IPD sale XeMODeX - Experts in Volvo Electronics
Did you know? 🤔
Logged in users can get email notification of topic replies Log in or register (free).
Amazon Link Buy anything with this and it helps MVS!

Turbo: back plate turbine loose..

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

850T5Ritalia
Posts: 23
Joined: Fri Oct 11, 2019 2:19 am
Year and Model: 1995 T-5R
Location: Earth
Has thanked: 1 time
Been thanked: 1 time
Italy
850T5Ritalia

Turbo: back plate turbine loose..

Post by 850T5Ritalia » Thu Oct 31, 2019 7:57 am

Hi again,

In my quest to solve some isssues I split the turbo from the exhaust turbine housing to take a closer look at a crack I found in that exhaust turbine housing. Before separation I already heard a bit of grinding noise when rotating the turbine from the intake side. I was assuming excessive shaft play was the cause and the turbine was grinding the housing.. after separating the turbo I found the backplate to be loose. Question: why is this possible in the first place lol and can it be fixed.
Attachments
0EA70856-2F60-4A70-BFEC-1ABB5B47FED5.MOV
(5.64 MiB) Downloaded 9 times
12A4DF6E-FCE0-4EBD-AF29-71E5FFDBEB36.jpeg

User avatar
abscate
MVS Moderator
Posts: 21118
Joined: Sun Feb 17, 2013 5:54 pm
Year and Model: 99T5 ,99S70,2005V70
Location: NYC, ALBANY NY
Has thanked: 318 times
Been thanked: 989 times
Trinidad & Tobago
abscate

Re: Turbo: back plate turbine loose..

Post by abscate » Thu Oct 31, 2019 8:44 am

Radial play 0.006 “ and axial play 0.003”

Does that plate get tensioned when you pu the sandwich Back together ?
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
Link To Volvo Glossary

850T5Ritalia
Posts: 23
Joined: Fri Oct 11, 2019 2:19 am
Year and Model: 1995 T-5R
Location: Earth
Has thanked: 1 time
Been thanked: 1 time
Italy
850T5Ritalia

Re: Turbo: back plate turbine loose..

Post by 850T5Ritalia » Thu Oct 31, 2019 11:04 am

abscate wrote:
Thu Oct 31, 2019 8:44 am
Radial play 0.006 “ and axial play 0.003”

Does that plate get tensioned when you pu the sandwich Back together ?
I think I fixed it haha. It seems the two parts weren’t snug together. I tightened the clamp further and now it spins freely.. it felt unnatural to tighten that clamp so far tho. Probably the rusty surface of the pieces made it somewhat harder to get the pieces together tight enough.

Post Reply
  • Similar Topics
    Replies
    Views
    Last post