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2002 Ford Explorer Vacuum Sound
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lfletc1
New User
Aug 23, 2013, 6:10 AM
Post #1 of 2
(2229 views)
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2002 Ford Explorer Vacuum Sound
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Hello Everyone, I have a 2002 Ford Explorer, 6cyl engine, (not flex), with about 138,000 miles. This truck has never given me any problems until within the last year and half. I've had the transmission replaced over a year ago. The truck gets oil changes every 3 months. That's the history, now my problem: I noticed an antifreeze leak 3 months ago coming from the Thermostat housing. (Car ran hot while trying to get it home). I replaced the thermostat and the thermostat housing at the same time. Leaking stopped! 2 weeks ago noticed a wet spot under truck getting off work. Drove home, no problems, but parked truck. Did not notice any leaks for 3 days then all of a sudden a large wet spot under truck on 4th day after sitting. The water pump was wet around the corners, so assummed pump was bad and replaced. Also replaced oil pan gasket after noticing leak while working on water pump. Truck runs fine now, but there is a sound that wasn't there before. When I press on the accelerator, the truck makes a vacuum sound, like a shop vac, and doesn't have the same power it use to have. I can get up to 70 or 80 miles per hour, but the truck is working very hard to get to that speed. There's no clicking sounds, the oil is water free, the wet spot was antifreeze, so I don't know why the truck sounds like it does now. Did the over heating do something to engine, transmission, etc...? And by the way, after sitting my truck for 3 days to figure out what the sound is, there was a wet spot under the truck again yesterday, it was antfireeze. Does anyone have any ideas what's going on with my truck? Any suggestions is greatly appreciated.
(This post was edited by lfletc1 on Aug 23, 2013, 6:29 AM)
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Discretesignals
Ultimate Carjunky
/ Moderator
Aug 23, 2013, 6:24 PM
Post #2 of 2
(2195 views)
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Re: 2002 Ford Explorer Vacuum Sound
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Shop vac? LOL
Could have an exhaust restriction. A block up converter will cause a hissing sound under acceleration and cause loss of power. You can check for exhaust restriction with a back pressure gauge.
As for the leak, get it pressure tested to find out where the leak is at.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on Aug 23, 2013, 6:25 PM)
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