Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Squealing and grinding noise from engine like metal

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Old Jan 19, 2022 | 03:42 PM
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Default Squealing and grinding noise from engine like metal

Last post I was sure it was the power steering pump making the noise, I took the belt off and the noise is there still. Is it just a bad pulley on the ac compressor at this point?
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Old Jan 19, 2022 | 08:45 PM
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Default Re: Squealing and grinding noise from engine like metal

Originally Posted by Februarywinter
Last post I was sure it was the power steering pump making the noise, I took the belt off and the noise is there still. Is it just a bad pulley on the ac compressor at this point?
It may be the adjustment idler for the A/C pump or the A/C compressor itself... remove that belt as well and see if the noise goes away.
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Old Jan 20, 2022 | 01:03 AM
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Default Re: Squealing and grinding noise from engine like metal

start at the outermost belt first and work your way in. on the d15b7 its the AC belt first, then the Alternator, then (hopefully its one of those 2) its time to dig into the timing belt area, either the waterpump is about to poop the bed or the tensioner is about to.
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Old Jan 20, 2022 | 01:18 AM
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Default Re: Squealing and grinding noise from engine like metal

This usually because the belt is loose, or the tensioner is broken.
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Old Jan 20, 2022 | 04:55 AM
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Default Re: Squealing and grinding noise from engine like metal

Originally Posted by JRCivic1
It may be the adjustment idler for the A/C pump or the A/C compressor itself... remove that belt as well and see if the noise goes away.
If I’m looking to remove the ac belt sort of at the last what else can I do? The ac belt is very deep in there hard to get to so I could take it out but might not feel like putting it back in.

Originally Posted by youstolemybeer
start at the outermost belt first and work your way in. on the d15b7 its the AC belt first, then the Alternator, then (hopefully its one of those 2) its time to dig into the timing belt area, either the waterpump is about to poop the bed or the tensioner is about to.
Yeah I’m already removing the belts, I might check the timing belt too just to be sure. And it’s a d16y8 so the ac belt is very much down there.

Originally Posted by MaXpeedingRods
This usually because the belt is loose, or the tensioner is broken.
I’m thinking more on the tensioner but I’ll look at both, thanks all!
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Old Jan 24, 2022 | 02:40 PM
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Default Re: Squealing and grinding noise from engine like metal

okay, back to update as I said. from what has been done the power steering pump belt and the a/c belt is removed. I hand spinned the pulley next to the dipstick, I think it’s called the idler pulley. And it definitely was not smooth, is the pulley the problem or is it some kind other thing like a bearing? Also I’m just curious does this problem occur only because it’s 22 years old?
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Old Jan 25, 2022 | 04:27 AM
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Default Re: Squealing and grinding noise from engine like metal

It sounds like you're describing the idler pulley for the AC compressor. It has a sealed (non-serviceable) bearing in it that can go bad over time. Remove the nut from the center of the pulley (12mm, I think), and remove the pulley. Pay attention to any spacer, collars, washers that are behind and in front of the pulley, and make sure you keep them in the correct order for when you reinstall the pulley. You can either press out the bearing and replace just the bearing, or you can buy a new pulley with a new bearing in it and bolt it back onto the car.
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Old Jan 25, 2022 | 08:38 AM
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Default Re: Squealing and grinding noise from engine like metal

Originally Posted by Februarywinter
okay, back to update as I said. from what has been done the power steering pump belt and the a/c belt is removed. I hand spinned the pulley next to the dipstick, I think it’s called the idler pulley. And it definitely was not smooth, is the pulley the problem or is it some kind other thing like a bearing? Also I’m just curious does this problem occur only because it’s 22 years old?
There is your problem. Replace the A/C idler/tensioner pulley.
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Old Jan 25, 2022 | 11:40 AM
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Default Re: Squealing and grinding noise from engine like metal

Originally Posted by DaX
It sounds like you're describing the idler pulley for the AC compressor. It has a sealed (non-serviceable) bearing in it that can go bad over time. Remove the nut from the center of the pulley (12mm, I think), and remove the pulley. Pay attention to any spacer, collars, washers that are behind and in front of the pulley, and make sure you keep them in the correct order for when you reinstall the pulley. You can either press out the bearing and replace just the bearing, or you can buy a new pulley with a new bearing in it and bolt it back onto the car.
Originally Posted by JRCivic1
There is your problem. Replace the A/C idler/tensioner pulley.
Oh so I just have to get a new one. Does the new pulley not come with the washers or other stuff like that or do I use the old washers?
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Old Jan 25, 2022 | 12:07 PM
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Default Re: Squealing and grinding noise from engine like metal

Originally Posted by Februarywinter
Oh so I just have to get a new one. Does the new pulley not come with the washers or other stuff like that or do I use the old washers?
They only come complete from Honda... other aftermarket brands may come complete or individual. Replacing the outer bearing protector washer isn't really necessary unless yours is damaged... or you want a pretty new shiny one. The inner collar and washer is merely for proper spacing and alignment, so they aren't really a "Wear Item" and don't need to be replaced unless your pulley/bearing seized and damaged the surrounding components. So, if your parts are Dark/Purple in color... replace them. If not... just get a new pulley.

The complete assembly from Honda part number is: 38950-P2K-305. The individual pulley from Honda part number is: 38942-PM3-000, but it is discontinued. Either of these parts might cross reference to the proper replacement part at your local Auto Parts Store.
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Old Jan 25, 2022 | 12:53 PM
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Default Re: Squealing and grinding noise from engine like metal

Thanks a lot I know what to do now ^-^ !!
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