Do You Really Need To Flush?
10-28-2002, 04:19 PM
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Do You Really Need To Flush?
I've read a few threads, and found some websites that suggest that you must use a flushing oil (0W20) before switching from mineral oil to synthetic. The mechanic I spoke with at the dealership said not so. I've got 26,800 mi. on my 2001 CL-S, and want to switch over to synth. Will I need to flush?
10-28-2002, 05:14 PM
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You should just use whatever oil you are gonna lose to flush. I recommend flushing...just in case, if the oil that is used for flushing isn't dirty lookin as it comes out...you can stop. Usually, half a bottle is good enough.
10-28-2002, 07:31 PM
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Originally posted by John-K
Wait a moment... is flushing BS, or is flushing NOT BS. Sorry, I didn't quite catch that.
Wait a moment... is flushing BS, or is flushing NOT BS. Sorry, I didn't quite catch that.
10-28-2002, 07:40 PM
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I agree with Wires. No need to flush. Drain completly, change filter and fill with synthetic.
I use Mobil 1 5-30 synthetic and a K&N filter. Walmart Superstores carry the 5 quart containers for about $18.70.
I use Mobil 1 5-30 synthetic and a K&N filter. Walmart Superstores carry the 5 quart containers for about $18.70.
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10-29-2002, 10:29 AM
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But what about in a high mileage car, e.g. >100k miles? There was a post from a NASA engineer (I think) that suggested that it would be a good idea for high mileage cars switching from mineral to synthetics.
10-29-2002, 10:35 AM
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Originally posted by John-K
But what about in a high mileage car, e.g. >100k miles? There was a post from a NASA engineer (I think) that suggested that it would be a good idea for high mileage cars switching from mineral to synthetics.
But what about in a high mileage car, e.g. >100k miles? There was a post from a NASA engineer (I think) that suggested that it would be a good idea for high mileage cars switching from mineral to synthetics.
10-29-2002, 10:38 AM
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I'm sorry. What I meant was, the post said that it would be good idea to flush in high mileage cars.
The "it" in the sentence refers to the flush.
There was a post from a NASA engineer (I think) that suggested that it would be a good idea for high mileage cars switching from mineral to synthetics.
10-29-2002, 11:28 AM
#14
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Originally posted by CO-CL-S
I think everybody here agrees that using synthetic oil is a plus.
I think everybody here agrees that using synthetic oil is a plus.
10-29-2002, 11:36 AM
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Just because he's a NASA engineer doesn't mean I'd let him work on my car.
The oils are compatible. If you want to waste a quart of oil go for it and flush it.
If you want to make it a little easier to get the old oil out then get the car nice and warmed up before changeing. Careful not to burn yourself but the old oil will all get out easier.
The oils are compatible. If you want to waste a quart of oil go for it and flush it.
If you want to make it a little easier to get the old oil out then get the car nice and warmed up before changeing. Careful not to burn yourself but the old oil will all get out easier.
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