Overdrive help plese

so why is it they say use 20/50 oil in the gearbox :I[?]

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erm, coz thats what the manual says Panky told me to use lol .......really, way above my head Mark lol:D

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''COMMER'EnSayThat''
 
I wouldn't recommend anything but 20-50...did someone tell you to try something else:I

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Two's company
 
it was suggested by someone quite knowledgable......so, someone baffle me with science as to why we should or should not use certain oils please.....:)

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''COMMER'EnSayThat''
 
It's all about viscosity and how thick it is:I or is that the same thing[8)]
I don't know I'm tick:)

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Two's company
 
I would never call you thick Panky...viscous yes hahaha....yes i realise the numbers represent viscosity but why 20/50 and not 15/40 ??

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''COMMER'EnSayThat''
 
quote:
Originally posted by Dodgemark

so why is it they say use 20/50 oil in the gearbox :I[?]

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I think its when you have an overdrive they have bronze bushes deteriorate in gear oil [?]

Commer Dandy by Dandy Caravans
The Colonel Mustard
 
15/40 is ok Colin any oil is better than no oil if you have a good engine that doesn't leak or burn oil treat it to the best you can afford :D if it burns it & leaks use cheaper stuff ;)

Commer Dandy by Dandy Caravans
The Colonel Mustard
 
quote:
Originally posted by commeracer

Basically 15/40 will be thinner when both cold and hot :)

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"You,re only supposed to blow the bloody SLIDING doors off"



Yes, thats how I understand it Tim........I've been waiting for your input on this thread...thankyou:) ....but why shouldn't i use 15/40 instead of 20/50? ...and any ideas from you why the o/drive is behaving the way it is please mate?

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''COMMER'EnSayThat''
 
quote:
Originally posted by commerchris

15/40 is ok Colin any oil is better than no oil if you have a good engine that doesn't leak or burn oil treat it to the best you can afford :D if it burns it & leaks use cheaper stuff ;)

Commer Dandy by Dandy Caravans
The Colonel Mustard



20/50 or 15/40 is the same price? ......ok, so if its a case of buying the best we can afford then why don't we all use synthetic oils?

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''COMMER'EnSayThat''
 
I would have helped if i knew Colin :I. i don,t think the oil type will be the problem, it,s more like the settings or internal fault, cone clutch maybe [?]

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"You,re only supposed to blow the bloody SLIDING doors off"
 
I'm hoping the postman turns up 2moz with a new solonoid (lets hope thats the issue) otherwise the box will be out and in lots of pieces...hey, if thats the case maybe instead of a clown I can be gearbox guru lol...:D

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''COMMER'EnSayThat''
 
Well, the new shiny solonoid arrived and was fitted today....still no joy! .....frustrating, but hey ho! I will probably leave it til autumn now and then have the box out again for a full strip down and maybe give it to a specialist to sort out....at end of day I still have a gearbox that doesn't jump out of 3rd like the old one and I don't want Tigger off the road now the sun is shining[8D]...if I need any bits, I wonder if I can buy them or will have to have them made? ......:(

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''COMMER'EnSayThat''
 
Something I haven't actually done is taken the filkter out and clean it, but I notice the drain plug is rounded off, so removing it isn't really an option...presumably if I drain as much as poss from the normal gearbox drain then remove the filter that any oil left will just escape all over me from the filter casing?

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''COMMER'EnSayThat''
 
Yep:D
Worth a look but a blocked filter would more than likely prevent the OD from engaging in the first place, who knows what you will find - lumps of bearing or gears, maybe a dead frog[}:)]

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Two's company
 
lol:D ...When you get time John would you take a look in the manual for me and just see if there are any other suggestions please mate...so annoying that Steve gave me a manual with Smurf and I can't find it anywhere.......i thought about adjusting the solonoid further as like smurfs but in theory I can't see how it would help...as it is set it engages perfectly smooth and quickly...I worry that if I adjust it further, that the o/drive will be engaged all the time.....maybe just forget about it til Autumn..

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''COMMER'EnSayThat''
 
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