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850 Petrol Gearbox sounds

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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manovlov
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850 Petrol Gearbox sounds

Post by manovlov »

Hy Dudes,

i have a question : my gearbox has 93000. I hear my gearbox, at low speed, more than it should I think it makes a little noise, as if there was sand in it, you can hear the sprockets turning, the gearbox was emptied less than 930 miles ago. `

Should I use a thicker oil ?

Does it means that I should replace it ?

When I change a speed, I hear well the "noise" when the fork works, but the clutch has also 930 miles...

Any advice ?

Manov
850.jpg
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1995/02 850 GLT 2.5 170 Petrol M56
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wizechatmgr
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Post by wizechatmgr »

manovlov wrote: ↑27 Jun 2020, 12:59 Hy Dudes,

i have a question : my gearbox has 93000. I hear my gearbox, at low speed, more than it should I think it makes a little noise, as if there was sand in it, you can hear the sprockets turning, the gearbox was emptied less than 930 miles ago. `

Should I use a thicker oil ?

Does it means that I should replace it ?

When I change a speed, I hear well the "noise" when the fork works, but the clutch has also 930 miles...

Any advice ?

Manov

850.jpg
My first question is why did you initially replace the clutch and gearbox oil? Was the issue already present?

Did you use the official Volvo gear oil? Is the level correct after the refill was performed?
Wisdom requires knowledge as a prerequisite, but knowledge can be developed due to a lack of wisdom.
In order to learn how to fix something, you must first learn how to break it.
1999 V70 XC AWD 2.4 T -- ~231k miles
1998 V70 2.4 NA -- ~184k miles
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manovlov
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Year and Model: 1995 850 GLT 2.5 170
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Post by manovlov »

Vraoum !

I replace the clutch because he was a the end of his life. I changed the oil (OEM gearbox transmission oil) because I 've just buy the car, a sort of "0" stage.
Yes the level has been completed til where he should have been.

Manov
1995/02 850 GLT 2.5 170 Petrol M56
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scot850
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Post by scot850 »

Hi Manov. Did you replace the clutch release bearing when you swapped out the clutch?

If you didn't it may well be the bearing is failing or if you replaced ti it may be bad. As I have not had a manual trans, I don't know if there is a spigot bearing in the end of the crankshaft, and if there is if it is a brass bush or needle bearing.

If the sound changes with pressing the clutch peddle it is likely one or other of those that is bad rather than the transmission.

Was the problem there before you replaced the clutch?

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
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manovlov
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Post by manovlov »

Hy Neil,

Good question. While I was picking up th car from Amsterdam to Lyon, I didn't hear anything... I will check the list of parts I've bought when the clutch was replaced.

Thanks a lot for the "track".

Here's the parts I've bought from Skandix.
Invoice.jpg
Invoice.jpg (84.11 KiB) Viewed 973 times
Manov
By the way, do I need to buy this tool to extract the tie rods ? Does someone know the exact reference of this tool ?
Tie rod tool.jpg
Tie rod tool.jpg (13.78 KiB) Viewed 973 times
Last edited by manovlov on 29 Jun 2020, 00:00, edited 1 time in total.
1995/02 850 GLT 2.5 170 Petrol M56
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FLXC90
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Post by FLXC90 »

That tool looks like it could make the job easier, but no, you don't NEED it. It can be done with normal tools.
What condition was the old gear lube in? was it thick? maybe someone was nursing it along? Maybe it is just because the oil is clean and new. Do you have someone else with a manual 850 you could compare with?
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)
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scot850
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Post by scot850 »

My view is if the problem/noise was not there before the work, something has changed from what has been done.

Looking at the list, if there is a pilot bearing in the end of the crankshaft to support the gearbox main shaft it is not listed unless it was included in the clutch kit. My experience of clutch kits would say that it is not included.

FLXC90 makes fair comments, but to me if something does not sound right then chances are it is not.

Finally, although Volvo part numbers are listed, at those prices I would be surprised if some if any are OE or even OEM parts. Not sure who makes Volvo manual clutch parts these days, but it used to be Sachs or Borg and Beck.

Neil.
2006 V70 2.5T AWD Polestar tune
2000 V70 R - still being an endless PITA
2006 XC70 - Our son now has this and still parked in our garage
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L - Sold
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - Sold
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manovlov
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Year and Model: 1995 850 GLT 2.5 170
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Post by manovlov »

Hy Neil,

Thanks to U for your analysis. You may be right. I have to study the issue closer. I 've got a V70 from 1998 which is my donor for certain numbers of parts that go on the 850. As I've never disassembled a gearbox from an engine before, it will be for me the occasion to learn the "how to DIY" way.

Once i wil have done this, I will be able to renew the operation on the 850.

To be honest, there was a noise when I picked up the car, which came from suspensions. I don't remember gearbox noise on my way from Netherland to France.

Anyway, thanks again to share yours knowledges on that car.
Manov
1995/02 850 GLT 2.5 170 Petrol M56
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FLXC90
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Post by FLXC90 »

Yes there is a pilot bearing/bushing. I couldn't find it at FCPs site, but Volvo US showed it. 20$ part. 1397077. The Skandix clutch Kit should only be disc and pressure plate by the lower part number
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)
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manovlov
Posts: 1180
Joined: 6 July 2011
Year and Model: 1995 850 GLT 2.5 170
Location: Grenoble, France
Has thanked: 620 times
Been thanked: 143 times

Post by manovlov »

Thanks a lot Guys !

Does someone know how it is possible to extract it, I mean, a special tool ? ( after having disassembled to gbfrom the engine, I mean)

Manov
1995/02 850 GLT 2.5 170 Petrol M56
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