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Old 27-09-13, 12:30 AM   #1
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Question 2lt 136 HDi Auto gearbox

Well cambelt water pump and rad flush and full filters full synthetic oil in done .....
Next the gearbox , seems a bit sluggish to change and when it Dose, it is a jerk ..holds on to a gear for too long, on low speed build 2k + before dropping a gear ?.When using floor pedal quite hard work to build speed ,and a laboured change ,but on cruise resume.. off like a blooming rocket !!!! 115k miles time to change the autos fluid ? The cooler, will it empty when drain plug is removed , Will it need to be flushed to get it all new fluid .Thinking about this as going to be fitting tow bar for a caravan in the new year.
Any links or suggestion's appreciated

Remap next week, ERG blocked off now, will map out. Perhaps the updates will affect the autos changing pattern ?? cheers Kim
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Old 27-09-13, 07:34 AM   #2
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I did a oil change on my car 4months ago. Do you have 5 speed auto or 6?
They are quite different, the 6 speed being worst to maintenance. I investigated a lot on this before i decided to change the oil. Peugoet says that the 6 speed gear boxes never has to change the oil, and its "sealed for life"..Sounds good to be true? The only thing they could do was to check the oil level and change the 3liters of oil that is in the sump. And then top it up agian. So I went to a local automatic gearbox workshop, and they carried out a full service/flushing on my gearbox

I was a little skeptical about the flushing, since our cars don`t have any gearoil cooler outside the gearbox. But this place had a special flushing machine, that preheats the new oil and they where able to flush just by using the filler and drain hole. So they where able to clean out all the old oil(7.5L)The guy that carried out the service told me that they had to use 20L trans fluid to get it clean He also told me that the oil looked like "old fri oil" , so this service was a very vice decision. The car has about140000km(87000miles) on the clock.

Now the gearbox changes gear even smoother and works a lot better..
Yes, it costs some money, but it was worth it. And now I sleep at night

So thats my story on the gearbox..
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Old 27-09-13, 09:37 AM   #3
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Thanks, my gearbox is a BVA4 / AL4 so 4 forward and one reverse The cooler according to Haynes is on the rear of the gearbox page 7B.5....This system is like a manual ....on my Volvo I used an 12 pump and tube down the filler pipe and sucked it all out. On the AL4 the fluid cooler must be a bit higher than the sump drain as it will not need to be emptied on its own, unlike AM6 which it would seem has to be drained individually.
I think you did the right thing because sump and cooler holds 4.5 lits leaving 1.5 lits still in the torque converter.Perhaps a flush under pressure ?To clean my Volvo I changed the fluid each weekend over 3 weeks ,each change got redder and redder as the large external cooler got run through......Anyone done their own ?? Kim
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