I have a 1996 buick regal v6. recently it started aking a loud tapping noise from under the hood. it sounds like its on the passengers side. it gets louder as i accelerate and when i reach a speed over 45 mph my car starts to shake. what is weong and how much is this going to cost me... roughly?
It sounds like you have a rod problem. If that is the case the engine will need to be taken apart to be fixed. Price varys from shop to shop but they can do a bunch of tests on it and tell you exactly what is wrong with it for about 80 to 100 dollars
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Depends on what went pop. What color was the smoke? If it was white and the engine was hot you may be lucky and just have blown a radiator hose. If the smoke was black or blue that would be more in line with an oil leak which may still not be the end of your car. You need to have someone look under the hook and determine where the pop sound came from.
There is an Air box under the hood near the front of the engine compartment right behind the headlight housing. But I wouldn't use that if you want to seafoam the engine. You would have to bypass the mass airflow sensor in order not to damage it. Your best bet is to disconnect the brake booster vacuum hose line and administer the seafoam through that.
Check for leaks in the brake lines and calipers or brake cylinders. If leaking have it repaired right away its not safe. Change the brake fluid, take the old fluid out add new fluid or have it professionally done.
It sounds like your power steering pump as you said, but I would start with changing the main drive belt. I have come across this same problem before. If you change out the belt and you still have this problem, remove the belt and start the engine. Turn the wheels left and right and listen for the noise. If the noise is gone then put the belt back on and check again. If the noise comes back then you have a component problem. I have seen the belt tensioner to make noises as you describe. I hope this helps you. Let me know if this is helpful to you.
The groaning noise is the power steer pump operating under duress. I would suggest having the front suspension checked for any seized or failing ball joints or control arm problems. Most suspension guys will give the undercarriage a look over for you for free to check for any failing/unsafe parts. The engine belt driving the power steer pump should also be checked in case it needs adjustment.