, Kokeln IC, Andial, B&B, Borla, 17" Supercups. |
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01-14-2006, 11:44 AM
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bump..
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Thank you, HFR_Racer '87 930, 3.3 liter, K27 hybrid, Kokeln IC, Andial, B&B, Borla, 17" Supercups. |
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01-17-2006, 04:19 PM
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just a twisted suggestion....
Inspect the the 8mm dia vertical mount bolts for zinc oxide build up (white), if noticeable lightly wire wheel the threads (they tend to bind) and coat lightly with anti-seize compound (be cautious of your choice). optional torque spec for this application ..... when in doubt: assuming you are threading into aluminum without inserts as opposed to steel, the 20 ft. lbs. nominal was not too are off (allowances for lubricant type ignored for the moment), you "can usually" feel (provided you are not binding) when they start to striiiippppp! On the 10mm dia.'s if you are going into steel you can go up to 30 ft lbs. When all else fails, scream "who stole my Machinery's Handbook, 27th Edition" ? Available at a great price here: http://www.amazon.com/gp/product/0831127007/ref=pd_sl_aw_alx-jeb-9-1_book_5406959_14/104-0711734-5665537?n=283155 Lots of resources on the net: http://www.engineersedge.com/fastener_thread_menu.shtml |
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01-17-2006, 05:15 PM
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