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rbjordan
Novice
Mar 22, 2010, 6:46 AM
Post #1 of 14
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2002 jag smokey start
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2002 X-Type Jag 3.0 auto with 85K miles smokes when started. Just started doing this and uses about a quart between changes.
(This post was edited by rbjordan on Mar 22, 2010, 6:50 AM)
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steve01832
Veteran
Mar 22, 2010, 3:39 PM
Post #2 of 14
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Re: 2002 jag smokey start
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Possible valve seals leaking oil.
Steve
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wally
Novice
Mar 22, 2010, 10:12 PM
Post #3 of 14
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Re: 2002 jag smokey start
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Sounds like valves leaking maybe rings
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steve01832
Veteran
Mar 23, 2010, 2:23 AM
Post #4 of 14
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Re: 2002 jag smokey start
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Rings will always allow oil past them into the combustion chamber. This will be seen as blue smoke constantly out of the tail pipe. Valve seals allow oil in the head to seep past only when the engine is off. This is why on start up a puff of smoke is seen then clears up.
Steve
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rbjordan
Novice
Mar 23, 2010, 6:21 AM
Post #5 of 14
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Re: 2002 jag smokey start
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Thanks, thats what I thought. Called my mechanic (not Jag dealer) he says cams have to come out for valve seal job, and that means motor must come out total around $3000. Ouch!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 23, 2010, 10:10 AM
Post #6 of 14
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Re: 2002 jag smokey start
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Just curious - what type and weight of oil are you using and how often both miles and time do you go between changes?
T
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rbjordan
Novice
Mar 23, 2010, 11:45 AM
Post #7 of 14
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Re: 2002 jag smokey start
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Castrol 5W30, and I go 3000 miles between changes. I was told to switch to synthetic oil and check my PCV valve on the valve cover. Time between changes varies, but it is never more than 3 months.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 23, 2010, 12:11 PM
Post #8 of 14
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Re: 2002 jag smokey start
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Unless the smokey start is really annoying it probably would go away or be minimal with synthetic. Absolutely make certain PCV valve and system is working properly as that causes oil to get to funky places too. Your maintenance is fine and even if a fussy Jag should be ok IMO with the care you have given it.
The smokey start would be a valve guide/seal issue. Oil from valve cover must return to pan and sludge (better not be with your schedule) can block passages and pool oil over the seals and be smokey starts and after perhaps using the engine as a mean to slow down it can suck a bit down the guides.
If PCV was too aggressive it might be sucking up oil and not noticed while running. Hey - one quart in a 3,000 mile run is so minuscule when you think about it it's not much.
If oil cap is on valve cover, you may get a view as to any sludge situation but my bet is not an issue. Dipsticks can be telling as well. An overheat in the history can change anything right away,
T
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rbjordan
Novice
Mar 23, 2010, 12:47 PM
Post #9 of 14
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Re: 2002 jag smokey start
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Thanks for the info. Inside the oil cap running gear looks spotless. I don't think it is sludge. I hope the synthetic helps, and can I clean out the PCV valve? I know old school vents could be cleaned, and they were only a couple of bucks,a new one for the Jag is $40.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 23, 2010, 12:59 PM
Post #10 of 14
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Re: 2002 jag smokey start
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PCV clean out: Yes - I clean some that were ok but in that you want to try to solve this I'd get an exact quality one for just this engine. It may be a common Ford PCV - dunno? All I know is Ford did get involved with some things for Jaguar around that model year anyway.
If it uses a hose or hose and metal that all has to be good too,
T
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rbjordan
Novice
Mar 24, 2010, 6:40 AM
Post #11 of 14
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Re: 2002 jag smokey start
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Yep, it's a Forduar. I was hoping that would be a good thing, it has not been. Can't get the valve at any parts stores, so I will have to go through my mechanic. I will take a look tonight when changing oil and try to clean my valve up. WD-40 ok to use?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 24, 2010, 7:25 AM
Post #12 of 14
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Re: 2002 jag smokey start
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Opinion: NAPA sells quality parts and ask for the best.
You can just use carb/throttle body cleaner for a PCV - it should rattle. PCV valve isn't the most wild piece of engineering in a car - I've only run into a couple that really were a failure or caused issues, usually just noise. IMO they get replaced way too often on cars that are cared for I've had them be fine for ions or the life of the car.
What is as important is that the hose and or elbows (rubber) are all in good shape. In Fraud's (ooh I mean Ford ) infinite wisdom they make lousy elbows and don't they make different size ends so you get stuck back to a dealer. They and others are also good at hiding or running the path under manifolds such that it's a huge issue to replace! Because you claim this happened rather suddenly I think there's more to it (still probably simple but not known where yet) than just the PCV.
Test: If you find it ok, with engine idling put your thumb (care for hot stuff) over it. It should demonstrate a vacuum. If not the hose needs to be checked in full. Idle will likely go a bit kooky while you play with that test. Put it back right away.
Ford and Jaguar: Not sure the total extent but seems to me that more dependable engineering was used in the Jags and more of the performance things got used in some Lincolns (LS Model) to the benefit of both. Not sure who is in bed with who now - laugh.
BTW - WD-40 is a staple product of mine but not the best cleaner for this type thing,
T
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rbjordan
Novice
Mar 24, 2010, 7:56 AM
Post #13 of 14
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Re: 2002 jag smokey start
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Gotcha, carb cleaner it is. Jag is now owned by Tata Motors, Mr. Tata is a bollionaire. Not sure who is sharing / stealing engineering now, but Mr. Tata can buy anything he wants / needs. This seems to be good for Jaguar, since the new XF looks impressive.Recent reviews sound good too, XFr very fast.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 24, 2010, 8:35 AM
Post #14 of 14
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Re: 2002 jag smokey start
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Gotta love the Nano! Can't you just see your feet hanging out the grille?
You can (hope you can get to PCV easily) run carb cleaner thru it while running - don't go drown it but it will about stall the engine and prove it is getting to manifold vacuum source.
Love that Tata - I'd own one for the 2 grand into price and put a propeller on the roof and make a mower attachment and could at least mow the lawn without getting wet
T
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