Volvo Community Forum. The Forums of the Volvo Owners Club

Forum Rules Volvo Owners Club About VOC Volvo Gallery Links Volvo History Volvo Press
Go Back   Volvo Owners Club Forum > "Technical Topics" > XC90 '02–'15 General

Notices

XC90 '02–'15 General Forum for the P2-platform XC90 model

Information
  • VOC Members: There is no login facility using your VOC membership number or the details from page 3 of the club magazine. You need to register in the normal way
  • AOL Customers: Make sure you check the 'Remember me' check box otherwise the AOL system may log you out during the session. This is a known issue with AOL.
  • AOL, Yahoo and Plus.net users. Forum owners such as us are finding that AOL, Yahoo and Plus.net are blocking a lot of email generated from forums. This may mean your registration activation and other emails will not get to you, or they may appear in your spam mailbox

Thread Informations

Oil Change?

Views : 1146

Replies : 20

Users Viewing This Thread :  

Reply
 
Thread Tools Display Modes
Old Jul 19th, 2018, 17:36   #11
Tannaton
Bungling Amateur
 
Tannaton's Avatar
 

Last Online: Today 01:22
Join Date: Aug 2014
Location: Beverley, East Yorks
Default

Quote:
Originally Posted by AndyV7o View Post
.... but as most engine wear happens at start-up, its not a fantastic idea.
50 years ago with primitive casting techniques, wide oil galleries and mineral based oils this was true but nowadays it is not.

There is evidence to support that wear is accelerated during a cold start but this is because of the corrosive effect of in complete combustion due to the richer mixture and cooler temperatures. Nothing to do with the oil.

Clearly if you start it with your foot hard on the throttle and rev the nuts off it before the oil system is fully pressurised, that's not good, but these days normal hot starts don't do anything untowards.
__________________
2011 XC90 D5 Executive
2003 C70 T5 GT
2012 Ford Ranger XL SC
1977 Triumph Spitfire 1500
1976 Massey Ferguson 135
Tannaton is offline   Reply With Quote
Old Jul 19th, 2018, 19:18   #12
AndyV7o
Premier Member
 

Last Online: Jun 21st, 2021 21:47
Join Date: Jun 2018
Location: Creswell
Default

The main bearings rely on hydrodynamic lubrcation to ensure they dont touch. Without this the high loads exerted upon the soft bearing shells exceeds the lubrication provided by the residual oil film. Dont know what kind of engineer you are but you should understand how soft the shell surface is and why, and why the clearances need to be maintained 👍
Not avin a stab at ya fella, just an engine isnt a basic machine which just needs to be wet with oil.
Dont get me wrong, Im not a professional engine builder or Qualified tribologist myself either!

Last edited by AndyV7o; Jul 19th, 2018 at 21:07.
AndyV7o is offline   Reply With Quote
Old Jul 19th, 2018, 21:20   #13
nrobinson
Member
 

Last Online: Aug 21st, 2023 16:18
Join Date: Nov 2002
Location: Truro
Default

Quote:
Originally Posted by AndyV7o View Post
Sump.

Also what engine, If D5, what year/euro is it? If pre '05, euro 3 dont use A5/B5 in it, it should have A3/B4, if its after 05, euro 4 then A5/B5 is specced, though you can also use A3/B4 too. You may know this, apologues for any egg-sucking tuition if so, but oil mistakes are rife on here with the early D5. If its petrol ignore me!
Hi all thanks for all the advice and interesting to see the continuing debate about the process.

Andy - can i ask about your comments here about the oil spec. Yes the engine is the d5 euro 3.
I was going to use A3/B4 as that seems to be what is specified in the handbook, but interestingly an online oil suppliers lookup for my reg suggested A5/B5 only. I would have assumed that this would have been ok and backward compatible. Is this not the case? Are there problems with this oil in older D5's?

Thanks
Nick
nrobinson is offline   Reply With Quote
Old Jul 19th, 2018, 21:26   #14
cheshired5
Premier Member
 

Last Online: Dec 26th, 2021 14:42
Join Date: Dec 2013
Location: Crewe
Default

Nick, just use Shell Helix Ultra 5 40.
It's cheap yet extremely high quality and I wouldn't use anything else on a Euro 3.

It's B4 spec for the record.
__________________
2002 S60 SE D5 Manual
209000 miles
cheshired5 is offline   Reply With Quote
The Following 2 Users Say Thank You to cheshired5 For This Useful Post:
Old Jul 19th, 2018, 21:32   #15
AndyV7o
Premier Member
 

Last Online: Jun 21st, 2021 21:47
Join Date: Jun 2018
Location: Creswell
Default

Check here https://www.volvoforums.org.uk/showthread.php?t=283503
If the manufacturer states B4 that is what should be used, B5 should only be used in engines which were intended to use it. I think the confusion arises in that all the other variants (of the same age) use A5/B5 and only the D5 uses A3/B4, whilst the euro 4 D5 uses A5/B5 inline with the rest of the range. It would follow logic that there is a reason the D5 was singled out to use a different spec than the rest of the range, and that during the euro 4 revision something(s) was(were) altered to use B5 safely where it wasnt suitable before.
A3/B4 and A5/B5 are not sequential specs but seperate (the link will explain)
AndyV7o is offline   Reply With Quote
Old Jul 19th, 2018, 21:33   #16
AndyV7o
Premier Member
 

Last Online: Jun 21st, 2021 21:47
Join Date: Jun 2018
Location: Creswell
Default

I concurr with CheshireD5, the shell is bloody good stuff, and inexpensive.
AndyV7o is offline   Reply With Quote
Old Jul 19th, 2018, 22:14   #17
XC90Mk1
Premier Member
 

Last Online: Feb 16th, 2024 14:43
Join Date: May 2018
Location: Na
Default

As Andy v70 said the engine relies on hydro dynamic lubrication and accordingly draining and flicking over is not something I would entertain in the abscence of compelling advice. I too am an engineer and disagree that it’s an idea worth trying.
XC90Mk1 is offline   Reply With Quote
Old Jul 20th, 2018, 00:17   #18
Tannaton
Bungling Amateur
 
Tannaton's Avatar
 

Last Online: Today 01:22
Join Date: Aug 2014
Location: Beverley, East Yorks
Default

Lets agree to disagree then.... :-)
__________________
2011 XC90 D5 Executive
2003 C70 T5 GT
2012 Ford Ranger XL SC
1977 Triumph Spitfire 1500
1976 Massey Ferguson 135
Tannaton is offline   Reply With Quote
Old Jul 20th, 2018, 14:41   #19
XC90Mk1
Premier Member
 

Last Online: Feb 16th, 2024 14:43
Join Date: May 2018
Location: Na
Default

Lets agree to disagree yes,

Have a good weekend
XC90Mk1 is offline   Reply With Quote
Old Jul 20th, 2018, 17:42   #20
ifzal123
Senior Member
 

Last Online: Nov 17th, 2020 19:43
Join Date: Sep 2014
Location: Birmingham
Default

Quote:
Originally Posted by cheshired5 View Post
Nick, just use Shell Helix Ultra 5 40.
It's cheap yet extremely high quality and I wouldn't use anything else on a Euro 3.

It's B4 spec for the record.
Xc90 2004 d5

Since ownership of nearly 5 years, I've always used Castrol 0w30 a5/b5.

This year I switched to shell helix ultra professional AF 5w 30 and I've noticed an improvement in the mpg. I've never had
Good mpg but the increase from 21 to 24 mpg locally is a lot better
ifzal123 is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +1. The time now is 08:34.


Powered by vBulletin
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.