BW35 oil change
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Thinking about doing an oil change on the gearbox,i know I won,t get all the oil changed in one go and have to maybe do the change a few times,what gearbox oil should I use? and how much on a drain only,i can,t find my workshop manual(again!)
Re: BW35 oil change
I used an ATF Type F fluid suitable for BW transmissions.
I have bought it from a firm called Smith and Allen on EBay- 5 ltrs £27 delivered. It was called Smith and Allen ATF Type F for Ford / BW transmissions before 1980 M2C33F. The company are long standing, and have good reviews. I have no complaints about their ATF and gear oils that I have used previously. Quick delivery too.
I have bought it from a firm called Smith and Allen on EBay- 5 ltrs £27 delivered. It was called Smith and Allen ATF Type F for Ford / BW transmissions before 1980 M2C33F. The company are long standing, and have good reviews. I have no complaints about their ATF and gear oils that I have used previously. Quick delivery too.
Register Member no. 1596
1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
1972 Mk2 2.5 PI in Triumph White
1973 Mk2 2.5 PI in Sienna Brown
1976 Mk2 2500S in Carmine Red
1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
1972 Mk2 2.5 PI in Triumph White
1973 Mk2 2.5 PI in Sienna Brown
1976 Mk2 2500S in Carmine Red
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- Senior Member
- Posts:484
- Joined:Thu Apr 08, 2004 7:46 pm
- Location:United Kingdom
Re: BW35 oil change
Great,thanks,i have seen it and ordered it,is it worth removing the sump to clean it out etc,or is there not much point,is there a filter there that can be cleaned aswell?
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- Senior Member
- Posts:484
- Joined:Thu Apr 08, 2004 7:46 pm
- Location:United Kingdom
Re: BW35 oil change
Got the oil now,all fine,so is it a case of just draining the gearbox and refilling through the dipstick tube,manual says its 6 pints on a drain.
Re: BW35 oil change
Dave,
I would get the engine / gearbox warm with a short run, measure the quantity drained, and replace the same amount with new fluid (through the gearbox dipstick). Run the engine, slowly selecting all gears from P through to D1 and back several times. Then let it tick over in P for a couple of minutes to normal operating temperature and check the level and top up as necessary. I have found that it isn't always easy to establish the correct level at this point as there is always a certain amount of fluid on the flexible part of the dipstick.
If it has an oil cooler, the total capacity is greater, but it cannot all be drained, so to renew as much fluid as possible, two or three oil changes with a drive between should ensure that the majority of new oil is circulated and as much new oil as possible is retained.
If the oil is a deep red colour similar to the new stuff going in, all is probably well inside. If it is a little black in colour with a horrible smell, that is an indication that the gearbox needs attention internally.
When I changed the auto gearbox oil on my grey Mk1 many years ago, it was green in colour, but clean. I replaced it with red ATF and it has been fine. I presumed at the time ATF from the late 60's may not have always been red.....
I would get the engine / gearbox warm with a short run, measure the quantity drained, and replace the same amount with new fluid (through the gearbox dipstick). Run the engine, slowly selecting all gears from P through to D1 and back several times. Then let it tick over in P for a couple of minutes to normal operating temperature and check the level and top up as necessary. I have found that it isn't always easy to establish the correct level at this point as there is always a certain amount of fluid on the flexible part of the dipstick.
If it has an oil cooler, the total capacity is greater, but it cannot all be drained, so to renew as much fluid as possible, two or three oil changes with a drive between should ensure that the majority of new oil is circulated and as much new oil as possible is retained.
If the oil is a deep red colour similar to the new stuff going in, all is probably well inside. If it is a little black in colour with a horrible smell, that is an indication that the gearbox needs attention internally.
When I changed the auto gearbox oil on my grey Mk1 many years ago, it was green in colour, but clean. I replaced it with red ATF and it has been fine. I presumed at the time ATF from the late 60's may not have always been red.....
Register Member no. 1596
1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
1972 Mk2 2.5 PI in Triumph White
1973 Mk2 2.5 PI in Sienna Brown
1976 Mk2 2500S in Carmine Red
1967 Mk1 2000 in Gunmetal Grey
1969 Mk1 2000 in Royal Blue
1970 Mk2 2000 in Valencia Blue
1972 Mk2 2.5 PI in Triumph White
1973 Mk2 2.5 PI in Sienna Brown
1976 Mk2 2500S in Carmine Red
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