leaking 14 bolt ff
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i havent drained the gear oil ever since ive owned the truck, will do so soon. What fluid should I use? 1980 G80 14 bolt FF and is there any type of sealant i can use instead of pulling the axle apart?
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Re: leaking 14 bolt ff
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Re: leaking 14 bolt ff
The first thing I would check,
Would be, Those bolts holding the pinion in the housing. They may be loose causing it to seep through the shims. Also about the type of oil, I would pull the cover to see if by a slim chance that It may have a posi-traction unit in it. If not there is a few choices. Food for thought: found on this site in the link below. Link: https://lugnut4x4.com/axles/best-14-...%20fill%20hole. Why Use 75W-140 Gear Oil? 75W-140 gear oil is a good option for a wide range of temperatures. Unlike 80W-90 or 75W-90, 75W-140 offers protection at both colder temps (75) AND fairly high temps (140). While gear oil shouldn’t spend a lot of time at very high temperatures, it’s good to have protection in those scenarios. Likewise, you want protection at the lowest temperature possible for those few minutes when everything is still cold after start-up. The downside to using 75W-140 gear oil is the cost. It’s about twice as expensive as conventional 80W-90, and maybe 30% more than conventional 85W-140 gear oil. Still, the absolute cost difference is typically less than $20. For $20, it’s kind of a no-brainer. . |
Re: leaking 14 bolt ff
That is one of the easiest leaks to fix on a 14b. Remove the driveshaft--then the 6 bolts. Clean surfaces and the shims. Very thin application of an ultra silicone on surfaces and bolt back together. Bolts torque to about 50-55. G80 diff is the gov-loc and should only require the 75/90 gl-5 rated oil. A tube or 2 of modifier wouldn't hurt
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