Don't think so. If it was the exhaust it would be knocking pretty much all the time he's driving the car and hits a bump not when he first cranks the car up.98laseredgt said:have someone watch under the car while you start it. i would be willing to bet its your exhaust hitting the bottom of your car.
Matto said:Make sure you check your oil.
Sorry, meant engine oil. Better safe than sorry. Your situation sounds similar to mine, and mine didn't end too well.Mr GT 02 said:Check my Tranny oil? How do you do that? (i am no mechanic)
I just had new tranny oil put in when I had a clutch installed not to long ago... I bet something is wrong inside the tranny itself.
Its weird cause it only makes that Sudden knock sound right when I start the car and thats it. Everything else seems fine tho...... I will definetly have it checked out by Ford before the warranty runs out along with my sqealing windows..And the cd player which cd's keep getting stuck as they are trying to eject.........
UVBNHAD said:Don't think so. If it was the exhaust it would be knocking pretty much all the time he's driving the car and hits a bump not when he first cranks the car up.
I would be willing to be that it's your oil settling in your pan from sitting; especially since it only happens a few times when you first start up. What's happening is the the oil is having to be sucked back up into your engine. Get a heavier oil and a Purolator (I believe they are the ones that have the filter designed so that it doesn't run back out) oil filter.Its weird cause it only makes that Sudden knock sound right when I start the car and thats it. Everything else seems fine tho...... I will definetly have it checked out by Ford
Yep.could be from the oil settling down into the pan or wrong oil weight maybe sure its nothing to worry about.
The only thing is that the exhaust brackets are different on his Mustang than on your truck. I guess it's possilbe though...My truck started making knocking noises on startup and shut down. Turned out an exhaust bracket broke and slid down the pipe and jammed itself up against the frame.
ChadS98GT said:I get a wierd rattling noise sounds like it's coming from my starter or something related to when I start the car.......only happens when the car is cold...and is worse or more noticeable when the weather is cooler....
I know this isn't the same thing you guys are talking about but maybe we can kill two birds with one stone
98laseredgt said:i know the exhaust is what the knocking noise is on my car, but it only does it on start up. never does it any other time.
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