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Latest on belts?

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Old May 12th, 2021, 16:52   #21
Clan
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Quote:
Originally Posted by ferg55 View Post
I think we're talking cross purposes, I'm not suggesting the schedule states replace the tensioner each & every 54k (albeit we're all in agreement it's sensible to do so), I'm suggesting the scheduled replacement at 108k surely only applies once you have had the original replaced, and that it should be replaced either upon recall (or by 54k miles latest, or something along those lines). Newbies reading this post up to the point I chimed in could have come away thinking their original tensioner can run for 108k, and that just didn't sound correct to me.

Clan, I was sure it is the tensioner and not the belt which is the primary cause based on Volvo issuing four recalls specifically for tensioner failure, see below. Or maybe I'm missing something. I thought they had redesigned it several times to address the problem?

AUXILIARY DRIVE BELT MAY DETACH
Recall number
R/2010/033

Recall date
01-04-2010

Recall type
Safety recall

Reason for recall
The Auxiliary Belt Tensioner may fail resulting in loss of Power Assisted Steering and loss of Drive


ENGINE MAY LOOSE DRIVE AND POWER STEERING ASSISTANCE.
Recall number
R/2011/175

Recall date
23-12-2011

Recall type
Safety recall

Reason for recall
The auxiliary drive belt tensioner may fail. This can lead to loss of steering power assistance and a slight possibility of loss of drive should the drive belt or tensioner invade the cambelt area.


LOSS OF POWER STEERING ASSISTANCE
Recall number
R/2013/140

Recall date
28-11-2013

Recall type
Safety recall

Reason for recall
The auxiliary drive belt tensioner can suffer from premature wear which may cause it to fail. This can lead to loss of steering power assistance and a slight possibility of loss of drive should the drive belt or tensioner invade the cambelt area.


ENGINE MAY LOOSE DRIVE AND POWER STEERING ASSISTANCE.
Recall number
R/2010/058

Recall date
26-05-2010

Recall type
Safety recall

Reason for recall
The auxiliary drive belt tensioner may fail. This can lead to loss of steering power assistance and a slight possibility of loss of drive should the drive belt or tensioner invade the cambelt area.(and I do agree that it you may as well do it anyway given the low price of the part),
It took them a while to find out that it was the belt failing rather than the tensioner . due to severe tugging on the belt on the first few firing strokes after start up .


Older pre 2007 thick wide aux belt no problems .
New models :
2008 std tensioner but thinner narrower Aux belt for the new Mk 3 cars which are pendulum mounted .
2010 a mod introduced to fit a hydraulic tensioner at the factory .
2012 - 2014 ish still a problem
so final Dealer mod to drill the block to refit the original tensioner and a new more compliant belt introduced .
2014 the above being done in the factory now for the remaining engines until the 5 cylinder phased out .

Its always worth asking the dealer if all the remedial work has been carried out .. or any outstanding ...
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Old May 12th, 2021, 17:10   #22
Kev0607
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Thanks for that info. So the ones with issues were 2010-2014, which were done under recall. After 2014, it was done from the factory.
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Old May 12th, 2021, 21:35   #23
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Thanks for clarifying Clan.

Quote:
Originally Posted by Kev0607 View Post
Thanks for that info. So the ones with issues were 2010-2014, which were done under recall. After 2014, it was done from the factory.
I understand Clan's timeline as follows: P3 cars affected from introduction in 2007, until they spec'd the wider belt in 2014?

Last edited by ferg55; May 12th, 2021 at 21:55. Reason: typo
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Old May 12th, 2021, 23:30   #24
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Originally Posted by ferg55 View Post
Thanks for clarifying Clan.



I understand Clan's timeline as follows: P3 cars affected from introduction in 2007, until they spec'd the wider belt in 2014?
Not necessarily. Not all P3 cars needed a new tensioner, just the ones from 2010 onwards. However, recalls were only done on the 2012-2014 models. The other years had the changes required done at production.

2008 cars have a narrower belt (just a standard tensioner).

2010 - Mod fitted so a hydraulic tensioner was used (factory).

2012-2014 - Mod fitted again to reuse the old style tensioner, with a new belt design (recall).

2014 onwards - Mods done from factory until the 5 cylinder engines were phased out.
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Old May 12th, 2021, 23:46   #25
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Quote:
Originally Posted by Kev0607 View Post
Not necessarily. Not all P3 cars needed a new tensioner, just the ones from 2010 onwards.

2008 cars have a narrower belt (just a standard tensioner).
By affected, I meant that whilst pre-2010 didn't need a new tensioner, sounds like they did need an upgraded belt.
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Old May 13th, 2021, 00:00   #26
Kev0607
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Quote:
Originally Posted by ferg55 View Post
By affected, I meant that whilst pre-2010 didn't need a new tensioner, sounds like they did need an upgraded belt.
Yes, a slimmer belt was used on the pre-2010 models & the older tensioner was used... this wasn’t done under recall though (done from production). The older P2 models used a thicker aux belt.

Its also worth nothing that the P2 models had one long aux belt. My S80 P3 has an aux belt & a separate a/c belt.
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Last edited by Kev0607; May 13th, 2021 at 00:09.
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Old May 13th, 2021, 00:18   #27
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Originally Posted by ferg55 View Post
Thanks for clarifying Clan.



I understand Clan's timeline as follows: P3 cars affected from introduction in 2007, until they spec'd the wider belt in 2014?
better quality belt rather than wider , more able to withstand the massive jerk as the engine fired .
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