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Car Forum / Saab Cars / July 200497 9000 CSE Turbo timing chain replacement
My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab technician where we take the car (not a dealership) about having the timing chain replaced. He said they last the life of the car and don't need to be replaced. Only belts need to be replaced. But since this car uses a chain it should be fine. His answer surprised me since his company only works on Saabs and this is how he pays the bills. Has anyone else heard this? Believe me I'm fine with not replacing it since it isn't a cheap effort. Thanks, Don > My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab > technician where we take the car (not a dealership) about having the > timing chain replaced. He said they last the life of the car and don't > need to be replaced. Find a new mechanic. Chains stretch and a fair mechanic can hear it. It is recommended to be replaced at around 110,000 miles, but my '95 needed it at 90,000. The balance shaft gears were chewed up badly also. It is not as expensive as a new engine. Murray > Find a new mechanic. Nonse.  SignatureGrunff > > Find a new mechanic. > > Nonse. Depends on the exact diagnosis of the circumstances. >> My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab >> technician where we take the car (not a dealership) about having the >> timing chain replaced. He said they last the life of the car and don't >> need to be replaced. > > Find a new mechanic. Chains stretch and a fair mechanic can hear it. Yes, if the chain has stretched to the point where the tensioner can no longer compensate, it makes a hell of a racket. Lots (weeks or months) of warning time. But to say "find a new mechanic" when the guy told him what is essentially the truth, is a bit odd. > It is > recommended to be replaced at around 110,000 miles, It is? This is news to me. It's not unusual to have 'em go the full life of the car, into the several hundreds of thousands of miles. > My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab > technician where we take the car (not a dealership) about having the > timing chain replaced. He said they last the life of the car and don't > need to be replaced. Only belts need to be replaced. But since this > car uses a chain it should be fine. He is totally correct. > His answer surprised me since his > company only works on Saabs and this is how he pays the bills. Has > anyone else heard this? Erm, yes. SignatureGrunff He explained to me that the Saab Timing chains have an automatic tensioner and they are designed to last the life of the car. This guy is one of Denver's largest independent Saab repair shops and all they work on is Saab. In any case I won't worry about this till the car has 100k or more miles on it. 60k isn't the magic number with Saab like it is with other makes of cars. >> My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab >> technician where we take the car (not a dealership) about having the [quoted text clipped - 9 lines] > >Erm, yes. > He explained to me that the Saab Timing chains have an automatic > tensioner and they are designed to last the life of the car. This guy > is one of Denver's largest independent Saab repair shops and all they > work on is Saab. In any case I won't worry about this till the car > has 100k or more miles on it. 60k isn't the magic number with Saab > like it is with other makes of cars. There were some issues with some of the 2.3l engines, but it is by no means a cross-the-board issue. The chain does wear out, eventually - but not at 60k or 100k or even 200k; unless you have oil starvation issues. SignatureGrunff > He explained to me that the Saab Timing chains have an automatic > tensioner and they are designed to last the life of the car. This guy > is one of Denver's largest independent Saab repair shops and all they > work on is Saab. Mile High has a good reputation, and for good reason. > In any case I won't worry about this till the car > has 100k or more miles on it. 60k isn't the magic number with Saab > like it is with other makes of cars. Don't worry about it until you hear a rattling noise from that end of the engine, which is engine-speed dependant. 100K isn't a magic number either, for this. Chances are good that it'll never need attention for the life of the car. Dave Hinz My 1988 9000 has 253000 miles on the original chain. > > He explained to me that the Saab Timing chains have an automatic > > tensioner and they are designed to last the life of the car. This guy [quoted text clipped - 13 lines] > > Dave Hinz And mine has 228k and no sound (2.0 engine). So don't change the chain, unless you have the 2.3l which early models had problems with sprockets, _not_ with the chain. There is actually a procedure to check if the chain needs to be replaced or not... Check the SaabMaster site... http://www.townsendimports.com/ SuoTimo ____________________ > > He explained to me that the Saab Timing chains have an automatic > > tensioner and they are designed to last the life of the car. This guy [quoted text clipped - 13 lines] > > Dave Hinz > He explained to me that the Saab Timing chains have an automatic > tensioner and they are designed to last the life of the car. This guy > is one of Denver's largest independent Saab repair shops and all they > work on is Saab. In any case I won't worry about this till the car > has 100k or more miles on it. 60k isn't the magic number with Saab > like it is with other makes of cars. The chain in my 1984 T16S was swapped at 125k, not because it was rattling particularly (just a little), but because I was getting te tensioner replaced because it was of the old single instead of double bolt type. They had a look and reccomended changin the chain and top guide, but the sprockets were fine so they rolled the chain in, instead of going for the full replace and rebuild type install. Works great now. 125k isn't a long time either as others have said. SignatureThe poster formerly known as Skodapilot. http://www.bouncing-czechs.com On 7/12/04 8:36 AM, in article nqb5f05pe5aq07vgasq8mi1tsohmdobmi6@4ax.com, > My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab > technician where we take the car (not a dealership) about having the [quoted text clipped - 7 lines] > Thanks, > Don That was actually a recommendation for the '97 6-cylinders, as I recall. > That was actually a recommendation for the '97 6-cylinders, as I recall. All V6 engines used by Saab has timing belts (rubberbands), not chains. The belt must be changed at regular intervals to reduce the risk of a disaster. A chain is replaced when it is worn out and normally gives warning signs well in advance. SignatureG?ran Larsson http://www.mitt-eget.com/saab/ >>That was actually a recommendation for the '97 6-cylinders, as I recall. > > All V6 engines used by Saab has timing belts (rubberbands), not chains. > The belt must be changed at regular intervals to reduce the risk of a > disaster. A chain is replaced when it is worn out and normally gives > warning signs well in advance. Who makes the V6 engines or where did they originiate? The Saab 4 cylinder use a chain and V6 uses a belt, which implies a different origin. > Who makes the V6 engines or where did they originiate? The Saab 4 > cylinder use a chain and V6 uses a belt, which implies a different origin. The V4 was a Ford V4. The V6 is GM. SignatureGrunff >> Who makes the V6 engines or where did they originiate? The Saab 4 >> cylinder use a chain and V6 uses a belt, which implies a different origin. > > The V4 was a Ford V4. The V6 is GM. And the V4 uses timing gears. The I-3, of course, uses piston/port timing. > Who makes the V6 engines or where did they originiate? The Saab 4 > cylinder use a chain and V6 uses a belt, which implies a different origin. 2.5L V6 Saab 900 GM/Opel Germany 3.0L V6 Saab 9000 GM/Opel Germany 3.0L V6 Saab 9-5 GM/Vauxhall England SignatureG?ran Larsson http://www.mitt-eget.com/saab/ > My wife's 9000 turbo is coming up on 60,000 miles. I asked the Saab > technician where we take the car (not a dealership) about having the [quoted text clipped - 7 lines] > Thanks, > Don I agree with him. The SAAB timing chain easily lasts 200k miles, possible much more. > I agree with him. The SAAB timing chain easily lasts 200k miles, > possible much more. Tell that to this chap! http://www.saabcentral.com/forums/viewtopic.php?t=33972 >> I agree with him. The SAAB timing chain easily lasts 200k miles, >> possible much more. > > Tell that to this chap! > http://www.saabcentral.com/forums/viewtopic.php?t=33972 Without knowing a lot more about it, it's hard to say what caused his timing chain failure. The question being responded to was the wisdom of changing a chain at 80,000 miles or so, "just because". One guy having a chain go doesn't change the accuracy of the statement that they're typically good for several to many hundreds of thousands of miles, and aren't a part with a "just because" change interval. > Without knowing a lot more about it, it's hard to say what caused > his timing chain failure. The question being responded to was > the wisdom of changing a chain at 80,000 miles or so, "just because". > One guy having a chain go doesn't change the accuracy of the statement > that they're typically good for several to many hundreds of thousands > of miles, and aren't a part with a "just because" change interval. I once had a tyre blow out, and it only had a couple of thousand miles on it! Since then, I make sure I change all my tyres at 1500 miles regardless of wear - I'd really hate to have another blowout. SignatureGrunff Excellent comparison! ;-) ___________________________ > I once had a tyre blow out, and it only had a couple of thousand miles > on it! Since then, I make sure I change all my tyres at 1500 miles > regardless of wear - I'd really hate to have another blowout. > > -- > Grunff > Without knowing a lot more about it, it's hard to say what caused > his timing chain failure. The question being responded to was > the wisdom of changing a chain at 80,000 miles or so, "just because". Nope but neither are we in the land of bytes in a position to state that someone else's chain won't need changing either, all we can do is provide annecdotal evidence to suggest that:- a) They go on forever b) Sometimes they don't c) Yours might need changing d) Yours might not need changing :) David. > Nope but neither are we in the land of bytes in a position to state that > someone else's chain won't need changing either, all we can do is [quoted text clipped - 4 lines] > c) Yours might need changing > d) Yours might not need changing The one you missed, e) If yours is going to need changing, you'll get a great deal of warning, and there's no reason to change it at any particular interval. > The one you missed, > e) If yours is going to need changing, you'll get a great deal of > warning, and there's no reason to change it at any particular interval. Point being, how much warning, how much rattle, what does "change me" actually sound like? I have a rattly chain but will it go on for 10k? 50k? 100k? Should I change it? David. > Point being, how much warning, how much rattle, what does "change me" > actually sound like? I have a rattly chain but will it go on for 10k? > 50k? 100k? > > Should I change it? This is much simpler than you're making out. If your chain is rattling it's because it is no longer in tension. This is because a) the tensioner isn't working properly, b) the guides are worn or c) the chain is stretched beyond the tensioner's max. extension. You (or your mechanic) need to identify the cause. if it's c, then you need to replace the chain. SignatureGrunff > You (or your mechanic) need to identify the cause. if it's c, then you > need to replace the chain. Sure but either way I don't know if the sprokets are worn and i've seen pictures of sprokets that are worn right down. I agree, it's not as simple as just working out if the chain needs replacing. David. >> The one you missed, >> e) If yours is going to need changing, you'll get a great deal of >> warning, and there's no reason to change it at any particular interval. > > Point being, how much warning, how much rattle, what does "change me" > actually sound like? I have a rattly chain but will it go on for 10k? OK, so if you have one making the rattling noise, yeah, plan to change it in the next month or so to be safe. That's the time to do it, not "There's 80,000 miles on it so I'll do it just in case". > >> The one you missed, > >> e) If yours is going to need changing, you'll get a great deal of [quoted text clipped - 6 lines] > it in the next month or so to be safe. That's the time to do it, not > "There's 80,000 miles on it so I'll do it just in case". Seconded. And change the water pump while it's in for chain. > > I agree with him. The SAAB timing chain easily lasts 200k miles, > > possible much more. > > Tell that to this chap! > > http://www.saabcentral.com/forums/viewtopic.php?t=33972 And he's driving a '91, which is a troublesome year model. The 9000 2.3 from '89 to '92 (incl.), has problem with weak gearwheels for the balancechain. So no wonder.... Cheers! The chain on my 1991 2.3 t broke at 115k!!!!!!!!! It had been serviced at SAAB at 115k. There did not seem to be much warning!!!! Good luck Richard > The chain on my 1991 2.3 t broke at 115k!!!!!!!!! It had been serviced at > SAAB at 115k. There did not seem to be much warning!!!! Good luck > Richard AGAIN! Saab had probs with the 9000 2.3 model from 1989 to 1992 (incl.). And we're NOT talking about one of those models here. Cheers! > AGAIN! Saab had probs with the 9000 2.3 model from 1989 to 1992 (incl.). And > we're NOT talking about one of those models here. Again, mine's a 1993, it rattles, should I get it changed?! Simply my point is that it's way too simple for people to state here that the the chain goes on forever and then a bit silly to fall back and say "oh you'd better get it checked!" when they should have said that in the first instance. :) David. >> AGAIN! Saab had probs with the 9000 2.3 model from 1989 to 1992 (incl.). And >> we're NOT talking about one of those models here. > > Again, mine's a 1993, it rattles, should I get it changed?! Yes, in the next month or two, as several of us have said. > Simply my point is that it's way too simple for people to state here > that the the chain goes on forever and then a bit silly to fall back and > say "oh you'd better get it checked!" when they should have said that in > the first instance. We did. > > Again, mine's a 1993, it rattles, should I get it changed?! > > Yes, in the next month or two, as several of us have said. I'll get right on it then! :) David. Our 1985 900T has 282,000 miles on its chain. The injectors are a little noisy but the chain is still quiet. Just change the oil at half the recommended intervals. The timing chain should be very low on your list of concerns. R. Frist > Our 1985 900T has 282,000 miles on its chain. The injectors are a little > noisy but the chain is still quiet. Very good performance, but difficult to say if this mileage applies to all models and all drivers. > Just change the oil at half the recommended intervals. The timing chain > should be very low on your list of concerns. What interval are you using? |
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