GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Results 1 to 2 of 2
  1. #1

    Default fluids for 90' k1500 (tranny-transfer)

    bought this truck for work and runs great!!! its a 1990 chevy k1500 stepside...noticed some leaks underneath truck.. no puddles, just wet.. also noticed at 60 mph it sounds like a tuning fork...? noticed that fluids looked low, so had buddy fill em... supposed to to be chevy head... he ended up putting 80-90 in everything... didn't know this till went to use 4x4 ... makes a whining noise...??? what should i drain and fill with what? lost... first 4x4 and don't want to screw it up...lol ANY HELP WILL BE APPRECIATED!!! thanks in advance also noticed that "throw out bearing" makes rattle and noise when clutch is not engaged... seen greaser... ??

  2. #2
    Sr. Engineer
    Join Date
    Dec 2011
    Location
    11-22-boogie woogie avenue
    Posts
    308

    Default

    Transfer transmission fluid... rears 90 weight. transmission dextron 3 ...5w-30 oil engine chevys do not like nothing else. Grease all .

Similar Threads

  1. Tranny Fluid Dripping Out Back of Transfer Case
    By Big6ft6 in forum Chevy Suburban Forum (GMC Yukon XL)
    Replies: 18
    Last Post: 12-22-2011, 06:18 PM
  2. 05 Silverado Transfer case or Tranny problem?
    By CThiessen in forum General Chevy & GM Tech Questions
    Replies: 5
    Last Post: 06-01-2011, 10:31 AM
  3. 96 k1500 transfer case
    By SCAIR001 in forum GM Powertrain
    Replies: 2
    Last Post: 01-05-2010, 02:42 PM
  4. front & rear diff. & transfer case fluids
    By redneckarmyMP in forum General Chevy & GM Tech Questions
    Replies: 16
    Last Post: 10-09-2009, 11:00 AM
  5. having trouble with tranny and transfer case [Expired Topic]
    By br2819 in forum Chevy Suburban Forum (GMC Yukon XL)
    Replies: 2
    Last Post: 04-03-2006, 09:17 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •