Saab 9-5 DIY: Coolant Bypass Valve Replacement - Trionic Seven

[@EasyFlows]

Än idag hjälper du folk med dina videos. Stort tack!

[@asgpu414]

I just did this job on my '08 9-5. I was an idiot and thought I wouldn't need that clamp tool. I was wrong, drove up to the Auto Parts store and got one for 30 bucks halfway through the job. Get one of these tools, it is near impossible without it!!!

[@NguyenNguyen-uj8sq]

I've done this repair before. It can be a pain in the butt but this video is very helpful. Good job!

[@TrionicSeven]

Glad you liked the vid!

[@rickfoster5859]

Got my 1st Saab a couple mo ago, 2002 95 ARC wgn, and I've been going thru things. after finishing all brakes, rotors and brake fluid flushing, I saw coolant leaking aft of engine and for the life of me couldn't see it. One again friend, your video helped IMMENSELY! If you and your's should ever travel to Oregon in the US I owe you a bed and a good meal!! Thanx!

[@TrionicSeven]

That's nice to hear! I'll have to remember that if I ever get to Oregon!

[@2steaksandwiches665]

So useful. This is what I seem to be dealing with on my 2008. I’ve decreased everything in the engine compartment. Thank you from USA!

[@ronnims9847]

If you don't have fancy wire hose clamp pliers, we found vise-grips were a good choice. You could "lock" the clamp open and work it back from the heater valve. Great video thanks.

[@makacarp]

This video just saved me hours of frustration! I always maintain my own car, and luckily my 2004 9-5 has been performing very well without a problem. A coolant leak started recently, from the same location as described in this video. From underneath, the hose looks okay. I'm going to take a chance and replace this valve with a URO aftermarket valve. I think this will fix my problem. THANK YOU Jonathan! -Matt, Atlanta, Georgia

[@TrionicSeven]

Glad I could help! That valve can be a frustrating find, but not that hard to fix when you have the tricks in my vid!

[@makacarp]

I just finished the repair today. You definitely need the hose clamp pliers that Jonathan recommends. A quality tool is expensive (Sears cost me $40), but it'll be very difficult to try to use pliers on these hose clamps. I decided to try an aftermarket replacement valve - the genuine Saab valve was about 115 USD, vs. a Uro from rockauto.com at $15 + shipping. About two hours total time (I'm a little slow), but it was perfectly described in the video.

[@TrionicSeven]

That's great to hear. I was able to get a cheap hose clamp tool ($15) so it wasn't too bad.

[@Int5u]

I did it on my 1998 Saab 9-5 and it worked. Problem solved. No more leak. Thank you!

[@TrionicSeven]

Glad it worked for you!

[@darek5809]

Thank you ! Midas shop located leak but I have to change this valve on 2007 Saab 95 with 130500 km.Great video !

[@BWTECH0521]

I am dreading this job but you explained it fantastically. Thank you so much!

[@kerrpapa]

Thank you for your video and help! I just replaced the thermostat and bypass valve on my daughter's 2003 9-5 Aero wagon. Your video was my guide. Thanks again!

[@TrionicSeven]

Glad I could help!

[@jlindborg1105]

Hi! I would like to add something that also could be a problem when you have a leak from that area and that is that one of the hoses can leak from the connection to the valve and makes you think that it's the valve itself that leaks. I have that problem. I replaced the valve yesterday and drove off. After about 10km later the coolant level warning message popped up agan... Arrrrgh! I drove off to a gas station and noticed that it still leaked. One thing to remember from my experience is that I reused the original hose clamps because I didn't have the screw on clams. I will recheck today with new stainless steel screw clamps and give you a heads up on my progress. Cheers! PS. Good videos you guys are making!

[@TrionicSeven]

+J Lindborg Thanks for your input!

[@jlindborg1105]

+Trionic Seven: For Saab Enthusiasts Hi! I did confirm that I had a tiny hole a few centimeters from the heater valve that squirted towards the valve masking it to be a faulty valve. But hey, that was my care. Rest assured, someone else may have a faulty heater valve. Cheers!

[@TrionicSeven]

Glad you solved it!

[@tiagoluna1942]

Hi Jonathan! I did this job today on my 9-5. Your video was very useful. Tack!

[@TrionicSeven]

Glad you liked it!

[@alexsaab8089]

My mechanic said he wouldn't touch it so I'm going to do it myself! Probably save a couple bucks and might as well change the hoses. Thank you!

[@TrionicSeven]

Yep, easy DIY!

[@AndrewAliferis]

Great video. I appreciate your diligence​ and care that you take doing all these tasks.

[@TrionicSeven]

Thanks!

[@markmartin-dye6600]

Superb video. I managed the job with regular pliers, although there was a bit of swearing. Anyway, I owe you a beer. Several beers in fact, as I got the replacement valve for £9. Give me a shout if you visit England. Thanks again!

[@Mephi25]

Tack för en bra beskrivning.. Bytte precis detta på en saab 9-5.. får hoppas de slutar läcka nu, men allt pekar på att det är den..

[@chrishart9926]

great really helpful, I would never have fiquared this out! five stars!

[@TrionicSeven]

+Chris Hart Glad I could help! :)

[@FoolishlyPatient]

Thanks so much for doing the video! Took me about 30 minutes and not too bad if you have the right hose clamp removal tool..

[@TrionicSeven]

+FoolishlyPatient Glad I could help!

[@pTrzor]

Thanks for all your videos. I know it's old but the small connector at 3min25 is disconnected on my saab aero. Do you know why and the name of this connector? What's for? Thanks again!

[@GREGOR7711]

Hej, Tack för detta fina video. I think you are Swedish. So I write to you in swedish. Jag fick samma bekymmer idag. Tror jag..... Men jag undrar bara, var har du köpt det speciella verktyget du visar i filmen? Bytte du klämmorna också? Var köpte du dom i så fall och vad heter dem? Tacksam för svar. Med vänlig hälsning Gregor

[@luckyrockmore2796]

I replaced the bypass valve a year ago and as months went by winter came and my heater wasn't working. Is it possible that if I reversed the hoses that this would be the culprit of no heat? Just curious and thanks for all you do.

[@filmtajmm]

As usual a great video! Thank you!

[@TrionicSeven]

+filmtajmm Thanks! :)

[@tommyborovac1343]

Är det en form av magnetventil som hänvisas till på vissa forum som svar på p1110 när det inte är fel på Avlastningsventilen? Vissa skriver att man måste byta magnetventilen vid torpedväggen.

[@dappawap]

What is a coolant bipass valve? is this to divert coolant to the heater or is it another purpose?

[@loumnar54]

Just experiencing this problem now on vacation in BC, Canada while the temperature is hot. Hopefully it is only one of the 3 hoses connected to this bypass valve.

[@TrionicSeven]

Shouldn't be too difficult to fix, good luck :)

[@waihekeman]

Great video thanks! I'm in New Zealand and my 02 9-5 Aero (Right Hand Drive) just started dripping water - especially after I filled the coolant tank. I can't get much under her yet but it looks like it is coming from above the waterpump somewhere ie the opposite side from where you were leaking. Any ideas? Thanks

[@TrionicSeven]

+waihekeman Hey! In my (actually quite limited) knowledge I can only think of the water pump being in that area. There might also be some hoses going to the radiator, but I'd advise you to ask on a Saab forum to see if there is any common issue like yours. Also, I'd love to go to NZ some day! :)

[@daDaVoRee]

greetings 01 9-5 aero estate in New Zealand too.... looking for how to replace a water pump. do you still own your Saab? I'm in Palmerston North - peace

[@derekmarquardt2199]

I've read that you can remove the bypass valve and it'll give you a blow off valve sound. How would I go about removing it correctly so no damage is done? Is it as simple as removing the BPV and capping all open holes?

[@TrionicSeven]

+Derek Marquardt You are confusing the coolant bypass valve with the air dump valve. They are two completely different things.

[@ryanb5189]

I did this coolant bypass valve replacement, and now my heater is only blowing cold air. Perhaps I got an air bubble in the cooling system. Have you heard of the best way to bleed the air out when it's not going out by itself? Thanks for the helpful videos and advice!

[@TrionicSeven]

The 9-5 bleeds itself after 10-15 minutes of engine idle. Make sure the coolant is topped up.

[@ryanb5189]

Thanks. I realize now that I had accidentally switched the two hoses on the passenger side of the valve when I attached them to the new valve. Next time I'll definitely label hoses before removing them.

[@TrionicSeven]

Glad you found it!

[@sammylee9810]

I'm having no heat as well after replacing this. could the valve be defective? it fixed the leak alright but no heat, actually very sporadic heat, most of the time there's no heat. I've labeled the hoses when disconnecting as 'top' and 'bottom' and put them back the same back, they couldn't have switched the connector on the valve, could they? temp gauge is normal (goes to halfway point between cold and hot), I was thinking of changing thermostat but if gauge is normal, probably not thermostat right?

[@RandyBsae]

Sammy Lee Did you eventually figure out what the problem was? Did you reverse the hoses?

[@dw-ie2my]

What were the sizes and lengths of the vacuum hoses you replaced? Thanks

[@Antonio-og8bi]

My saab 9-5 is always providing heated air via climate control. Is it possible it is due to the by pass valve fault?

[@LSWhat87]

I'm about to do this on my 2004 9-5 because I have a bad leak on the valve when I use my AC and I noticed the current bypass valve hoses are held on by the worm drive clamps. Would you suggest replacing them with the clamps you have or keeping the worm drive ones? Thanks!

[@TrionicSeven]

Clamps are cheap and will save you the headache of leaking coolant in the future. I would def. replace them!

[@LSWhat87]

+Trionic Seven: For Saab Enthusiasts Thank you, sir

[@ubergama30]

by the way @ 3:25 im pretty sure you dont have to remove those clips, you can just press down on the metal clip, and the connector will come free

[@CameronAudet]

should I disconnect the battery before unplugging and plugging in the wiring harness?

[@TrionicSeven]

Don't think it's necessary, I didn't unplug the battery.

[@joseminchoca477]

Thanks for your video and your very specific on your video 🌟🌟🌟🌟🌟

[@toddmgreenwood]

great video thanks!. fixed problem - so far no leaks. I was able to do this myself in 2 hours. i too dropped the clip - do you know where you can find another?

[@TrionicSeven]

Sorry, don't know. Good you could do it yourself!

[@Favoritter11]

Like your videos...great work THANKS!

[@TrionicSeven]

+Favoritter11 Thanks, glad to help! :)

[@sindre9870]

Thanks for the video, helps alot!

[@Mogman150]

I replaced this valve with your help (thanks!) and it did stop the leak. I now have heat dumping out the rear seat vents even when the AC is on. The AC is blowing cold out the front vents, so I'm not sure what is happening. Is the ACC controlling this? Thanks,

[@TrionicSeven]

Did you put the pipes on in the right order? If you put it the wrong way back you inverted the valve function.

[@Mogman150]

@@TrionicSeven My blend door actuator lever was broken... :( Now fixed.

[@jsmunitions1471]

What exactly is the reason for / function of this valve?

[@johnludwig2798]

I have had coolant in the same area as described in the video. I'm just wondering if the heater core were leaking, would the coolant collect in the same place - behind the front wheel driver's side about 30 cms in?

[@TrionicSeven]

Good question, I have never had that leak so I can't comment on that more than I have heard that it usually manifests as leaking to the car floor inside, and not outside.

[@mickeydee4954]

Thanks for the vid, as again you are a great help!!

[@TrionicSeven]

Glad I could help! :)

[@simonvs5401]

Around what mileage can the valve fail?

[@cecilia-edwinklaassen-punt4040]

Thanks for a great DIY video. Where in Sweden can I buy the wire-operated hose clamp pliar ? Mekonomen Verktygsboden Biltema?

[@TrionicSeven]

I bought mine from Biltema, although the quality isn't too good. Gets the job done though, but you need strong hands.

[@skimaticsnz]

Hi - love your work. Can you do one on flushing the core heater as I haven't been able to find this for a 95?

[@TrionicSeven]

+skimaticsnz Are you talking about a coolant flush?

[@skimaticsnz]

how the flush the core heater specifically when it becomes blocked. i.e. the heater is not producing much heat.

[@TrionicSeven]

Gotcha. Sorry, I don't have such a video planned at the moment. In the future, who knows? :)

[@skimaticsnz]

OK cheers

[@garypowell4565]

I was reading somewhere that the bypass valve can be taken out and just run to hoses to the heater core, Mckay kit. Do you know anything about it, and would you recomentd it?

[@TrionicSeven]

Saab ditched the valve altogether in 2002, so you can probably do this without issues.

[@garypowell4565]

Trionic Seven thanks, I got it done. So much better without all them hoses.

[@98LS100]

Hello trionic Seven. I have a Saab 9-3 that is leaking coolast flugit but as in this video i can not se where it leaks. I just need to refillkort the coolant very often. Could IT be the same problem as you had o your Saab 9-5 or can IT be something else? BMW Love your videos IT helps alot. Keep up the good Work!

[@TrionicSeven]

BMW? ;) The 9-3 is probably very different, depending on the model year. Coolant loss can be very bad news (head gasket), so you must find the reason why the water is disappearing!

[@98LS100]

Oh sorry i mean Btw. But thanks for the answer

[@sammylee9810]

Is this coolant bypass valve same as a 'heater control valve'? the shop I took my car to said my 'heater control valve' needs to be replaced - my saab 9-5 2006 is leaking coolant; I would have had them fix it but they couldn't find this part locally. so now I'll try to get the part myself and replace it. I tried searching for 'heater control valve' but it mostly came back with 'heater bypass valve'. thanks!

[@TrionicSeven]

Yes, I think it's the same. However, your 2006 will not have such a valve, as it disappeared with the 2002 model year.

[@sammylee9810]

hmmm ok, i'm not so sure. I went to eeuroparts.com and it shows up there. anyway, I'll take it apart and check it out. thank you!

[@TrionicSeven]

I'm actually not sure! Why don't you ask this question in our new comunity group? facebook.com/groups/733705113501723/

[@sammylee9810]

ok no problem. I'm quite sure it will apply to my car. since the shop I went to even told me I need a heater control valve.

[@meeshgravano5950]

im about to do this job my 2004 SID was showing P0116 code. im not sure if the current heater bypass valve itself isnt faulty. so im gonna buy the new one to go on car. my temp needle in car sometimes dont move an other times it goes half way as if normal. i have the hose thermostat n sensor just need new heater valve n then i can tackle job..

[@TrionicSeven]

Seems like you have a bad thermostat or temp sensor.

[@meeshgravano5950]

Trionic Seven the code still says P0116 Engine Coolant Temp. Sensor 1 Circ. Range Performance on my CAN OBD II CEN TECH CODE READER...wecouldnt put new thermostat in car because auto shop sold me a thermostat without a bleeder hole in bottom of it and did not give me new rubber seal for new thermostat. we did put new hose on that car needed badly and new temp sensor uses 19mm deep socket to remove and re-install.

[@TrionicSeven]

Sounds like that thermostat is some cheap copy. The real OEM thermostat has a bleeder hole and an O-ring. Get the real stuff, you'll regret it otherwise.

[@happosade1]

Kiitos loistava Tack

[@briankinney8647]

Does this hold true for a 2006 2.3?

[@rayrizzle1987]

what is the name of the part you removed at 3:30 ? i broke the nipple off of it . I believe it goes to the turbo bypass control

[@TrionicSeven]

Are you referring to the wire fastener?

[@Sairesilly]

So is it cool to drive for like four days at most until I get the part in? As long as I keep coolant in?

[@TrionicSeven]

Well, you must be absolutely sure you don't run out of coolant. Remember than a small leak quickly can develop into a bigger one. I would not drive it.

[@Sairesilly]

My uncle is going to fix it on Saturday. He's fixed the same issue in a few cars, just never in a Saab....any helpful tips

[@TrionicSeven]

Well, the video contains all the tips I have! Check for tools etc.

[@jamesthomas-uc9wq]

Is there a way of bypassing this valve when it starts leaking? Mine just gone and can't get a replacement quickly. Thanks

[@TrionicSeven]

You might be able to use a T-connector to connect all three coolant hoses. However, your AC performance will suffer greatly.

[@jamesthomas-uc9wq]

Thank you, it's only so that I can drive the car until I get the part

[@TrionicSeven]

Thinking about it, the hoses are of different diameters. Perhaps (but I'm not sure) you could plug all three hoses, however you'll have no heat in the cabin. Perhaps you can live without it since it's summer!

[@BillBill-lj8bm]

Can anyone tell me exactly where does the vacuum line coming out of the top of the bypass valve connect to?

[@BELHORIZON31]

I cannot see any leak underneeth engine nor on the floor?

[@TrionicSeven]

If you loose coolant but no leak, might be the head gasket

[@lexxluther5124]

do you have a diagram for the vacuum hose, I seen some online but I cant seem to understand it

[@TrionicSeven]

I think there's one in WIS, the workshop manual.

[@davidcorgan1836]

Can anyone tell me the part number for the plastic cover that covers the cable harness?

[@emilastrand7464]

Vilken storlek är klammrana ? ska göra detta ingrepp på min Aero i veckan som kommer...

[@emilastrand7464]

Och tänkte byta klammrar när man ändå håller på...

[@TrionicSeven]

Vet tyvärr inte storleken eftersom jag återanvände de gamla klamrarna.

[@GurdeepSingh-bu6ee]

Thank you so much. Internet, you tube made it possible. It was very easy to do with your detailed instructions. Keep up the good work, God bless you. Bought this for 13$s on Ebay. 7610-207 FITS:CADILLAC CATERA CHEVROLET CHEVY SAAB 95 9-5 Heater Control Valve

[@TrionicSeven]

Thanks!

[@rogerjones2289]

i have just done my wayer leak on 30 v6 d308l engine all the nasty myths of head gaskets and liners mine is a 2001 with no175.679 mikes and was leaking into the v but all rumours i just had to fix it to prove it and i was right it was the water pump.but how high it was you would think it was heads but not hard with a bit of know how cracking car and not to exspenive either if you need to one straight forward realy being interal and runs in oil and good idea the way it works

[@TrionicSeven]

Sorry, I just can't understand what you are writing since you don't use any punctuation

[@williamrabady2436]

hey i got a 2001 saab 95 turbo but i dont kno how too refill my a.c coolant

[@TrionicSeven]

An AC refill should be done at an AC service center.

[@matsakii]

Hey, you must be cynical or something? Every time I get e new problem, you put up a great DIY how to fix it. Scary man! As I was driving driving around the mountains yesterday I noticed coolant is leaking. In 2 days I had to refill 2 times. But I did not see under the car any water, so I could not locate from where the leak was on the middle of the road. Do you have the part number of that valve? And by the way, why don't you take a holiday going to Cyprus anytime soon :D

[@TrionicSeven]

+Mats Jk Thanks for your comment! Oh, I forgot to include the part number in the video, d'oh! As we were short on time we had to grab whatever was in stock, which was an aftermarket valve. The number I found in EPC is 90566947.

[@TrionicSeven]

+Mats Jk And the word (synsk) you are looking for in English is not "cynical" but "clairvoyant" :P

[@matsakii]

+Trionic Seven: For Saab Enthusiasts "seers" even better :)

[@AMA-Arellano]

I have to replace mine at least twice a year does anyone know why ? It continues to leak ?

[@anthonyz1013]

i recently bought a 1995 saab 900 se but i need a 4 digit code to use the radio anyone know what i could do?

[@TrionicSeven]

Sorry, dont' know about the ng900.

[@jimgagne3801]

Since my last post, my head gasket has now started leaking and blowing oil into the coolant . the Saab guy at planet Saab said they all blow head gaskets around 120,000 miles...... Sigh.....( My chevy's never did) He told me how to re-torque the head but that didn't help. But at least I stripped and repainted the valve cover.......It will look real nice. sitting IN A FUCKING JUNK YARD!!!!!!! GRrrrrrrr!

[@TrionicSeven]

:(

[@rocketkinger2506]

This is the exact situation I had, out of nowhere and it started leaking.

[@mondoshismondoshis5622]

my car don't want to turn back on

[@davekarlen6591]

funkar inte så enkelt på 00a areo.. fett irriterande kabelhervan under du viker undan lätt sitter helt idiotiskt till

[@TrionicSeven]

Yep!

[@jimgagne3801]

I fucking hate my fucking SAAB! I have spent more money, and been on a tow truck more times in one year than in ten years with my Chevy. I 'm going to find a Swedish person regardless if they have ever worked at Saab and kick them in the nuts! Every time something is fixed, something else breaks! Every time I have to fix something, you have to take apart 4 or 6 other things to get to it. Wiring that just falls apart?! I got fifty year old triumphs and Buick's that the wiring is still good! What did they make the housing out of? CANDY!? WTF! "SAAB" stands for.....Somethings Always About (to) Break!...Or better yet, this ones for me, SOMETHING AN ASSHOLE BUYS! And now that I'm done with my rant, I'm dying to buy an early 90's 900 turbo stick so I can flog it like a rented mule! Cause I'm not done flushing my money down the toilet of SAAB. ;D

[@TrionicSeven]

Same rule applies to Saabs as other cars. If it's been badly maintained previously you might run into lots of trouble. My cars hare running very well, very little trouble the last >60000 km.

[@jimgagne3801]

Since my last post, my head gasket has now started leaking and blowing oil into the coolant . the Saab guy at planet Saab said they all blow head gaskets around 120,000 miles...... Sigh.....( My chevy's never did) He told me how to re-torque the head but that didn't help. But at least I stripped and repainted the valve cover.......It will look real nice. sitting IN A FUCKING JUNK YARD!!!!!!! GRrrrrrrr!

[@TrionicSeven]

I fell for you, man. That's really bad luck with the head gasket. What car do you have? The T5 engines have weak head gaskets, T7 engines have the new steel gasket which is almost bulletproof.

[@jimgagne3801]

1996 CS 9000 toilet. I live by the ocean and they salt the roads all winter so a new car will rot out in ten years here if you don't under-wash and oil it. That's why I took this car , cause it had 110,000 miles and no rot, It was mint underneath. It just needed new tires, and a muffler, and 4 disks and pads . My friend was getting a new car and was junking it, so he just gave it to me. And then I just fell in love with SAABs . mostly the looks and the handling. But the trouble started with the heater core and every relay and sensor, then the transmission started slipping, and "many" other small things. and now the head gasket. I think I'm done. My friends think I'm nuts for putting so much time and money into this car . but it's time cut my losses cause i"m just beating a dead horse here.

[@kerrpapa]

We've had 6 Saabs and every one has been great and reliable car. In fact, a Saab 9-5 Aero is what we gave our daughter for her 1st car. From safety, reliability, gas mileage, handling, comfort and ease of driving, we are at ease with that decision. Just like any car, if it wasn't maintained before you bought it and you haven't been maintaining it, then it's bound to have problems. I hug Sweds for making a great car. Our garage will always have one.