Question about 2003 Lincoln Navigator
I HAVE A 2003 NAVIGATOR AND THIS IS THE 2ND TIME THAT I HAVE HAD A #6 CYLINDER DROP ON ME. THE FIRST TIME THIS WAS A TOP JOB AT $2350.00 AND HAVE PUT 15000 MILES ON IT SINCE THEN AND NOW IT IS BACK. wHAT IS UP!!!!!!!! IT NOW HAS 91000 MILES ON IT. A MECHANIC(NOT THE SAME ONE) TOLD ME THAT HE WOULD HAVE TO TAKE THE HEAD OFF AND REPLACE THE CYLINDER. COULD IT BE ANYTHING ELSE. I SERVICE IT REGULARLY AND USE HIGH OCTANE FUEL....HELP
When you talking about drop #6 cyc, did you mean you had to replace the piston and the rod its self? if you had to replace piston and the rod, what took place that you had to replace them? did you throw a rod or the rod was knocking so you had to replace it. If you replace #6 piston due to a rod knocking or you threw a rod for the second time i wonder if that mechanic inspected the main crankshaft it self. if you threw a rod or it knocking 90% of the time you probably have damaged your crankshaft by scuffing it. scuffing the main crank will not be the same, it can be a hair line scuff, it will take no time before your crackshaft will start wearing out the new rod bearing. scuffing up a crankshaft without having machine shop turn it to smooth out any scuff or damages, it will eat and chew up the new rod bearing like its no tomorrow and your rod will knock again. keep in mind, sometime crankshaft is too damage or scuff to be turn or repair it must be replace. There is no reason if that mechanics done it correctly, you should not have any problems from the same cyclinder; it tells me he did a horrible job although he may got in too deep into the engine and decide to cut cost without fixing it and went ahead and fix it knowingly he should done a proper job. If you have to keep placing the rod and the piston due to the crankshaft wearing out the rod bearing, it tells me you have a bad crankshaft. its not worth replacing and fixing due to the cost factor. you better off to get a used motor from a junk yard for 800-1000 bucks. I hope that help some..
Posted on Jul 19, 2009
Your mechanic is right. Its absolutely ridiculous, but it needs to be replaced. You can get the original one taken off and re-drilled at a machine shope though. The cost is SUBSTANTIALLY less than hetting it done by the dealer, but you will be with out your car for a few days.
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
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