I bought a '88 Honda Accord LX with over 200,000 mi. the other day. It makes a loud rattling noise under the hood. Almost like an aluminum can. The previous owner said it is a loose bracket in the exhaust? Anyone have an idea to what it could be?
The problem is actually caused by the Timing CHAIN not the timing belt...THE CHAIN!!! There's a chain in the back of your engine which rotates the bearings of your engine. When the timing chain heats up, it hits the bearings thus making a rattling noise. There are two solutions for it. Either you get a new timing CHAIN which would cost around $1000 because the entire engine needs to be taken out. Otherwise, if the sound doesnt bother you, continue driving since it wont cause any significant damage to the engine itself. I suggest you continue driving while the car is still running.
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The O2 sensor could have come loose, also look around the area of the O2 sensor for any cracks in the pipe, look for black coloring on the pipe, this will indicate the leak area. As exhaust smoke is blackish and will coat the leaking area.
I do not think that the battery change and the noise for the a/c is related, probably just a coincidence.
If the a/c makes a loud noise when it is turned up, I would try switching to vent to see if the noise is still there. If it is, then it is the ventilation fan likely located on the firewall or under the dash under some plastic paneling.
This is something you have to remove the door panel to before you can say what it is. But I don't advise a DIYer doing it because its a little tricky. I recommend taking it to a body shop . They do this stuff in their sleep let them deal with it. If you try it and mess up then you have no door lock. This is not a big repair.
It could be the ABS. MY HONDA DOES THE SAME THING.
I took it to PepBoys yesterday and they could not connect to the
computer interface.They said I need to take it to a honda dealer
so they can connect and determine what is wrong with the
Automatic breaking system. The noise is the ABS motor
turning on and off.
is your ac compressor located on the left side as well and also try your ac if its not blowing to cold the rattling could be your ac clutch on the compressor if that is you will have to get a new clutch kit from your local auto parts store to fix it