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      udidwht replied to the thread Radiator.
      Given it's leaking try Irontite All weather Seal' https://irontite.com/p/8197-all-weather-seal-pint/v/8197 Better than any of the...
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      1. Fuel pressure check 2. TBI base gasket check for vacuum leak/s 3. IMO... not the O2 sensor given it comes into play after warm up...
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      udidwht replied to the thread Cant get up to 45mph.
      Not necessarily. Electrical issue/s often will rear themselves when heat and a certain condition allows for the issue to present itself...
      • 20190515_220427[1].jpg
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      udidwht replied to the thread Fan Clutch and gear ratio???.
      In my P-30 chassis RV the clutch fan can be heard briefly at first start up (cold) for perhaps 30 seconds to a minute. Then only again...
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      udidwht replied to the thread Cant get up to 45mph.
      Plugs look decent. The color is from fuel additive/s in fuel. No signs of oil and/or gas foul. Check the wire resistance in each wire...
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      udidwht replied to the thread AC clutch.
      Complete! There were (2) shims underneath. Removed the larger of the (2) and reinstalled the clutch. Air gap is now .4XXmm. Runs...
    • U
      Yep, that is nothing but smoke and mirrors talk from Gavin Grusome. Here's a little secret... He and many in Sacramento wont be around...
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      udidwht reacted to 1998_K1500_Sub's post in the thread AC clutch with Like Like.
      @L31MaxExpress has a method he uses based on "superheat"… that’s the proper technical term, but it's a simple process of measuring the...
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      udidwht replied to the thread Problem with '91 4L80E.
      Solved the shift problems suggests perhaps the issue may have lied in the ECM?
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      udidwht replied to the thread AC clutch.
      I'll add this in case anyone needs the info... Compressor is Sanden U-7803 Part#15680077 Specs: Air source #s: Compressor - 5704...
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      udidwht replied to the thread AC clutch.
      Waiting for a puller to arrive. I was able to get the nut off though. This one is keyed with (3) threaded holes so a puller is needed...
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      udidwht replied to the thread AC clutch.
      Confirmed the air gap is too wide. Spec is (.4mm - .8mm). It's at .9mm (engine cold). Sanden manual for the SD7 states: Air gaps...
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      udidwht replied to the thread Oil Analysis.
      Having the TBN will let you know when it's time to change the oil. Anything above 1.0 is good. Many oils start at ~8 - 8.5. And having...
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      udidwht replied to the thread AC R-134a replacement.
      Update: Vacuumed the system down for roughly 50 min to ~30in hg. Then let it sit overnight. After roughly 20 hours the vacuum held with...
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      udidwht replied to the thread AC clutch.
      I was actually just looking at that when I noticed the keyed vs spline. Figured someone would be able to tell from my pic. Looking at...
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