When i start up my car i hear a squeaking sound coming from the engine for about 10 minutes and it is even more noticible in wet weather. Tonight a new problem started...i hear a different rough sound when i piut my car in park.
Any thoughts as to what this may be?
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Re: noise when in park
The squeaking sound coming from the engine would very very likely be the serpentine belt, it is probably not properly adjusted but could also be cracking and need replaced, after the belt warms up the belt is more plyable and looses the noise. i would replace it, as for the rough sound i would need more info i.e. exactly where the noise is coming from if it changes when gas is tapped, try putting different conditions that make it worse or better when something is done, this will help detecting the area or problem at hand.
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Common Car Noises and Their Likely Causes
Clicking noise while turning
Starts faint, gradually becomes more noticeable until very loud
Failed outer CV joint (constant velocity joint) due to torn boot (most likely) or old age
Replace either the whole axle assembly (recommended) or the outer CV joint
Water pump noises
Difficult to diagnose because of water pump's location
Noise usually caused by damage to the bearings in failed water pump
Only cure is replacing it. If possible do it at the same time as a timing belt replacement to cut down on labor costs
Squeak or squeal from an engine belt
Loud, high-pitched squeak or squeal
Belts either need adjustment or replacing
If belts only squeak when damp, they probably just need adjustment. If they squeak constantly, they probably need to be replaced
Exhaust heat shield noises
Rattle that you hear when car is idling
Damaged heat shield
Replace heat shield
Doesn't sound good Al. Check your engine oil level and make sure it is ok. Could have had a rod bearing seize and fubar the whole engine. Oil puddle under van? Squeaking related but without hearing noise is a tough one. I have heard engines that are on the verge of seizing up to squeak as the bearings seize up and then finally just freeze and seize together. On a lighter note the vans are also prone to having the PCV hose at the back of the intake manifold fall apart and deteriorate. Odd noises have emanated from this sometimes very large vacuum leak that is created. Squeaks, Whistles, etc. If oil was in the hose at time of rupture then oil would have dumped onto the rear exhaust manifold that may have created this smoke from under the hood. You can find more information on this hose at mpvclub. If the engine still cranks over normally but will not start or starts and dies then can rule out the engine damage. The squeaks from this problem are a death call and engine will just not turn over at all.
Not much we can do without knowing where the noise is coming from. It could be something rubbing because the engine is shifting. It could be moving around when in drive such as a weak motor mount. Or the crankshaft could be moving under load. You may need to have a friend watch the engine from the side to see if anything is changing when you go from park to drive. You can also use a section of hose as a hearing device to pinpoint where the sound is coming from.
are you sure its not your fan belts? because if fan belts are not turning, it means that the engine is off. check if the tension in your fan belts are still ok. if not, have it re tensioned. if noise is still present, have it changed.
The sound could also be from the fuel pump. This comes on a cold engine. The way to sort it is to change your driving technique. Do not accelerate too much till the temp gauge starts showing the change. for the first minute or two if you do not accelerate too much then you may not hear the sound the rest of the day. Let the engine/fuel pump warm up a little and then you drive your normal self.
ther are no lubriction points on the driveshaft,if you rev the engine does the noise get louder or go away?try power braking the car ,make sure e-brake works properly if so apply it ,place the car in drive,place your left foot on the brake ,right on the accelerator,rev to 2000rpm for no more than 10 sec, this is like puttting a load on the drive train,this may unmask your noise,it appears this may be some sort of exhaust rattle since nothing is moving undereath car
Get a friend to turn wheel back and forth in the garage, get on the ground and use your hands to feel where the noise is coming from. Metal gives off a significant amount of vibrations with noise. Should be easy to tell where it's coming from. Could be your rack and pinion, however I would be much more willing to consider ball joints. Hard to tell without getting "down and dirty" on the floor under the vehicle feeling for the noise.
Could be your steering gearbox, tierod end, rack and pinion piston, low power steering fluid, bad serp belt, ball joints, front struts/mounting hardware.
Also test steering with the entire vehicle on the floor and with the front end off the ground lifted by a few floor jacks lifting on the frame of the vehicle.
Ball joints especially on Ford vehicles tend to squeak after a while (mostly since they are the sealed type) even if they pass a safety inspection.