Question about 1994 Isuzu Rodeo

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How do i lube my ballbearing joints in my 94- isuzurodeo 4cil.

In trying to lube my ballbearing joints i found that their is no nipple to grease my ballbearing joints. How do i lube them please?

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  • QuantumRift Jun 15, 2012

    This was posted 4 yrs ago, so I 'll make it quick. If there no grease fittings on the all joints, they are 'sealed' for life of vechicle. However, the life of the vehicle generally exceeds the "life' of the rubber materials that the grease (retention) boot is made of. The rubber 'boot' keeps the grease in the joint to allow free movement when steering the vehicle. If there are no grease fittings and the boot is not rotted, cracked or otherwise damaged, leave it alone. If there is damage to the boot and you see leaking or oozing grease, and there is no fitting to add grease, then you have two choices. Sometimes there is a 'plug' where a grease fitting should go. You can remove the plug and attach an appropriate grease can determine what angle you need, 90, deg, 45 deg, or straight (no angle). Take the plug to your auto parts shop to determine the correct size. Install the grease fittings and add grease until you see 'new' or clean grease ooze from the cracks, etc. Wipe up any excess grease. When the grease boots get cracked or damage, they allow moisture and dirt, etc into the joint, and that causes wear. If your joints do NOT have fittings, or the ability to add fittings, and the grease boots are cracked or torn, then your only alternative is to replace the ball joints (do them as a pair on each side while it is apart, upper and lower). It can be costly work if you do not do it yourself. Also keep a close watch on the CV axle boots for cracking or tearing or leaking and replace the half-shafts if necessary.
    I am doing my 90 Isuzu pickup 4x4 now and replaced the half shafts, the disc rotors, brakes, bearings (inner, outer, and knuckle) and seals while it's all apart. it has 190,000 miles on it. I know you have long since departed this job but this is for any future readers of this article.



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I think you mean 'ball-joints,' part of the steering and suspension.
Most modern vehicles, with some exceptions, no longer have the Zerk fittings once found on each ball-joint, but 'lifetime' lubrication packed into the joint and decently sealed to prevent loss of grease and incursion of dirt and moisture. You may have sealed ball or roller bearings used in your wheels since the cone-type, adjustable bearings are also less common than they once were.
In my experience, these sealed assemblies have become ever more reliable as materials and manufacturing techniques have steadily improved.  Many such assemblies now really do last the usable life of our vehicles.    

Posted on Nov 14, 2008


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