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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars |
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1800 es gearbox filler questionViews : 1005 Replies : 12Users Viewing This Thread : |
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Jul 9th, 2023, 13:23 | #1 |
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1800 es gearbox filler question
Hi, I have just replaced the speedo angle drive seals on my 1800es manual and I need to top up the gearbox oil. The filler plug above the drain plug is totally rounded off and impossible to move. Can anyone tell me if there is a way to fill The gearbox from the top if I were to remove the console carpets etc? The car is on ramps at the front at the moment and not ideal for messing about with the rounded nut, I am hoping that can wait until I have better access, thanks, Dean
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Jul 9th, 2023, 16:27 | #2 |
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Because you have an extension on your gearbox for the gearstick it isn't easy to fill from the top. At the very front close to the bell housing is the overdrive switch. If you can get to that from inside you can remove it and fill from there. Yours may have an access panel there. See pic. I would persevere with the filler plug. It might need heat or a nut welded to it. A garage visit might be needed. They are used to that sort of thing. Just don't be tempted to drain the oil before it is out! YT link for a general look at your GB/OD unit.
https://www.youtube.com/watch?v=llQV2JkKbhM&t=57s |
Jul 9th, 2023, 16:43 | #3 |
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Thanks Derek, that's very helpful.I'll check for the access panel tomorrow failing that I agree, a visit to a garage is on the cards, thanks again, Dean
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Jul 9th, 2023, 18:02 | #4 |
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The access panel in the top of the transmission tunnel ended with chassis # 30,000. Yours being an ES will almost certainly not have the access panel on the top of the tunnel.
Aside from the physical difficulty associated with trying to fill through the OD switch port, accurate fill level will be impossible to determine. The procedure is to use a pump and fill through the fill plug until oil runs out the fill plug. Clearly, the car needs to be relatively level to get an accurate measurement. If you have the M41, unless you remove the OD cover (and probably the internal filter cover) you will not get a complete drain and you cannot use the specified oil capacities to determine the amount of fill. Have a replacement gasket on hand if you remove the cover. Even if you remove the OD cover plate you can never get the specified capacity back in because the internal surfaces always retain an oil coating during the change. The weapons of the Devil may assist you with plug removal. These consist of the biggest slip joint or Vise Grip pliers that you can find. I have both. My slip joint has 12" long handles and with a good grip you can twist the head off of 5/16" bolts without problem. So you need to be able to remove the fill plug in order to get an accurate fill level. Whether you take it to a mechanic or try the weapons of the devil is your choice. Doing this with the car up on a hoist will be much easier and safer and will also facilitate an accurate fill once the plug is removed. Have a new replacement plug on hand ahead of time because these may not be so common. I don't know whether the plug uses the common NPT threads. |
Jul 10th, 2023, 20:11 | #5 |
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Thanks 142 guy.
I won't bother looking for the panel under the carpet but I will have another go at the nut with a slip joint at the weekend. Does anyone know whether there are different types of angle drive fitted to the 1800es? mine is a VDO which has 33/4811 stamped on it. The seals I received from Brookhouse were an o-ring and a small round disc (not the top hat I have read about and was expecting) Thanks Dean |
Jul 11th, 2023, 12:30 | #7 |
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Jul 11th, 2023, 17:31 | #8 |
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Thanks Derek
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Jul 17th, 2023, 19:32 | #9 |
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Hello again, I have removed the shaft and fitted the larger seal. When I insert the 'top hat' seal which is more like a small polo mint the two faces 0n the left no longer touch as the seal will not fully enter the recess. I have seen photos of seals which are a top hat shape which I think would allow both faces to marry up as they did when I removed the shaft. There was a small home made seal in the recess when I removed it. Is there another type of seal available? thanks, Dean Removed shaft.jpg
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Jul 18th, 2023, 08:06 | #10 | |
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Quote:
I can't find the original photos, but you can see them in this link: https://www.volvoforums.org.uk/showp...&postcount=641 ... this is on an Amazon, but it is the same gearbox and speedo drive as you have I think (Type D O/D). If I recall the top hat seal was completely missing from my motor car (which is why it was leaking); you may see where the seal goes in the third photo. The top hat seal solved the problem completely. It came from Brookhouse Volvo, part #380192 and cost £5.20 +VAT. Good fortune, Alan Afternote: from the photo you posted it looks like you have the wrong size O ring fitted as well, it should completely fill the well in the middle of the unit (see the photos in my link above). I'm pretty sure this is the same part as for a fuel injector (Brookhouse Volvo part #960198) - or you could just find a nitrile O ring that fits better in your local motor factor.
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... another lovely day in paradise. Last edited by Othen; Jul 18th, 2023 at 08:17. |
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