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Seeking additional info abour repairs to a Jeep
I have been quoted some prices on some potential repairs to my 95 Jeep
Wrangler, but being a non-technical owner (I just drive the thing, I don't know how it works) I have a hard time understanding these problems, guaging how important they really are, and guessing whether or not I am getting a decent price. I do trust this particular mechanic, and they are not presenting these problems to me as high-importance must-fix-for-safe-operation problems, but I would still appreciate it if some of you knowledgable jeep-people could offer your opinions on these: 1) What is a "Rear Main Seal". How important is a leak in one? Is it worth over $400 to fix? 2) What is the transmissions "Transfer Case Seal"? How important is a leak in it? Is it worth over $300 to fix? 3) What is an "Induction Flush" how important is it? Is it worth approx $150 to have done? |
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#2
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Bob-googlegroups did pass the time by typing:
> I have been quoted some prices on some potential repairs to my 95 Jeep > Wrangler, but being a non-technical owner (I just drive the thing, I > don't know how it works) I have a hard time understanding these > problems, guaging how important they really are, and guessing whether > or not I am getting a decent price. > > I do trust this particular mechanic, and they are not presenting these > problems to me as high-importance must-fix-for-safe-operation problems, > but I would still appreciate it if some of you knowledgable jeep-people > could offer your opinions on these: > > 1) What is a "Rear Main Seal". How important is a leak in one? Is it > worth over $400 to fix? The rear-main-seal is on the engine output shaft. It's two C shaped bits of rubber, one that fits into the engine block and the other that lays on the back of the oil pan. Understand that a lot of "rear main seal" leaks are actually the rear of the valve cover, especially on the 4.0 I6. Always check there first as rear main seals last quite a long time. End result is your jeep will drip oil on the garage. Keep an eye on the oil level and it's not that big of a deal. > 2) What is the transmissions "Transfer Case Seal"? How important is a > leak in it? Is it worth over $300 to fix? That's the output shaft seal and probably bushing. Unless it's a gusher all it does is drip a bit of tranny fluid on the driveway. Check fluids regularly. > 3) What is an "Induction Flush" how important is it? Is it worth approx > $150 to have done? That's a can-o-cleaner they put into the fuel rail and run through your engine, including running stuff down the throttle body. It cleans out carbon deposits and fuel injectors. Not a bad thing and not unreasonable for the price, although if your engine is in fairly good shape there are good in-tank cleaners available. Techron for one. The prices you were quoted aren't unreasonable for the mechanics time. And if you trust the mechanics work that's better than saving a buck and getting a crap job done. I'd still have a look at that rear main seal vs/ valve cover leak first. All that take is reaching behind the motor and wiping the block off just below the valve cover. Then after you drive it and let it cool, go back there and wipe again. If you come up with oil, that's the source. It leaks from the back and runs down. Does a good impersonation of a rear main seal leak. The parts themselves aren't expensive, it's the time. That's why lots of us do our own wrenching. The money saved allows us to buy more toys. -- -- DougW -- 93 ZJ 4.0 http://members.cox.net/wilsond HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors Banks Header - and BEER, in the fridge! |
#3
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An induction flush is a high pressure cleaning of the fuel injection
system. -- God Bless America, ßill O|||||||O http://www.billhughes.com/ |
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> wrote in message oups.com... > I have been quoted some prices on some potential repairs to my 95 Jeep > Wrangler, but being a non-technical owner (I just drive the thing, I > don't know how it works) I have a hard time understanding these > problems, guaging how important they really are, and guessing whether > or not I am getting a decent price. > > I do trust this particular mechanic, and they are not presenting these > problems to me as high-importance must-fix-for-safe-operation problems, > but I would still appreciate it if some of you knowledgable jeep-people > could offer your opinions on these: > > 1) What is a "Rear Main Seal". How important is a leak in one? Is it > worth over $400 to fix? > If, and that's a big I-F, the rear main is really leaking, then it would take about $400 to fix. The part - the rear main seal - is about $30, and the oil pan gasket set is another $30 or so. That's $60 for gaskets and $340 for labor. That is a bit on the high side, but not hugely on the high side. I don't think your rear main is the problem, the Valve Cover Gasket is the more likely culprit. > 2) What is the transmissions "Transfer Case Seal"? How important is a > leak in it? Is it worth over $300 to fix? > This is a tough one. The tcase does have seals on the front and the back, and if the seals are leaking then you need to have them replaced. It is a job that most of us will tackle at home, but you said that you don't do any service more complicated than filling the gas tank, so you will be subjected to the going rate at the service center. If the repairs you listed up here, this is the one that has the best chance of actually being needed. The Rear Main is probably a valve cover gasket, and the injector cleaner is stuff that you can pour into the gas tank yourself. I suggest you pass on the injector service, have the shop take a close look at the valve cover -- particularly the portion near the firewall -- and get a second opinion on the tcase. > 3) What is an "Induction Flush" how important is it? Is it worth approx > $150 to have done? > This is a giant bottle of snake oil. You can buy a few small bottles of snake oil at the auto parts store and pour one in with every fill up for the next several weeks. Snake Oil is a bit of a misnomer, but you can buy Fuel Injector Cleaner for about 5 bucks per bottle, and throw one in with a fill up, and follow that with the next fill up or two, then add one bottle with each fill up when you do an oil change and this should keep the injectors clean and trouble free. There is nothing with this service to warrant a service ticket for $150. |
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> wrote in message oups.com... >I have been quoted some prices on some potential repairs to my 95 Jeep > Wrangler, but being a non-technical owner (I just drive the thing, I > don't know how it works) I have a hard time understanding these > problems, guaging how important they really are, and guessing whether > or not I am getting a decent price. > > I do trust this particular mechanic, and they are not presenting these > problems to me as high-importance must-fix-for-safe-operation problems, > but I would still appreciate it if some of you knowledgable jeep-people > could offer your opinions on these: > > 1) What is a "Rear Main Seal". How important is a leak in one? Is it > worth over $400 to fix? Depends on how much it leaks. It can leak onto your clutch, giving your some slip when first used in the morning, until the oil burns off. It can also leave nasty stains in yours, and others' driveways. However, it's nothing major and even if you fix it, it will return. I've had my rear main seal repaired twice, only for it to leak again. This is very common to the inline six. The rear main seal is exactly what it sounds like: the rear seal of the engine on the crank. It's costly to repair because of the 4WD system. They have to drop your skidplate, disconnect both driveshafts, pull the transmission + transfer case out of the engine, remove the clutch, drop the oil pan (possibly unmount the engine from the mounts and jack it up for clearance, and replace the seal and oil pan gasket and reverse the procedure. The parts aren't much, but the labor involved is murder. > 2) What is the transmissions "Transfer Case Seal"? How important is a > leak in it? Is it worth over $300 to fix? Easily fixed on your own if you're even slightly mechanically inclined. I'm not sure if this is referring to the seal joining both halves of the transfer case, or the seal around the yoke. Either way, it's not difficult to replace. > 3) What is an "Induction Flush" how important is it? Is it worth approx > $150 to have done? Many mechanics recommend it. Basically, they hook up a bottle of some high powered cleaner to your fuel rail, I believe, and clean out all the gunk in there. They also clean out your throttlebody too. I've had my intake off to repair the exhaust header, and there gets to be quite a bit of gunk in there. I scraped it out and used carb cleaner to clean it all, including the throttlebody, out before I put it all back together. I did noticed slighly more power when I was done, but nothing to write home about since it has 147,000 miles on it. You can buy some of that high powered fuel injection cleaner you put in your tank from STP, Slick 50, etc. and get about half the cleaning that professional job gives you. Those cans cost between $8 and $10. http://www.slick50.com/ |
#7
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> wrote in message oups.com... > I have been quoted some prices on some potential repairs to my 95 Jeep > Wrangler, but being a non-technical owner (I just drive the thing, I > don't know how it works) I have a hard time understanding these > problems, guaging how important they really are, and guessing whether > or not I am getting a decent price. > > I do trust this particular mechanic, and they are not presenting these > problems to me as high-importance must-fix-for-safe-operation problems, > but I would still appreciate it if some of you knowledgable jeep-people > could offer your opinions on these: > > 1) What is a "Rear Main Seal". How important is a leak in one? Is it > worth over $400 to fix? Rear main seal is the one piece seal that closes the area between the engines crankshaft and the engine block. If this is a 4.0 engine this is a VERY common problem with them. Leakage there depends on how bad it actually is. Put a piece of cardboard or paper under the rear of the engine and see what shows up in 24 hours. IF you have a spot on the cardboard the size of a dime or smaller don't worry about it for now. If it is between a dime and a quarter then if you can spare the vehicle for the time required and have the money get it repaired 400.00 is about correct since it is a rather involved repair. Especially on a 4X4. If it is over a 50 cent piece get it changed out ASAP since you are losing quite a bit of oil. > > 2) What is the transmissions "Transfer Case Seal"? How important is a > leak in it? Is it worth over $300 to fix? About the same as a rear main seal BUT since the transfer case is difficult to fill and check it would be a good idea to get it changed out if it is leaking more than a drop or two per day. If it is just damp around it don't worry about it. > > 3) What is an "Induction Flush" how important is it? Is it worth approx > $150 to have done? > > 150 would be a bit high for just an injector cleaning, BUT if they are doing injector cleaning and top end cleaning then it isn't too bad. ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#8
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On Thu, 7 Jul 2005, DougW wrote:
> > 3) What is an "Induction Flush" how important is it? Is it worth > > approx $150 to have done? > That's a can-o-cleaner they put into the fuel rail and run through your > engine, including running stuff down the throttle body. It cleans out > carbon deposits and fuel injectors. Not a bad thing and not > unreasonable for the price Are you high? There's nothing in that $150 "induction flush" that cannot be achieved with a $16 bottle of Chevron Techron or BG 44K. |
#9
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On Thu, 7 Jul 2005, Steve W. wrote:
> Rear main seal is the one piece seal that closes the area between the > engines crankshaft and the engine block. If this is a 4.0 engine this is > a VERY common problem with them. Not as common as a leak at the back of the rocker cover *mimicking* a rear main seal leak, as others have pointed out. > > 3) What is an "Induction Flush" how important is it? Is it worth > > approx $150 to have done? > 150 would be a bit high for just an injector cleaning, BUT if they are > doing injector cleaning and top end cleaning then it isn't too bad. Um...not. There is no such a thing as them "doing a top end cleaning, too". The stuff they hook up to the fuel rail is injector and top-end cleaner. So is the stuff in the bottle labelled "TECHRON" or the can labelled "BG 44K" that you buy for $16 and pour in the fuel tank. Even if we assume that removal and thorough cleaning of the throttle body and AIS were included, $150 is kinda rich. |
#10
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"Jeff Strickland" > wrote in message = ... .... > > 3) What is an "Induction Flush" how important is it? Is it worth = approx > > $150 to have done? > > >=20 > This is a giant bottle of snake oil. You can buy a few small bottles = of > snake oil at the auto parts store and pour one in with every fill up = for the > next several weeks. Or just use Chevron gasoline... Shell gas also has the high-tech additives in it now. This is one service you don't need... major boondoggle. __ Steve .. |
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