I'm sorry for your loss.Spent a nice weekend camping in the mountains with friends then got an awful knocking noise on the way back to town. It took a while to notice it because my camp stove rattles in the truck and I was listening to the stereo. By the time I really noticed the noise was not just my gear rattling around, turned off the stereo, determined it was coming from the truck and found a safe place to stop it was knocking and rattling like the dickens. Lost maybe 40% power by the very end and temp crept up to 207 (would normally be around 187 under these conditions). It did not lose oil pressure according to the gauge, did not lose oil. Fan and belts all tight and normal, no leaks other than the same old ones. Engine died as I rolled to a stop in D (did not turn off ignition). I was able to fire it up again, but the noise was terrible, so I just shut it back down right away.
I'm pretty sure the engine is toast, but I haven't had time to fully look into it. 340k miles, so I'm not too sore about it, but it was running like a top with no symptoms just the day before.
Any theories as to anything other than internal engine failure that might cause a clattering, knocking noise like a motor in it's death throes? Definitely not coming from the PS pump, but I could not pinpoint where the noise originates other than "from the engine." Timing chain? Water pump? Kind of afraid to start it up.
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And kudos to the tow truck guy for helping me get it into the garage without starting it up.
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Having a "sudden" start to clattering like that usually means it's catastrophic.
Drain the oil, then let us know if you have a pan full of glitter or Mocha Latte.