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Noisy lifter #1336129 Mon Dec 02 2019 08:30 PM
Joined: Aug 2005
Posts: 8,758
Tiny Offline OP
Global Mod
'53 full pressure 235 with 22K miles. The engine has spent most of it's life just sitting. One lifter is noisy when cold and stops tapping after a few minutes. It's been just over a year and two oil changes. I'd hoped it was just a piece of debris and would eventually flush out with the clean oil but that hasn't happened yet. What's the chances this will eventually self resolve?


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
Re: Noisy lifter [Re: Tiny] #1336132 Mon Dec 02 2019 08:52 PM
Joined: Apr 2005
Posts: 7,874
J
Justhorsenround Offline
Grease Monkey, Moderator General Truck Talk & Greasy Spoon
Probably not. I would try Jerry’s diesel flush method. Three qts of diesel in the crankcase along with your oil and high idle for 15-20 minutes. No driving or load on the engine. Drain while hot and change the filter. Fresh oil of your choice and go for a drive. It’ll be clean enough to eat off of on the inside and everything will be thoroughly lubed.🛠


Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne 4dr 230 I-6 one owner (I’m #2)
‘39 Dodge Businessmans Coupe


"I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line" and lock up those on the wrong side of that line.

Re: Noisy lifter [Re: Tiny] #1336133 Mon Dec 02 2019 09:04 PM
Joined: Nov 2000
Posts: 1,735
F
Frank50 Offline
Shop Shark
It may be air in the lifter. Pre68Dave has a fix for that on his site:
http://chev235guy.blogspot.com/search/label/Hydraulic%20Lifter%20Noise
Although the engine oil flush may cure the problem.


Professional Novice
Re: Noisy lifter [Re: Tiny] #1336134 Mon Dec 02 2019 09:11 PM
Joined: Jan 2013
Posts: 1,522
S
sstock Offline
Shop Shark
I had brand new everything on my hydraulic lifters and could never get them to stop tapping, also grooved the push rods, nothing would cure it. Finally converted back to solids and as strange as it seems, they are quieter than the hydraulics. Plus the solids tick not tap like that noisy hydraulic did.

Last edited by sstock; Mon Dec 02 2019 09:14 PM.

1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
https://www.youtube.com/watch?v=Bli...n05i04t1aokgm4p04jiwgffwhyyih5xbk0h00410
1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration
Re: Noisy lifter [Re: Tiny] #1336137 Mon Dec 02 2019 09:46 PM
Joined: Aug 2019
Posts: 10
D
DES57 Offline
New Guy
I had a brand new Ford Fiesta back in the seventies with noisy lifters. Dealer said it was natural but none of the others I listened to were that noisy. So, even under warranty, I opened the valve covers, tightened each lifter nut about a quarter turn, and quite as a sewing machine.


Newbie Classic Owner, 1957 Chevy 3200
Rebuilt 350 pushing a rebuilt TH350
Re: Noisy lifter [Re: Tiny] #1336150 Mon Dec 02 2019 11:20 PM
Joined: Jun 2004
Posts: 8,128
W
Wrenchbender Ret. Offline
Master Gabster
It may need adjusting like Des says. The parts may be wore down enough that the plunger is at the end of the cyl. After it warms up the expantion takes up the slack.
Or just changing the position might do it.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.

1956 Chevy 1/2-Ton Pickup

Re: Noisy lifter [Re: Tiny] #1336159 Tue Dec 03 2019 12:21 AM
Joined: Mar 2010
Posts: 8,631
5
52Carl Offline
Master Gabster
I have the same engine with similar mileage on a complete rebuild. It has one lifter which does the same thing yours does. The significant tapping goes away once the engine warms up, then runs as quiet as a mouse.
I had a discussion with pre-68 Dave about this particular issue and he said that this particular issue is not due to air trapped in the lifter and would not be fixed by making grooves in the end of the pushrod.
You either have to live with it or pull the lifter, disassemble and repair it or buy a new lifter.

Re: Noisy lifter [Re: Tiny] #1336204 Tue Dec 03 2019 05:55 AM
Joined: Jan 2013
Posts: 1,522
S
sstock Offline
Shop Shark
Chances are all repo lifters are off shore, so good luck on getting any satisfaction with that one. Just bought a delco remy dimmer switch and it literally fell apart in my hand taking it out of the box. Made in Taiwan.


1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
https://www.youtube.com/watch?v=Bli...n05i04t1aokgm4p04jiwgffwhyyih5xbk0h00410
1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration
Re: Noisy lifter [Re: Tiny] #1336213 Tue Dec 03 2019 12:46 PM
Joined: Aug 2005
Posts: 8,758
Tiny Offline OP
Global Mod
It's likely an OEM lifter given the history of the vehicle.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
Re: Noisy lifter [Re: Tiny] #1336449 Wed Dec 04 2019 09:12 PM
Joined: Jul 2014
Posts: 139
1
1Ton_tommy Offline
Shop Shark
I would not use the diesel flush method to clean it when running. I did this once on an old Cadillac V8 with disasterous results. Spun a rod bearing, ruined the crank. Also be wary of replacing the lifter that has work hardened and "worn in" to that cam lobe. I would start by adjusting the lifter by the book and failing that removing the lifter, disassembling it and cleaning it in whatever your rubber gloves can stand up to. Look for a collapsed or broken spring under the check ball, a pitted check ball or seat. You can replace the internal parts of the lifter except the inner piston which is likely a lap fit to the bore. I would avoid replacing the lifter body if possible.

If you must replace the lifter body make sure that it is the proper material (chilled iron, steel, etc.) Then make sure weather the cam is ground flat or tapered. If it is tapered make sure the lifter it is ground to a crown shape and is not flat. If they are flat and the cam is tapered, they will gall one side of the lobe and/or the edge of the lifter, making short work of the cam. Many cams are ground to a 1 or possibly 2 degree offset from square with the line of the cam bearings. The object is to make the lifters rotate, reducing wear.

On a past job, I was able to grind a 1 degree crown on flat lifters that had been on another cam, which had been ground flat for reasons I no longer remember. I used a fine paper on a bench-mounted belt/disc sander with the table set to 1 degree. I checked them with a machinists square and magnifying glass under a bright light. I used cam-assembly lube and observed break-in procedures. The cam has been in the engine about 10 years and about 100,000 miles. If you are careful you can successfully do a lot of hand fitting.

I someone knows of specific years/cams that are ground flat, please weigh in here.


51 3800 PU, 55 235 (w/cam, headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971.
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