- Joined
- Aug 26, 2008
- Messages
- 1,094
- Vehicle Year
- 1994, 2001
- Transmission
- Automatic
- My credo
- Failing is easy. Everyone can do it.
Ok Campers.
I'm not sure what to make of this. So I'll post the youtube video and hope it works so we can figure this out--and how much downtime/repair it is going to take.
I removed the valve cover and the heat riser to check for exhaust leaks at the manifold and the pipe. We have a very minor leak at the flange--but nothing that would create this noise.
I didn't note anything odd when we ran the engine without the valve cover, but then again we couldn't run it more then a few moments due to the oil mess we created.
It sounds loudest under load. If I remove the spark plug wire at the rear left cylinder (It's the one passenger side rearmost.) The noise all but vanishes. (does it very faintly....but not anywhere near as bad) So I'm pretty convinced it's centering on that cylinder---but I've not a clue as what the issue could be? Currently it's off the road (parked) until we can determine what is going on.
Please look at and listen to the video. Any advice is very welcome. As mentioned before: The compression test was 180 and 170 for the entire engine. The other issue was running very poorly when stone cold--so we pulled the plugs--checked great. Compression tested good. Pulled the intake plenum and serviced the injectors. (cleaned and blew out the filter socks. Not sure if that solved the rough running when stone cold at this point.
Thanks in advance all. If this is going to run into a lot of time and $$? I'll probably wind up driving the truck to the family 'barn' and working at it in my spare time. We have it in a garage currently while the rental property is being redecorated (warmer to work in....but loosing it in a few weeks time)
S-
I'm not sure what to make of this. So I'll post the youtube video and hope it works so we can figure this out--and how much downtime/repair it is going to take.
I removed the valve cover and the heat riser to check for exhaust leaks at the manifold and the pipe. We have a very minor leak at the flange--but nothing that would create this noise.
I didn't note anything odd when we ran the engine without the valve cover, but then again we couldn't run it more then a few moments due to the oil mess we created.
It sounds loudest under load. If I remove the spark plug wire at the rear left cylinder (It's the one passenger side rearmost.) The noise all but vanishes. (does it very faintly....but not anywhere near as bad) So I'm pretty convinced it's centering on that cylinder---but I've not a clue as what the issue could be? Currently it's off the road (parked) until we can determine what is going on.
Please look at and listen to the video. Any advice is very welcome. As mentioned before: The compression test was 180 and 170 for the entire engine. The other issue was running very poorly when stone cold--so we pulled the plugs--checked great. Compression tested good. Pulled the intake plenum and serviced the injectors. (cleaned and blew out the filter socks. Not sure if that solved the rough running when stone cold at this point.
Thanks in advance all. If this is going to run into a lot of time and $$? I'll probably wind up driving the truck to the family 'barn' and working at it in my spare time. We have it in a garage currently while the rental property is being redecorated (warmer to work in....but loosing it in a few weeks time)
S-