Posted by Michael Mihalik --Previous Message--
on November 3, 2002, 11:32 pm
65.56.167.4
this situation is unlikley- more than likely what happened to your car is they probably put too much oil in your engine-this could cause your seals to leak. 5W50 is a very thin oil (5W is the actual weight of the oil,which is directly proportionate to the density/ 50 is the lubricating viscosity or what it 'acts like')and therefore if anything it would create less oil pressure, not more. If this oil is used at very hot ambient temperatures, it may not be thick enough to take up the space between the moving parts of the engine and thus create unwanted friction on these parts.
: Sorry to hear of your misfortune at the hands
: of so called professional. Please post
: this at the message board at
: www.markviii.org. You will get a response
: there on this important topic.
: --Previous Message--
: I had a local Jiffy lube change the oil 2500
: miles ago and they incorrectly installed
: 5W-50 oil. As a result, the oil pump
: "stuck" and built up enough
: pressure to blow the seal on the filter,
: and all the oil drained. I need any
: information that can be provided
: concerning problems related to incorrect
: oil viscosity installed into a Mark VIII
: or any other car for that matter. HELP,
: Jiffy Lube believes the different
: viscosity makes no difference.
: :
:
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