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Guest
Anonymous Poster
Sep 11, 2006, 8:04 PM
Post #1 of 2
(1814 views)
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I am considering purchasing a 1998 Jaquar XJ8. The only issue I have found is that the car tried to heat up a bit during the test drive and I also noticed a dark deposit on the oil stick above the oil level?? Should I be concerned??
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 12, 2006, 2:47 AM
Post #2 of 2
(1811 views)
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That could be a warning of sludge which is not good!! Take a look under the oil filler cap and even better take a valve cover off and really look.
It's tough to say for every used car what it's history is. These cars are expensive to repair so you really should investigate.
Trick: Pull the dipstick up with engine idling. Take a cigarette and hold it at the dipstick tube and the smoke should get sucked down the tube. It's not conclusive but if that works the engine should be ok. Again -- NOT conclusive and may not apply to every engine out there but that has never failed me. You could do that with a vacuum gauge too and should show some vacuum, T
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