Unlike Ap24, who has a post/thread about his CONSTANT noise under acceleration, mine is only happening once. For instance say I'm sitting at a stop light, and start accelerating, it's almost like the body shifts backwards. When I come to a stop and jab the brakes a little, its like it shifts forward. My dad seems to think it is the U joint.. but i'm not convinced as it does it on deceleration.
View 11 RepliesOk - I admit, I don't have a good description of what's going on, but it's not normal. When I accelerate slowly, or go up a hill, I'm hearing a "rattling" sort of noise that did not used to be there. I have heard it also when slowly decelerating.
I need to crawl under and look, but my big concern is I'm about to go on a 2000 mile trip with a small horse trailer. Could this be a festering major engine, transmission, or otherwise problem?
2001 v10 ... I have a thumping noise under acceleration... also hear it if brake torquing.. I do not hear the sound if in park or neutral...while riding down road the sound goes away when you let of the gas. Torque converter has been replaced.... exhaust manifold bolts are ok too. Been to 3 places and no one can seem to pin point it or no where to begin...
View 7 RepliesNoise on acceleration, sounds like a miss but engine feels good and no check engine light, eventually goes away, not there under a load either, idk totally stumped.
View 10 RepliesAfter driving for about 15 minutes, once it is warmed up, at acceleration & low rpm's, there is a vibration, mild grinding noise. Once you get to mid-range and up on the rpm's, it goes away. When cruising down the highway at normal speeds and a consistent rpm...no noise. Idling at, and taking off from a stop light, I get the noise. The longer it is driven, the more noticeable the noise is. Possible torque converter?
View 8 RepliesI have a 2001 Ford Excursion. I had all 4 ball joints replaced and now I am experiencing poor steering and drivability. While driving in town and on the freeway I am constantly having to correct the steering. The car wants to dart to the right and then dart to the left. It will not drive straight for very long. Constant steering correction is very tiring, especially on long trips. Need to understand what is happening to my vehicle. What can I do to remedy the problem? The steering was not near as bad before the ball joint replacement.
View 14 RepliesBought a '02 V10 gas 4wd Ex a week ago pretty cheap, and looking to fix a multitude of little issues.
I have been reading about the door ajar warning light issue, and mine alike has door ajar light always on. However, my dome/interior lights do not react to the opening of any doors/rear door hatch.
It's not out of the question that the last owner might have disconnected what he needed to to avoid fixing the problem and still use the truck. Where to start given I can't troubleshoot down to one particular door ajar sensor?
2004 Buick Century. 3100 motor. 150k miles... Recently discovered strange noise but not sure exactly how long its been happening. (I listen to the radio pretty loud)
Engine sounds normal at start/idle (hot and cold). During acceleration I hear a constant ticking/tapping/clattering at a decent volume from 1st to 3rd..after 3rd it quiets down a bit but still constant. It goes away completely directly after shifting into 4th. I then cruise down the highway at 75-80 with no problem whatsoever.(It can also be heard if i rev the engine in park.)
The day I noticed it i immediately checked the oil. It was a little over a quart low. I filled it but the sound has not changed.
I wouldn't say its a full on knock but it does sound alarming like the engine could blow at any moment from 1st to 4th. Sounds perfectly fine after that.
I have a Toyota Tundra that shudders under acceleration. Its an A/T two wheel drive. Engine rpm remains constant, vehicle shudders.
View 2 RepliesI have a 2010 with about 166k miles. I am getting a slight hesitation at slight acceleration or constant speed. It does not matter if it's on highway or freeway speeds. Now I am not sure if this in junction with me changing the PCV valve, cleaning the EGR pipe, or cleaning the TB for carbon recently. It started happening a week after it though.
View 19 RepliesFord Explorer has been making horrible noise (constant whine when accelerator is pressed)... The mechanic said he found metal in the power steering fluid and told me we need to replace the power steering pump and the rack & pinion system. Is he right about this? He said you can't replace one without the other... I've done a little research and I think we can get away with a new pump.
View 2 RepliesI have been hearing on occasion (not constant) an awfull noise under the hood. Even when I turn on the ac it doesn't change the depth of sound. I took the belt off and spun the idler pulley, tensioner, and ac pulley. When I spun the ac pulley I notice quite a bit of play (wobble). last summer sometimes I needed to give the clutch a bit of persuasion in order for it to kick in. Is this play (wobble) in the pulley normal? I've never had to replace an ac clutch so I don't have any experience to go on.
View 8 RepliesTruck is a 2008 F150 5.4 4x4. I changed the spark plugs the other night for the second time. Everything went smoothly. Got the truck put back together and cranked it up afterwards to let it run. Truck ran great, but as the engine temp got up around 150 degrees, I started hearing a very loud ringing sound. I shut off the engine, double checked all connections, removed the belt to rule out accessory drive noise. No luck. The noise stays constant regardless of engine RPM, so I decided to drive it. I found the noise fades away under load, then returns as soon as I let off the throttle. I attached a GoPro to a cross member near the transmission after narrowing the noise down to the bell housing area.
Attached is a link to the video I made : 2008 F150 5.4 Noise - YouTube...
We've had a lot of rain here in pa lately and i hit a few big puddles the other day and now i have a growl slash wine in the front of my motor,now i narrowed it down to something driven by the bely because I removed the belt and no noise all pulleys feel good and smooth except the ac compressor if you spin it by hand it has a rough/dry feeling and sound to it but the noise doesn't change with the ac on or off its just constant grinding/whine. Replace the ac compressor pulley bearing that what I am thinking it is and don't really want to change out the whole compressor..
View 1 RepliesThis has happened now for the 4th time.
Driving along at between 40-50, have been on the road for 20 min to an hour each time and it goes from normal acceleration to struggling to accelerate at all.
Current remedy is to pull over, turn the car off, raise the hood, look at it, close the hood, restart the X and go along my merry way like nothing was the matter.
Each of the other times it was while I was driving but this time was with my daughter and she was not prepared for this situation.
2001 Limited, 4x4, 7.3, Injen Cold Air Intake, 4" Banks exhaust.
I have a 2001 F350 with a7.3 power stroke, 6 speed manual with manual t case and hubs. I have a bad grinding noise when in 2 wheel drive. Similar sound as if you are trying to shift t case into 4 wheel drive too slowly. The grinding is constant in 2 wheel drive, but if I shift it into 4 wheel drive, the noise completely goes away. I have been driving around in 4 wheel drive (T case only, manual hubs not locked) for the past 2 days. If I shift back into 2 wheel drive, a constant terrible grinding noise returns. What could be wrong, and why it goes away in 4 wheel drive?????
View 3 RepliesI bought this 2010 f150 from the company I work for, front diff was shot, front drive shaft was in the bed, that's all I knew about the truck so I bought a complete front diff from a used place, it only has 58000km on it, good diff... So I installed the diff and the old front drive shaft, which doesn't seem to be in the best condition, now when 4 wheel drive is engaged I'm getting a constant clunk/binding noise from the front driveshaft area. Where to start looking.
View 2 RepliesI recently bought a 1995 Bronco. The rear axle makes a pretty awful noise. I put it on jackstands and ran it while I laid under the truck and it's coming right from the differential. It makes a constant howling noise and it felt like there was something banging against the inside of the case.
I removed the inspection cover and drained all the fluid out. It looked like chocolate milk, but the gears themselves all look fine. I didn't find any broken teeth, metal shavings, pieces of bearings, etc. in the case. It looks like a perfectly normal differential.
The truck has 166,000 miles on it and doesn't appear to be abused at all.
Here's a video I shot of the noise. You can't really hear the howling noise but the knocking sound is pretty audible. The frequency changes with the wheel speed. The sound is definitely coming from the differential.
Bronco axle - YouTube ....
I have been having recent A/C problems with the climate control in the EX. Upon acceleration the air flow diverts to the defrosters and then when you reach the top of the hill for example the A/C goes back to the vents. I think its possibly a vacuum problem so I looked under the dash and found a ribbed white plastic hose that looked like it came detached. The end of it has a back elbow piece on it with a rectangular tab that looks like it slides or snaps into a slot to secure it. Just wondering if this could be part of the issue or just info on where to reconnect it..
2003 Ex 10 cyl eddie bauer....
So, my "new to me" 04 Excursion makes a belt chirping sound for a second with hard acceleration, usually 2nd gear, not always, but should I be concerned, I can't tell if it's the transmission, it does NOT appear to be slipping. I googled the scenario and people are mentioning a tensioner or belt that should be replaced.
View 10 RepliesV-10 getting a weird hesitation on acceleration and rough, sporadic idle. Fuel filter is brand new, spark plugs only have 8000 miles on them. If im just cruising and give it just a little gas it gets real rough and wont smooth out unless I give it more gas. What else could it be? Coil packs?
View 14 Replies