73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Interior & Equipment => Power Windows & Door Locks => Topic started by: IdahoMan on May 16, 2025, 05:25:16 pm
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Quick question.
I'm following the bd's instruction (http://forum.73-87chevytrucks.com/smforum/index.php?topic=32213.msg272544#msg272544) to help with my sluggish power door windows.
-What type of grease was used on these truck's windows?
-Is there a method of determining an unknown grease type?
I have a canister of Super Lube Synthetic and a tube of Marine Grease (Calcium Sulfonate). Want to make sure whatever I use is compatible.
PS: Is there a test one can do to determine if two unknown greases are compatible?
Thank you,
IM
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Use a lithium base grease such as Sta-Lube General Purpose (greenish brown), Sta-Lube Sta-Plex (red), or Lubriplate Type A (white). Super Lube Synthetic (clear) will work, too, but may need to be reapplied more frequently than the lithium base greases. Generally, I do not recommend mixing greases that are known to be different. Specifically, don't mix lithium base and calcium base greases - results can vary but often cause unpredictable changes in viscosity, lubricity and sometimes causes caking. That said, the Sta-Lube General Purpose grease is probably most like the factory grease used during assembly.