I've had a couple threads that covered a couple topics. So at the suggestion of another forum member i'm starting a tear down thread as I find the issue.
Back story - I have a really bad tick. Probing around with the stethoscope the sound was loudest at the second to last bolt on the bottom. It could be an exhaust leak but it really sounded like valve and just to be safe I wanted to tear into her.
Tonight I got the valve cover off on the drivers side. It was fairly easy to get off. It required taking the power steering fluid reservoir, bracket, disconnecting the coil pack, cam position sensor, and removing the egr tube ( 1 1/16 wrench btw ). I also removed the intake tube and sensors.
Here is the result. I expected to pull it off and get a nasty sludge blocking all sorts of oil passages but much to my surprise ---
I noticed a light dusting of fine metal particles around the second from the sprocket cap. I took that cap and the third cap off and noticed some scarring to the cam and cap more so on the cap then cam. The cam was fairly smooth still the caps were a little rough. I can't seem to get a good picture of the caps unfortunately.
I turned the engine over with the two caps off - redneck style. By redneck style I mean I used a pair of jumper cables to short the solenoid to turn over the engine. Most people would probably use a switch, or a second person, I improvised.
Oil seeped from under the cam on those two caps I removed. So I know it's getting oil.
Previous to taking those two caps off I took the first cap off closest to the sprocket where I figured the oil restrictor was. I wanted to check if it was plugged in any way shape or form. No plug was found. I started the engine with that cap off and oil sprayed 10' away -- video of that will be coming shortly. It was quite amusing watching it spray everywhere. I'll probably develop cancer soon from the oil bath I took.
So basically here is what i've found other then the scarring that might be causing my tick... nothing. No keepers rattling around, everything feels tight. Lash adjusters seem to be functioning correctly. No observed tick with the engine not running.
So the thought now since the sound is towards the bottom of the head and isn't apparent when turning over the engine without combustion that it is an exhaust leak.
Since the scarring is relatively minor and the caps are getting adequate oil, i'll likely just slap it back together and deal with the tick. If I have more stuff break at a later date that requires digging further into the engine i'll take both heads off, do a valve job and replace the scarred head.
So I guess my next project is still to drop the pan and check/change the oil pickup tube to hopefully solve my oil pressure issue at highway speed.
Back story - I have a really bad tick. Probing around with the stethoscope the sound was loudest at the second to last bolt on the bottom. It could be an exhaust leak but it really sounded like valve and just to be safe I wanted to tear into her.
Tonight I got the valve cover off on the drivers side. It was fairly easy to get off. It required taking the power steering fluid reservoir, bracket, disconnecting the coil pack, cam position sensor, and removing the egr tube ( 1 1/16 wrench btw ). I also removed the intake tube and sensors.
Here is the result. I expected to pull it off and get a nasty sludge blocking all sorts of oil passages but much to my surprise ---
I noticed a light dusting of fine metal particles around the second from the sprocket cap. I took that cap and the third cap off and noticed some scarring to the cam and cap more so on the cap then cam. The cam was fairly smooth still the caps were a little rough. I can't seem to get a good picture of the caps unfortunately.
I turned the engine over with the two caps off - redneck style. By redneck style I mean I used a pair of jumper cables to short the solenoid to turn over the engine. Most people would probably use a switch, or a second person, I improvised.
Oil seeped from under the cam on those two caps I removed. So I know it's getting oil.
Previous to taking those two caps off I took the first cap off closest to the sprocket where I figured the oil restrictor was. I wanted to check if it was plugged in any way shape or form. No plug was found. I started the engine with that cap off and oil sprayed 10' away -- video of that will be coming shortly. It was quite amusing watching it spray everywhere. I'll probably develop cancer soon from the oil bath I took.
So basically here is what i've found other then the scarring that might be causing my tick... nothing. No keepers rattling around, everything feels tight. Lash adjusters seem to be functioning correctly. No observed tick with the engine not running.
So the thought now since the sound is towards the bottom of the head and isn't apparent when turning over the engine without combustion that it is an exhaust leak.
Since the scarring is relatively minor and the caps are getting adequate oil, i'll likely just slap it back together and deal with the tick. If I have more stuff break at a later date that requires digging further into the engine i'll take both heads off, do a valve job and replace the scarred head.
So I guess my next project is still to drop the pan and check/change the oil pickup tube to hopefully solve my oil pressure issue at highway speed.
