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axle oil seal

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 79Cheyenne, Mar 6, 2000.

  1. 79Cheyenne

    79Cheyenne 1/2 ton status

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    how hard is iit to replace the oil seal on an axle?

    I'm squirting oil out by the rear drum and its not brake fluid, it smells like crap so it must be gear oil.

    have any of you guys done this and is it possible to do in a day?

    thanks

    <font color=orange>1979 BLAZER Cheyenne[​IMG]
     
  2. 1bad2

    1bad2 Registered Member

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    Pull the rear cover, Push in the axle after removing center pin, Retrieve C-Clip, Pull out axle, Pry out the seal with a screwdriver, Tap in new seal with mallet, Reinstall axle and C-clip then pull outward on axle, Reinstall the pin (put loctite on the bolt holding this inplace), Reinstall the rear cover with a fresh gasket, Fill with quality gear lube.

    Curtis
     
  3. delta9blazer

    delta9blazer 1/2 ton status

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    you make it sound so easy.....

    <font color=purple>delta9blazer</font color=purple>
     
  4. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    The other is not far behind...you got it open and it's not really much more work and only $5 more. Replace both. Get good seals (NAPA) made in the USA. Don't get China seals!!!!!! You will have to do the job again in 6 months.
    If the brake soes didn't get any oil on them this is a 2 hour job if you take your time. I have seen guys replace axle shafts on the trail is 20 mins and about the same work.

    Diging it in the dirt with my K5's
    Grim-Reaper
     
  5. 79Cheyenne

    79Cheyenne 1/2 ton status

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    Well it sounds easy enough. Thanks for the help, I'm off to NAPA.

    While I'm in the axle what else should I look for in terms of what may be on the verge of dying?


    <font color=orange>1979 BLAZER Cheyenne[​IMG]
     
  6. Goose

    Goose 1/2 ton status

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    See if your axles have grooves where they ride on the bearings. They are just inside the seals. Grooves are bad.
    Also, any pitting, chipping, or grooves in the ring and pinion gears is bad. The wear pattern should be consistent, and correct me somebody if I'm wrong, should be generally centered on the gear tooth. i.e.-not towards the outside or inside edges.
     

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