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Fuels & Lubricants Discussion all about Fuels & Lubricants. synthetic oil, conventional oil, brands, change intervals, diesel grades, gelling and such debated items like that. Non TDI related postings will be moved or removed. This forum is NOT for the discussion of biodiesel and other alternative fuels.

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Old April 11th, 2005, 10:09   #1
dieseldorf
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Default G50 v. G51 v. G52

Finally, after several months, a response from VAG about the different gear lubes now available:

Quote:
Your enquires concerning gearbox oils can be categorised as follows:





- G50: Manual gearbox oil SAE 75W-90 based on synthetic hydrocarbons. Initial oil in filled-for-life applications and maintenance.


- G51: Synthetic multi-grade gearbox oil SAE 75W-90. Oil for use in manual gearboxes with thermally stable basic oil technology.


- G52: Manual gearbox oil SAE 75W based on a conventional hydrocarbons. Oil for filled-for-life application in manual gearboxes and final drives with spur gears.

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Old April 11th, 2005, 20:12   #2
jddaigle
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Default Re: G50 v. G51 v. G52

Very interesting. So G52 is a single-weight dino oil? Not what I would have expected.

Seems like G50 has the broadest range of applications. Any idea what they mean by "thermally stable basic oil technology" WRT G51??
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Old April 11th, 2005, 21:17   #3
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Default G50 v. G51 v. G52

I recently changed the gear oil on my Golf. I'm pretty sure the dealer gave me G052.

It shifts better than before, but I must say VW gearboxes leave much to be desired. Not nearly as smooth as my four previous cars (90 Integra, 83 Prelude, 76 530i, 73 2002).
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Old April 12th, 2005, 05:41   #4
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Default G50 v. G51 v. G52

Frank mentions the G52 in this thread: web page

I have heard others mention the use of G52 when they have transmission "noises" relating to the spider gear (??).

As noted above, it looks like the original G50 is the broadest application.

I have no idea what they're trying to say with this statement: "thermally stable basic oil technology".
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Old April 28th, 2005, 08:33   #5
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Default G50 v. G51 v. G52

I ordered a couple of litres of G50 yesterday...dealer does not stock the product I get the impression G52 has become the default product (??). G52 is about 50% less than the G50.
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Old April 28th, 2005, 11:34   #6
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Default Re: G50 v. G51 v. G52

Where's a good place to order G50? I can't find it at tdiparts.com.
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Old April 28th, 2005, 12:29   #7
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Default Re: G50 v. G51 v. G52

Impex always has G50.

I ordered from our frienldy VW dealer in NY....he offered it at ~$15.50. I ordered a few other items from him and shipping has to be added to that price.

I think you could go to your local dealer and just ask for 15% off and end up at the same final price...assuming they have it.
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Old April 28th, 2005, 13:09   #8
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Default Re: G50 v. G51 v. G52

>>I think you could go to your local dealer and just ask for 15% off<<

Up here you're likely to get laughed off the premises...

Yuri.
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Old April 28th, 2005, 13:24   #9
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Default Re: G50 v. G51 v. G52

yuri, haven't had that experience down this way...they're pretty cool about it. On some parts they'll give much more discount.
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Old April 28th, 2005, 14:58   #10
ymz
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Default Re: G50 v. G51 v. G52

Perhaps in your neck of the woods... up here in Canada there's a fairly strict pricing hierarchy, with a business (tax) number needed to get the dealers to sell for less than list price...

Of course, when I'm down in the U.S. - in Springfield MA usually, it's useless to even ask, as whenever I've needed anything the local dealer never has it in stock, and I don't have the 4-5 days he says it'll take to get it in...

Yuri.
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Old May 7th, 2005, 08:32   #11
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Default Re: G50 v. G51 v. G52

^^
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Old May 24th, 2005, 13:05   #12
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Default Re: G50 v. G51 v. G52

This is confusing. Impex sees G51 listed as the OEM manual transmission oil for my car. Adirondack listed G52. G52 is cheaper, but why put dino oil when the original specified synthetic?

A mix of Redline MTL and MT-90 is sounding good, but where I live (Iowa) we get cold winters and hot summers, so transmission fluids need to be chosen carefully.

What do you think? Pay for the original G50? Go for a Redline mix?
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Old May 24th, 2005, 13:52   #13
scooter
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Default Re: G50 v. G51 v. G52

Bryan, Try the Redline MTL/MT-90 mix. Lots of folks use the Redline gear lubes on this site. Worst case, if you don't like the way it works, replace it with the OEM. Two quarts or Redline will only cost you less than $20.
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Old May 24th, 2005, 16:22   #14
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Default Re: G50 v. G51 v. G52

Quote:
This is confusing. Impex sees G51 listed as the OEM manual transmission oil for my car. Adirondack listed G52. G52 is cheaper, but why put dino oil when the original specified synthetic?



VW dealers are using the G52 as the default fluid. i guess it cures a noise some people have in their transmissions and it's 1/2 the cost of the syn fluid.
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Old June 22nd, 2005, 10:12   #15
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Default Re: G50 v. G51 v. G52

I discussed the G52 with one of our VW techs. He says shifting is a bit fimer when the car is cold, overall feel is the same as G50 when car is warmed.

G52 does appear to cure the noise some of these cars are making during full lock turns.
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