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| | | | Joined: Nov 2017 Posts: 8 'Bolter | | 'Bolter Joined: Nov 2017 Posts: 8 | After retiming the engine, i noticed a new "rattle". Seems like it's coming from about the middle, around cylinders 3&4. Sounds like a loose nut is moving around somehow. i've removed the valve cover and nothing obvious. The engine runs fine and sounds fine other than the rattle. I've removed the pushrod cover, nothing to report. it's definitely inside the engine. any ideas?
thanks a bunch,
Many Blessings,
Oldtruckspapa
Blessings,
Oldtruckspapa
| | | | | Joined: Feb 2023 Posts: 190 'Bolter | | 'Bolter Joined: Feb 2023 Posts: 190 | My 62 C10 has a 1960 235 in it . It runs good and has good oil pressure. It also ticks and rattles. Runs better than it should 👠| | | | | Joined: Jan 2019 Posts: 2,243 Herder of Cats, Goats, and Sheep (moderator) | | Herder of Cats, Goats, and Sheep (moderator) Joined: Jan 2019 Posts: 2,243 | Have you checked the lash on the valves? | | | | | Joined: Jan 2000 Posts: 734 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 734 | If you're convinced the valves are properly adjusted, removing oil pan may be your best option to find a loose nut. That's not a terrible thing, just kinda messy. 
Matthew 6:33 1952 Chevy 1/2-ton 3100 Late '55 235/SM420/torque tube 3.55 Dalton Highway survivor (using original 216) www.truckwithaheart.com | | | | | Joined: Nov 2017 Posts: 8 'Bolter | | 'Bolter Joined: Nov 2017 Posts: 8 | thanks very much everyone. really appreciate your input!!
Blessings,
Oldtruckspapa
| | | | | Joined: Jan 2014 Posts: 3,690 'Bolter | | 'Bolter Joined: Jan 2014 Posts: 3,690 | Valve adjustment first. But also check for exhaust leaks. All the sheet metal makes exhaust leaks sound like knocks and ticks.
1951 3100
| | | | | Joined: Sep 2019 Posts: 165 'Bolter | | 'Bolter Joined: Sep 2019 Posts: 165 | I have a '61 model 235 that has a similar sound, like a nut or something is clanking around in the oil pan intermittently . The engine runs fine so I wonder if it is just exhaust expansion,
I invest my money in precious metals, mostly rust!
| | | | | Joined: Jul 2014 Posts: 1,293 Moderator for Tons o' Fun , Co-Moderator Driveline Forum | | Moderator for Tons o' Fun , Co-Moderator Driveline Forum Joined: Jul 2014 Posts: 1,293 | Curious why the "re-timing" ? If you put the timing back to where it was before, does the noise go away or is it just coincidence that the noise occured after retiming?
Ron - - Dusty53 1954 Chevy 3604In the Gallery Forum "You can't dance with the Devil and then wonder why you're still in Hell."
"They will forget what you've said, and they will forget what you have done but they will never forget the way you made them feel." | | |
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