bluebarry1964b
Homestead, Florida
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Joined: 10/22/2011
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It's time to change the oil in my rear differential. My manual says that I'm supposed to use Pennzoil 75w90 synthetic gear oil for my rear differential (2003 Holiday Rambler Neptune). I haven't found any, and have been looking in stores, online, etc, for a good quality 75w90 synthetic oil. The cheapest I've found so far is going to run me about $8.90/quart, buying it in gallon jugs. I'm needing 16 quarts, so I'm trying to find a better deal than $8.90. Quality is more important than price, though, but I was hoping to find a better deal. Any ideas?
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rvrepairnut
bc
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Joined: 11/11/2011
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bluebarry1964b wrote:It's time to change the oil in my rear differential. My manual says that I'm supposed to use Pennzoil 75w90 synthetic gear oil for my rear differential (2003 Holiday Rambler Neptune). I haven't found any, and have been looking in stores, online, etc, for a good quality 75w90 synthetic oil. The cheapest I've found so far is going to run me about $8.90/quart, buying it in gallon jugs. I'm needing 16 quarts, so I'm trying to find a better deal than $8.90. Quality is more important than price, though, but I was hoping to find a better deal. Any ideas?
I find it hard to beleive a 2003 Manual actually names a brand? but all that aside any synthetic 75-90 GL5 hypoid gear oil will work just fine
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MARKW8
Akron OH
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Try a truck stop/ truck repair shop for gallons. Or order online.
Mark
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agesilaus
North Florida
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Joined: 05/06/2008
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Lots of people use Amsoil
Glendale Titanium 29E34TS fifth wheel
2012 Ford F-350 4WD Lariat 6.7L
PullRite OE Series Super5th 18K
Superbumper
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rvrepairnut
bc
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agesilaus wrote:Lots of people use Amsoil
one of the worst over rated gears oil of all time
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old guy
Oregon (pronounced Or e gun)
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do you have jiffy lube stations in your area. they use Pennzoil at their places of business
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lirv
Northport,NY
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Delvac 1 is an excellent stnthetic gear lube. Most truck shops carry it. It is original fill in many truck differentials.
2010 Winnebago Tour 40CD Dark Mica Metallic
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DavidP
Raleigh
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Mobil 1 75/90 is also a very good synthetic.
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Captain_Happy
Abilene, Texas
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I wouldn't be using sythesia oil in my rear end after what my mechanic told me about how thin this kind of oil can get when it gets hot. It doesn't stick to the drive shafts long enough to get to the outer wheel bearings. He ought to know, he works on these things.
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Weathertodd221
FL
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Captain_Happy wrote:I wouldn't be using sythesia oil in my rear end after what my mechanic told me about how thin this kind of oil can get when it gets hot. It doesn't stick to the drive shafts long enough to get to the outer wheel bearings. He ought to know, he works on these things.
I find that amusing. If distribution is a problem... what leads him to believe conventional is any better than synthetic?
He "oughta" know isnt a very high standard with which to set a benchmark...lol
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