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Howl of the WereEngine
After almost 4 years, I finally fired my 87 GN up. Before doing so I, primed the oil pump, set the cam sensor, pulled the plugs and gave 10 or so good squirts of Marvel mystery oil in each cylinder, checked both oil and coolant.
The motor fired right off but there was this hellacious noise - howl/grind - from the front. I shut if off immediately. Let it sit a few minutes, fired it up again. Same thing - noted that the engine itself seemed to be running fine - LED tach showed 1st 2-3 lights lit. Shut it off. Decided I needed more info (maybe not the brightest move) and fired it up, got out of the car and found that the howling seemed to be coming from the air conditioning compressor or belt tensioner. Shut it down and went to bed. I woke up at 4 and got to worrying about the location of the one nut from the turbo bell that I couldn't find when I put it back together. Went out, pulled the bell and found it all intact. I think it is either the air conditioner or tensioner. My plan for this evening is to take off the serpentine belt and see if it goes away. I sprayed both liberally with WD40. The car ran fine 4 years ago (AC did not work then). I changed plugs, wires, injectors, added oil and water gauge (neither completely wired in last night) and KN cone filter. Thoughts/suggestions? -ralph cordell |
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Re: Howl of the WereEngine
Sure sounds like the A/C compressor ...
__________________
Ken Mosher 1987 GN original owner 650+ HP Black 2015 BMW 328xi XDrive wagon 2012 Volkswagen Tiguan (the Tig!) Night Blue Met (sold) 2006 Trailblazer SS Red Jewel Tint 395 HP AWD (sold) 2014 Silverado LTZ Crew 4WD 2012 Honda VFR 1200F Tahitian Blue (sold) 2015 BMW S1000R Racing Red 2013 Honda CBR500R Red (wife's bike) 2014 Triumph Bonneville T100 2003 Harley Davidson V Rod Anniversary Edition |
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Re: Howl of the WereEngine
I have seen something similar to that in an old ford Ranger pickup. The A/C compressor had seized and the clutch had rusted up but the belt was still turning the clutch. The noise was coming from the innards of the A/C compressor clutch grinding away against itself.
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#4
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Re: Howl of the WereEngine
Mystery solved. I had used a floor jack to push the intercooler up into place and had bent the flange up. The fan was hitting on the flange. Pulled it back down and fired er up. Did not exactly purr - slight knock from the valve cover and an exhaust leak between the the up-pipe and turbo elbow - but otherwise ran fine. Was a stupid stunt - others learn from my mistake. Thanks to Cherrypie, Ken Mosher, Ken at KensGN and John at Southern Kustom for all their help, willingness to provide expertise and patience. I probably missed a couple of others.
-ralph cordell Last edited by Ralph Cordell; 10-25-2005 at 09:54 AM. |
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