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Registered
Join Date: Mar 2004
Posts: 20
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Turbo Drive Shaft Bolts
I have had a problem with drive shaft Bolts backing out at the transmission flange. The parts diagram for the 930 does not show a lock washer in use. The 911 uses lock washers. Anyone know if I should use the lock washers or a loctite product? I have been torqueing them as much as possible using a regular hex key socket with a standard handle.
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09-12-2007, 02:33 PM
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Join Date: Jun 2006
Location: Ballston Spa, NY
Posts: 528
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Blue loctite will suit just fine for those. Just be sure the threaded holes in the drive flanges are dry(no oil/grease/debris) for the thread locker to properly bite. Brakleen works great for that
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Adam Hennessy |
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09-12-2007, 02:57 PM
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A fellow Pelacanite
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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09-13-2007, 02:00 AM
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Forced Induction Junkie
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Highly recommend you torque them to the factory spec. I have never had a problem of them loosening when torqued to spec and tightening bolts using a star tightening sequence. Also, inspect the threads of all the bolts, if damaged replace.
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Dave '85 930 Factory Special Wishes Flachbau Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P |
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09-13-2007, 07:30 AM
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Join Date: Oct 2003
Location: Mount Pleasant, South Carolina
Posts: 14,220
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+1.
You can't do it by hand. You really need that torque wrench and go to 60 ft lbs I think it is. I've never used the schnor (sp?) wahers or loctite and have not had a problem with lots of track use. Quote:
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09-13-2007, 06:38 PM
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Registered
Join Date: Jun 2001
Location: Sweden
Posts: 5,911
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Use Nordlock washers and clean the threads with brake cleaner prior to installation.
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Thank you for your time, |
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09-14-2007, 06:26 AM
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Moderator
Join Date: Aug 2002
Location: OverlandPark KS (Kansas City)
Posts: 526
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Clean the threads as suggested and use a TQ wrench!. I have never had to use loctite nor washers and never had one back out. Now I will tell you that on cars we build for purpose such as track only we actually drill the heads and safety wire them.
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Stephen 94 3.6Turbo 6-speed AWD |
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09-14-2007, 06:31 AM
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Join Date: Mar 2004
Posts: 20
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Thank you all for the suggestions.
Thanks everyone for the advice. I realize I probably did not have them torqued enough after my engine install. It was my first time pulling and installing on my own. If they start to loosen again I will go with the lockwashers or loctite.
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09-14-2007, 02:27 PM
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A fellow Pelacanite
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I should have added also that I have never had any come loose & I don't use any loctite, washers or wire. Just the correct Tq.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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09-14-2007, 04:28 PM
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1985 Porsche 930 Fac. Slantnose 3.3l
