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« 1 2 (3) 4 5 »

Re: 356 timing sprocket damage
#21
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Owen_Dyneto
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Just putting the transmission in gear and firmly applying the parking brake has been sufficient for me to remove the vibration damper bolt.

Posted on: 8/20 17:50
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Re: 356 timing sprocket damage
#22
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Scienceaddict
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Unfortunately, motor and trans are not in the car. I tried putting torque on the trans yoke, with it in 4th and the breaker bar braced on the ground, but it was kind of springy and I didn't like the feel, didn't want to brake anything else unnecessarily.

Posted on: 8/20 17:54
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Re: 356 timing sprocket damage
#23
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HH56
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You might be able to lock the vibration damper or ring gear down with something fabricated to tighten with the rotation and work like a strap wrench. Another possibility might be a block of wood that would wedge between the ring gear and bellhousing. If not, maybe an impact wrench would do the job.

Posted on: 8/20 18:23
Howard
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Re: 356 timing sprocket damage
#24
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Owen_Dyneto
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4th?

Posted on: 8/20 18:25
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Re: 356 timing sprocket damage
#25
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Scienceaddict
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So update, got my dad and was going to try again with him locking the trans yoke with a pipe wrench, and me on the front bolt. Wanted to show him how I usually break them loose, bumped the starter twice, and it came free.

For the first time ever it feels like, a 3 jaw puller actually worked as it was supposed to, and even though as usual I set it up wrong 3 times, the balancer came off without a fuss.

Crank gear and chain seem unscathed, however, the cam gear is no more, galled the cam nose a little bit on its way out too. All fresh breaks, definitely was me that broke it not an old issue. Cam does rotate just a hair back and forth, and I was able to get just enough slat that I could feel all of the tappets are free in their bores, though I can't speak for the hydraulic function of them.

The oil pump doesn't want to come out easy, I got it backed out about two inches, and so I don't think it's engaged with the cam anymore, so it's definitely just stuck valves being the problem now.

What I wasn't expecting, was the absolute condominium of a mouse nest in the oil pan, they apperently got in through the oil pump hole in the block and went to town, interesting to see the extent of that when I drop the pan to clean it out. Wasn't in the plan, but now I gotta do it I guess.

So if someone has a spare 356 cam sprocket they'd let go cheap, I'm in the market.

Photos of the destruction, and where I'm calling it for tonight.

Posted on: 8/20 21:27
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Re: 356 timing sprocket damage
#26
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Quote:

Owen_Dyneto wrote:
4th?


Sorry, 3rd. Not used to the world of 3 speeds yet, used to my fragile-as-glass British 4 spd gearboxes.

Posted on: 8/20 21:29
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Re: 356 timing sprocket damage
#27
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PackardDon
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Maybe try an impact wrench which should loosen it without bracing anything else.

Posted on: 8/20 23:17
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Re: 356 timing sprocket damage
#28
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Scienceaddict
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I guess the pictures didn't post for some reason. Let's try again.

Attach file:



jpg  20220820_194348.jpg (5,233.58 KB)
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jpg  20220820_194359.jpg (4,092.45 KB)
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jpg  20220820_194621.jpg (4,532.68 KB)
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jpg  20220820_194740.jpg (4,882.66 KB)
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jpg  20220820_194743.jpg (4,144.44 KB)
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jpg  20220820_202028.jpg (5,302.97 KB)
225584_630246a351fe1.jpg 4032X3024 px

Posted on: 8/21 9:53
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Re: 356 timing sprocket damage
#29
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Dell
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From what is visible in the oil pan I would suggest you completely disassemble the engine and see what parts are usable.

Posted on: 8/21 10:28

35-1200 touring sedan
42-110 convertible coupe
48-2293 station sedan
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Re: 356 timing sprocket damage
#30
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flackmaster
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gear in hand, will send.

I concur with the obvious, need to pull the head, play with the valves and likely re-ring the pistons and clean the bores. Clean, scrape and powerwash everthing possible. Be careful to mark/inspect the rod bearings, you likely re-use unless necessary as replacements are expensive, hard to find and a path to an expensive overhaul.

DAF

Posted on: 8/21 10:59
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