Engine Coolant Loss and no Leak Noted on Saab 9-3

Problem Description and Possible Solution

2.0L engines may become low on engine coolant with no cause found for the coolant loss. Our technicians tell us than in some cases the engine block may require replacement due to porosity.

Problem Data
RepairPal Verified
Average mileage: 111,122 (30,000–220,000)
Engines affected: 2.0L 4 Cylinder Turbo, 2.3L 4 Cylinder Turbo, Turbo
9 model years affected: 1999, 2002, 2003, 2004, more2005, 2006, 2007, 2008, 2010
57 people reported this problem
Viewing 1 - 20 of 25 comments
Regarding the coolant leak problem, you can buy GM Seal Tabs and add them to the coolant tank. I was adding coolant every other day and added six of these tablets and it has greatly helped the problem. I hate to see all you guys talking about replacing head gaskets and water pumps because it is most likely that the problem is the porous engine block issue and these tablets cause something like $5 for a 6-pack, so try this first before you go spending a lot of money.
i bought the SAAB 93 2005 model, i realize the notification on the dash board says coolant level low ... i dont see any leakage but i can see the level of water is low .. every time i see the message i full it with water and and it works properly with no heat on the engine. i still dont solve the problem and i have found many people suffering from the same problem.
I loose coolant every 3 to 4 days and took it to a shop and they couldn't find any leaks. so they told me to leave the car. they called me and said its a head gasket.
i really dont know if i should believe them, because alot of people have this problem. please i really need help
Recently started showing low coolant level just about every other time i drive it.the temp gauge would show it was hot i always pull over let it cool or add water/coolant depending where i was at the time. The last time i drove it 4 miles to the store the temp gauge and everything else looked perfect it didn't say it needed any more coolant when i turned car off it was smoking a little i let it cool put water and coolant back in it and its still doing the same thing. You can tell where it has leaked a little water under the hood drivers side in the back in clear sight but only a small amount. It just feels like its lost alot of power including the turbo...
Coolant low message going on twice a week. Got water pump replaced which was leaking apparently. Still losing coolant however following that repair with no sign of a leak. Just had it looked at by my shop and it apparently needs a new head gasket (coolant was getting into one of the cylinders, hence no sign of a leak despite the continual loss of coolant). Quoted $2,100. Anyone have a similar issue? Curious what the bill was if you had the head gasket replaced. thanks
Replaced head gaskets...not leaking anywhere outside but constantly filling up coolant because light on dash comes on and it's low. Doesn't over heat bc I always fill it up. Annoying and expensive. I have about 92000 miles on an 06 Saab 9-3 turbo 2.0
Coolant level regularly reaches low levels after 3-4 days of full refill. Have been constantly filling up coolant weekly. Occasionally "Engine Overheated Please Pull Over and Turn Engine Off" will come up on the dashboard. Today, turned on car and it was rumbling. 2/4 of the Coil Pack was replaced. Could these 2 things be related? In other words, any chance the replacement of the 2 coils will mitigate the coolant system malfunction? ***I know nothing about Saabs, this car is new to me!
Coolant loss, pressure tested pressure issue... Loss mostly when weather is really cold... Very little loss during summer
Varies from every few days to about once a week that I have to add coolant. Have had it
Dye tested and have had it checked for
Problems with head gaskets and other things as well. Not sure what to do next, but I'm spending about $30/month on coolant right now, which I'm not liking too much.
Refilling coolant every 2-3 weeks. Mechanic says it's probably the head gaskets,but haven't got it fixed yet.
first time having to replace coolant in about 3 months of owning the car and the next morning I am getting temperature warnings and find that the coolant is completely gone. wont be able to keep buying coolant at this rate....
I just purchased this car about 3 months ago and I've had to put coolant in it 3 to 4 times. I don't know what's causing this problem. I'm looking for answers
No sign of a leak. Slow leak. Have to add a pint or two every two weeks. No sign of water in crankcase.
My 04 convertible had a coolant leak at the back of the engine and I suspected the dreaded water pump. However, I had it pressure tested and the results were negative on the pump leaking. The culprit for mine was the coolant tube o-rings and the thermostat gasket which I had replaced. Now there is a slight loss of coolant with no leaks detected, where as before it was clear that it was dripping from the bottom center of the engine and loosing about a 1/2 every couple of days. Now it looses about a 1/4 to 1/2 a cup every two weeks or so. I'm contemplating the tablet cure based on what I've researched.