transmission oil change. what oil?

[K9]

Hey, bout to change my transmission oil on my R32 mk5 manual. What oil can be used? been looking at 3L Castrol Syntrans Transaxle 75W-90. any good?

[fab5freddy]

I use this, Millers CRX 75w90 NT, recommended to me by Alex @ AKS 

[colesey]

I use this, Millers CRX 75w90 NT, recommended to me by Alex @ AKS 

+1. Much better gear change when cold than the treacle VW supplied the car with.

[pudding]

I use this, Millers CRX 75w90 NT, recommended to me by Alex @ AKS 

+1. Much better gear change when cold than the treacle VW supplied the car with.

Treacle?  Water more like!  The VW stuff is seriously runny compared to other gear oils.

[K9]

So i can use the castrol one? 75w 90?
Says vw 501.50/G 052 911

[pudding]

If in doubt, use G52 from VW.

[Dan_FR]

I use this, Millers CRX 75w90 NT, recommended to me by Alex @ AKS 

+1. Much better gear change when cold than the treacle VW supplied the car with.

Treacle?  Water more like!  The VW stuff is seriously runny compared to other gear oils.

Echo this, mega thin stuff that really helps from cold, countless stories of people running a 75w90 oil and complaining that the car struggles in to gears when cold. I'm changing mine in the next week or two and will be sticking with the genuine stuff

[pudding]

I think there's a thread on myturbodiesel.com, or somewhere, where a chap sent the VW oil (and some other well known brands) off for analysis.

At 100 deg C, VW G52 is less than half the viscosity of the others.   It's thin to help with cold shifts as you say, and also reduced gear drag for better economy.  But I suppose as these gearboxes get old and rattley, a thicker oil might help when up to temperature, at the expense of cold shift quality.

[Paradox1]

I think there's a thread on myturbodiesel.com, or somewhere, where a chap sent the VW oil (and some other well known brands) off for analysis.

At 100 deg C, VW G52 is less than half the viscosity of the others.   It's thin to help with cold shifts as you say, and also reduced gear drag for better economy.  But I suppose as these gearboxes get old and rattley, a thicker oil might help when up to temperature, at the expense of cold shift quality.

You have to remember in cold months, not many people warm up there cars like we do. just turn the engine on and drive...lol

[pudding]

I think there's a thread on myturbodiesel.com, or somewhere, where a chap sent the VW oil (and some other well known brands) off for analysis.

At 100 deg C, VW G52 is less than half the viscosity of the others.   It's thin to help with cold shifts as you say, and also reduced gear drag for better economy.  But I suppose as these gearboxes get old and rattley, a thicker oil might help when up to temperature, at the expense of cold shift quality.

You have to remember in cold months, not many people warm up there cars like we do. just turn the engine on and drive...lol

Lol, I don't warm mine up either      Idling a car in the cold to warm it up is the worst thing anyone can do to an engine.  Best to just drive it normally and get it up to temp as quickly as possible 

[K9]

So how much is the difference between 75w 80 and 75w 90? Both castrols.

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[Paradox1]

I think there's a thread on myturbodiesel.com, or somewhere, where a chap sent the VW oil (and some other well known brands) off for analysis.

At 100 deg C, VW G52 is less than half the viscosity of the others.   It's thin to help with cold shifts as you say, and also reduced gear drag for better economy.  But I suppose as these gearboxes get old and rattley, a thicker oil might help when up to temperature, at the expense of cold shift quality.

You have to remember in cold months, not many people warm up there cars like we do. just turn the engine on and drive...lol

Lol, I don't warm mine up either      Idling a car in the cold to warm it up is the worst thing anyone can do to an engine.  Best to just drive it normally and get it up to temp as quickly as possible 

How is it bad for the engine???

Im not saying I sit there for 20minutes  lol. I give it a minute or so(cleae windscreen, choose album and what no) then just cruise until its warm

[Shoduchi]

How is it bad for the engine???

Im not saying I sit there for 20minutes  lol. I give it a minute or so(cleae windscreen, choose album and what no) then just cruise until its warm

1 minute isn't that significant. The principle is that it takes longer for the engine to warm up when the car is stopped and that wears more the internals than just starting the engine and rolling calmly.

[pudding]

I think there's a thread on myturbodiesel.com, or somewhere, where a chap sent the VW oil (and some other well known brands) off for analysis.

At 100 deg C, VW G52 is less than half the viscosity of the others.   It's thin to help with cold shifts as you say, and also reduced gear drag for better economy.  But I suppose as these gearboxes get old and rattley, a thicker oil might help when up to temperature, at the expense of cold shift quality.

You have to remember in cold months, not many people warm up there cars like we do. just turn the engine on and drive...lol

Lol, I don't warm mine up either      Idling a car in the cold to warm it up is the worst thing anyone can do to an engine.  Best to just drive it normally and get it up to temp as quickly as possible 

How is it bad for the engine???

Im not saying I sit there for 20minutes  lol. I give it a minute or so(cleae windscreen, choose album and what no) then just cruise until its warm

Depends how long your journey is, but 1 min is OK.   It's engines that never get hot enough to burn off the acidic condensation inside the engine that are the problem, hence why I never buy cars from women or very low mileage cars for their age.

[K9]

So i ended up using castrol vw approved 75w 90 oil. Works much nice then the old black dirty oil. Also was in the mood and changed the haldex fluides to. The haldex fluides was all dirty and gray?! And seemed to have water to... now new yellow oil.

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