Volvo - V70 :: 1999 - Loud Engine Rattle All Of A Sudden
Jan 8, 2014
I have a loud engine rattle like there's a golf ball bouncing around in the engine. So far the mechanics have no idea where the knocking is coming from. Here's a video of the sound at idle. If you attempt to drive (or rev above 1500rpm) the sound becomes very loud and is then obviously undrivable.
It's a 1999 Volvo V70, 2.4L, non-turbo, automatic has 260,000km or 162,000mi
[URL] ....
Listen for the fuel injectors and the lifters. Under that there is a low, steady Knock. There is also a louder bang that is irregular. It sounds like I'm hitting the camera or the car but it comes from within the engine! First it's irregular then catches up with the engine speed. What those noises might be?
I was just beginning a road trip and all the fluids were checked. Engine has appeared to be fine for years. I pretty much only use Shell silver grade gas.I had filled up the tank 100 km prior.I had just changed the oil and filter 200km prior.Symptoms appeared as I was pulling on to the highway for the first time that day.
As I accelerated on to the on ramp (with four passengers) the oil pressure light came on.5km after that I thought I heard a low oil ticking so I pulled over to check and as I did, the engine really started knocking and whining. Checked the oil and it was full and later I found out there was pressure. Coolant was okay too. Turned the car on and oil pressure light never came back on. No check engine light.As I tried to get off the highway the knocking was so bad I could barely drive it. Probably should have left it. Got off the highway and called a tow truck.
The mechanic has drained the oil and found metal filings. He checked the timing belt and it is fine and hasn't slipped. No idea yet where the sound is coming from.
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Here is a link to the sound, you might have to turn up the volume because it is a little low. You can hear it best around 14 sec: [URL].....
So today I jacked it up to see if I could see anything and I found oil all around the haldex stuff. Here are some pics I took of the leak. There is also a bright yellow spot you can see through a hole. Not sure what that means. The haldex service was done, maybe 5-10k miles ago, I'd have to look it up to figure out exact time. In one of the pics you might notice black silicone around one of the plugs, this was because when I did get it serviced for the first time, someone before stripped the bolt so the mechanic put that around it to hold it in. It still looks like it is on there pretty well so I don't think that is the issue.
This isn't a big deal but I noticed this plastic part isn't bolted down, I really don't think the noise would be from this but posted just in case.
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