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PostPosted: Tue Sep 08, 2020 10:53 am 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
I got a low coolant level warning while driving on the M25 on Saturday afternoon. By taking it easy and keeping an eagle eye on the temperature gauge I managed to make it the 25 or so miles home. I’ve added about a litre of coolant this morning and the warning went away. However, after a short drive it’s back and the level in the reservoir has dropped quite a bit.

I’ve read this thread - viewtopic.php?f=2&t=132080 and had a good nose under the bonnet. There is a visible leak at the back of the engine where three hoses meet so it looks like the heater bypass valve is the culprit. Does this sound like a correct diagnosis?

My usual mechanics can’t fit me in this week. I was going to take the car to Saab & Vauxhall in Benfleet anyway as they’re not too far from me in order to get a couple of other things attended to but I phoned them yesterday and Dave said that he has a large hole in the road outside his workshop making it difficult for him to actually get in and do anything so can’t go there this week.

It seems like the part can be obtained pretty easily from a Vauxhall dealer so anyone halfway competent should be able to do it shouldn’t they, including sourcing the part? In the meantime, driving the car is presumably not a good idea.


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PostPosted: Tue Sep 08, 2020 12:04 pm 
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Saab Nut

Joined: Tue Mar 25, 2014 5:41 pm
Posts: 1528
Location: Kippen STIRLING
Car Models: 9-5s of most types '02 - '08
soupttwist,

This is a fairly common fault. I had it about 2 weeks ago. You will need a good pair of pipe wrenches to hold open the hose clips, they are pretty strong. The 3 water hoses pull off, as does the vacuum pipe. Once off you will find an electrical connector attached to the back. This just slots in. I re-attached the new valve to the bulkhead with a cable tie.

Paul @ Kippen


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PostPosted: Tue Sep 08, 2020 12:21 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
Thanks. I probably won't do it myself as my spannering skills are practically non-existent. Where did you get the part from please?


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PostPosted: Tue Sep 08, 2020 1:06 pm 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 42382
Location: SW Herts
Car Models: 2007 9-5 Aero est. 300hp Hirsch. 9-3 2010 9-3 Carlsson
Part number is 90566947.

You can get it from a Saab specialist dealer like Saabits. www.saabits.com Look at posts here by BillJ who owns Saabits and offers a discount code in his signature under a post.

But you can also get this part, with the same part number, from Vauxhall dealer, and it may be a bit cheaper than Saab prices.

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PostPosted: Tue Sep 08, 2020 1:18 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
Thanks. Couldn't find it on Saabits website earlier but tried with the part number and hey presto, there it is for £59.10 and special order with 2 working days for despatch.

I phoned local Vauxhall dealer but they have to be ordered from Germany with a 10 day lead time. Part number has been changed to 95517483 according to the person I spoke to.

Pattern part available here for quite a bit less - https://www.amazon.co.uk/febi-bilstein- ... op?ie=UTF8

Worth a punt on the pattern version or not?


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PostPosted: Tue Sep 08, 2020 1:35 pm 
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Light Pressure Turbo
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Joined: Tue Jan 15, 2013 7:20 pm
Posts: 587
Car Models: 2006 9-5 2.3 HOT Aero Estate
Try all the suppliers who support the forum as this is a COMMON fault. I've had 2 fail in different vehicles. Also try the well known auction site!

It really is a doddle to DIY but the correct pipe clip pliers are ESSENTIAL if you're not confident. First fix took me over an hour (included taking one off a donor) with 'decent' pliers....and maybe an expletive or 20!!

2nd time around it was 10 mins max with the correct pliers (£8 from fleabay)!!

https://www.ebay.co.uk/itm/273850509461

Once it's in, top up coolant and job done.


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PostPosted: Tue Sep 08, 2020 2:07 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
Thanks for the link to the tool, does it have to be the 45 degree angled version?
Also, does it involve much loss of coolant? I've literally just had the drive paved and I don't want to dump a load of coolant on it.


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PostPosted: Wed Sep 09, 2020 3:40 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
Well, I have ordered a valve from one of the parts suppliers which advertises on here. I have also ordered a tool like the one recommended by BigHal. I did see a video describing the replacement which used flexible hose clamp pliers like this - https://www.amazon.co.uk/Blue-Spot-0792 ... B01IFFV97E but having looked again under the bonnet it should be pretty easy to get the other type in position to remove the hose clips. Should all arrive tomorrow or Friday.
Wish me luck...


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PostPosted: Wed Sep 09, 2020 5:16 pm 
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Saab Nut

Joined: Tue Mar 25, 2014 5:41 pm
Posts: 1528
Location: Kippen STIRLING
Car Models: 9-5s of most types '02 - '08
I got one from EuroCarParts for about £11. Had to travel to a Glasgow store to collect it though.

Paul @ Kippen.


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PostPosted: Fri Sep 11, 2020 1:37 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
I spent 90 minutes of swearing and scraping skin off my forearms in removing the old valve and installing the new one. To be fair I think that had quite a bit to do with the standard of hose clip pliers I bought. The end of one of the arms broke off on the first attempt to use it (the bit with the groove in). I might have been better off getting the flexible wire version. The valve itself is no longer as neatly positioned as it was but that's not the end of the world

Anyway, coolant is topped up and I went for a quick drive which revealed no problems. Thanks all for your help.


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PostPosted: Fri Sep 11, 2020 1:41 pm 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 42382
Location: SW Herts
Car Models: 2007 9-5 Aero est. 300hp Hirsch. 9-3 2010 9-3 Carlsson
Well Done! :)

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PostPosted: Fri Sep 11, 2020 4:24 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
Of course, things are never as good as they seem. Having tested the car without problems, I parked it on our newly paved drive and upon going out about an hour later noticed two places where clearly something has leaked from the engine. There's no dampness around the new bypass valve so I guess it was just residual coolant that had come out when I disconnected the pipes (there was more than I had expected).

And, possibly worse, I had put my wedding ring for safekeeping in the cubby hole under the arm rest while I fitted the valve. It has fallen through a gap in the cubby hole (looks like there is a removable inspection panel missing in there) and is now sat under the handbrake cable. I'm going to end up paying someone more in labour to dismantle the trim around the handbrake and transmission tunnel to retrieve the ring than I would have paid for them to replace the valve. Why do I bother :-)?


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PostPosted: Sun Sep 13, 2020 10:24 am 
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Saab Nut

Joined: Tue Mar 25, 2014 5:41 pm
Posts: 1528
Location: Kippen STIRLING
Car Models: 9-5s of most types '02 - '08
soupytwist,

With me it's usually my specs. I take them off and lay them on the wing edge, forget about them and close the bonnet on them. So far I've managed to straighten them again. Now I try to remember to put them on the top of the dash. Along with the keys so I am not tempted to try to start the engine while I am working on it !

Paul @ Kippen


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PostPosted: Sun Sep 13, 2020 2:12 pm 
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Joined: Thu Sep 01, 2005 5:31 am
Posts: 5619
Location: Bucks
Car Models: Saab NG 9-5 Aero
soupytwist wrote:
Of course, things are never as good as they seem. Having tested the car without problems, I parked it on our newly paved drive and upon going out about an hour later noticed two places where clearly something has leaked from the engine. There's no dampness around the new bypass valve so I guess it was just residual coolant that had come out when I disconnected the pipes (there was more than I had expected).

And, possibly worse, I had put my wedding ring for safekeeping in the cubby hole under the arm rest while I fitted the valve. It has fallen through a gap in the cubby hole (looks like there is a removable inspection panel missing in there) and is now sat under the handbrake cable. I'm going to end up paying someone more in labour to dismantle the trim around the handbrake and transmission tunnel to retrieve the ring than I would have paid for them to replace the valve. Why do I bother :-)?

Old wire coat hanger, cut the long straight bit our and bend one end into a U shape, should be easy enough to fish the ring out.


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PostPosted: Sun Sep 13, 2020 2:24 pm 
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UKS Encyclopædia G-M
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Joined: Sun Aug 15, 2004 9:39 am
Posts: 42382
Location: SW Herts
Car Models: 2007 9-5 Aero est. 300hp Hirsch. 9-3 2010 9-3 Carlsson
You can pull the back panel of the console off. I don't know whether it will give enough access though.

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PostPosted: Sun Sep 13, 2020 7:05 pm 
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Joined: Thu Sep 01, 2005 5:31 am
Posts: 5619
Location: Bucks
Car Models: Saab NG 9-5 Aero
BigHal wrote:
Try all the suppliers who support the forum as this is a COMMON fault. I've had 2 fail in different vehicles. Also try the well known auction site!

It really is a doddle to DIY but the correct pipe clip pliers are ESSENTIAL if you're not confident. First fix took me over an hour (included taking one off a donor) with 'decent' pliers....and maybe an expletive or 20!!

2nd time around it was 10 mins max with the correct pliers (£8 from fleabay)!!

https://www.ebay.co.uk/itm/273850509461

Once it's in, top up coolant and job done.

My inclination would be to cut the ********* things off and refit with stainless steel jubilee clips


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PostPosted: Mon Sep 14, 2020 6:42 am 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
I went through the house looking for a wire coat hanger on Friday, apparently we only have wooden ones these days. There's bound to be something that could do with a dry clean though.

I got the back panel of the console off too, but that doesn't give the right access sadly.


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PostPosted: Mon Sep 14, 2020 11:24 am 
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Joined: Thu Sep 01, 2005 5:31 am
Posts: 5619
Location: Bucks
Car Models: Saab NG 9-5 Aero
soupytwist wrote:
I went through the house looking for a wire coat hanger on Friday, apparently we only have wooden ones these days. There's bound to be something that could do with a dry clean though.

I got the back panel of the console off too, but that doesn't give the right access sadly.

I have several wire coat hangers, and a roll of fence wire of a similar diameter, but Braintree is a bit of a slog for a length of wire.


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PostPosted: Sat Sep 19, 2020 5:47 pm 
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Joined: Tue Apr 14, 2020 2:29 pm
Posts: 37
Location: Braintree, Essex
Car Models: 57 plate Saab 9-5 1.9 TiD Estate
Good news! Unexpectedly found a wire coat hanger in the garage this afternoon and after a bit of bending it into shape with some pliers was able to retrieve the ring quite easily.

The car's going to Saab and Vauxhall on Wednesday to get the headlights sorted out and a couple of other little things so that's one less thing to get him to do.


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PostPosted: Sat Sep 19, 2020 6:58 pm 
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Joined: Thu Sep 01, 2005 5:31 am
Posts: 5619
Location: Bucks
Car Models: Saab NG 9-5 Aero
soupytwist wrote:
Good news! Unexpectedly found a wire coat hanger in the garage this afternoon and after a bit of bending it into shape with some pliers was able to retrieve the ring quite easily.

I would have been stressing about losing my wedding ring, glad you have retrieved it.


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