something not quite right
#1
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Year: 1999
Model: Cherokee
something not quite right
So if you saw my other thread a few days back, had an issue with engine temp not getting up to temp on my 99 xj. This was after a newly installed water pump. Changed out the failsafe stat (piece of junk) for a mopar and temp issue solved. However, now when I crank it something doesn't sound right. Has a "hollow" sound to it. Standing outside the jeep at idle sounds fine. Its only when I'm inside the jeep do I hear it. Mostly at start up. But while idling too just not as noticeable. I have checked every hose, clamp, etc and all is good. Jeep drives just fine. Engine temp normal. Heater working fine. Been checking coolant level past few days to make sure I don't need to add any and haven't needed a drop. Stumped! Any thoughts?? Thanks.
#3
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Year: 1999
Model: Cherokee
Im not sure what flex plate bolts are. Ill have to look that up. I know describing the sound as "hollow" is pretty vague. Not sure how else to describe it. It sounds a little louder now at start up. Inside the cab that is. Like maybe something isnt right in the dash or as the fire wall. Can it be something with the heater core? Is there a flap or something that might be stuck open from when I washed it out with water hose?
#5
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Im not sure what flex plate bolts are. Ill have to look that up. I know describing the sound as "hollow" is pretty vague. Not sure how else to describe it. It sounds a little louder now at start up. Inside the cab that is. Like maybe something isnt right in the dash or as the fire wall. Can it be something with the heater core? Is there a flap or something that might be stuck open from when I washed it out with water hose?
Last edited by 97grand4.0; 12-11-2015 at 09:43 PM.
#6
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Year: 1999
Model: Cherokee
Engine: 4.0
Im not sure what flex plate bolts are. Ill have to look that up. I know describing the sound as "hollow" is pretty vague. Not sure how else to describe it. It sounds a little louder now at start up. Inside the cab that is. Like maybe something isnt right in the dash or as the fire wall. Can it be something with the heater core? Is there a flap or something that might be stuck open from when I washed it out with water hose?
The flex plate is bolted on the end of the crank (large round plate with teeth all around it) and that is what the starter engages when you turn the key to the start position and the engine turns over. They come loose some times and will make noise but not quite like you describe.
#7
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Year: 2001
Model: Cherokee
Engine: 4.0 165,00 Miles
I don't know if not burping your system could cause this sound. Maybe someone can chime in or you can try it if you didn't do it earlier.
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