Gallery Gasket Time?

Rusty · 11-21-2021, 05:08 PM

Quote:

Originally Posted by Rojoryu

We’ll there we have the culprit…

The screw that is shown in the red circle. The edge of that screw and the other screws that hold everything down. You will want to take a center punch to that edge and put a dimple on that edge and into the metal. If you want to feel really safe. Put another punch mark 180 degrees from it. This will keep the screws from backing out and loosening.

Rojoryu · 11-22-2021, 05:40 AM

Quote:

Originally Posted by Rusty

The screw that is shown in the red circle. The edge of that screw and the other screws that hold everything down. You will want to take a center punch to that edge and put a dimple on that edge and into the metal. If you want to feel really safe. Put another punch mark 180 degrees from it. This will keep the screws from backing out and loosening.

Thanks for the suggestion, Rusty. I planned to used some blue loctite and torque down to 11ish lbs, I assume that's not an issue? Does the dimple work by deforming the head of the screw just enough to lock it in place?

I don't want to be that new guy who over posts but I plan to throw some pictures up today to confirm my chain is aligned with the markings correctly before I pull it off. I have been hand turning this thing forever and havent gotten close yet. I'm tempted to mark things where they are now and just remove it.

Rusty · 11-22-2021, 01:16 PM

Quote:

Originally Posted by Rojoryu

Thanks for the suggestion, Rusty. I planned to used some blue loctite and torque down to 11ish lbs, I assume that's not an issue? Does the dimple work by deforming the head of the screw just enough to lock it in place?

I don't want to be that new guy who over posts but I plan to throw some pictures up today to confirm my chain is aligned with the markings correctly before I pull it off. I have been hand turning this thing forever and havent gotten close yet. I'm tempted to mark things where they are now and just remove it.

The dimple displaces metal to lock it. It's standard practice on some equipment.

Take pictures. They will help you. I take pictures all the time when working on something.

Rojoryu · 11-22-2021, 01:59 PM

Quote:

Originally Posted by Rusty

The dimple displaces metal to lock it. It's standard practice on some equipment.

Take pictures. They will help you. I take pictures all the time when working on something.

I took pics of EVERYTHING. After pulling the primary chain off everything moved around a little but I haven't touched the secondaries so I'm not too concerned. I honestly don't feel too confident changing the secondaries out. I should have the boundary gears, new chain, water pump, thermostat, etc tomorrow or Wednesday so I will be able to button it up soon. Here are the pics I took before removing it.

Rojoryu · 11-23-2021, 04:16 PM

Well, I think I made a pretty stupid mistake. When I was turning the motor over by hand to time it, I didnt use the pulley or a spacer, I just put the bolt directly into the crankshaft. When I went to pull the bolt out after timing it I noticed it was a little tough coming out. And now it wants to bind up going back it after a few turns. I ordered a new bolt, but my fear is that I damaged the threads in the crankshaft. I assume I can chase the threads if that's the case but it's not something I have any experience with. Any suggestions?

redondoaveb · 11-23-2021, 04:34 PM

Quote:

Originally Posted by Rojoryu

Well, I think I made a pretty stupid mistake. When I was turning the motor over by hand to time it, I didnt use the pulley or a spacer, I just put the bolt directly into the crankshaft. When I went to pull the bolt out after timing it I noticed it was a little tough coming out. And now it wants to bind up going back it after a few turns. I ordered a new bolt, but my fear is that I damaged the threads in the crankshaft. I assume I can chase the threads if that's the case but it's not something I have any experience with. Any suggestions?

I wonder if the bolt bottomed out in the crankshaft and smashed the first couple of threads on the bolt. Hopefully pulling the bolt out didn't damage the crankshaft threads but I wouldn't think so. Fingers crossed

Rojoryu · 11-23-2021, 04:50 PM

Quote:

Originally Posted by redondoaveb

I wonder if the bolt bottomed out in the crankshaft and smashed the first couple of threads on the bolt. Hopefully pulling the bolt out didn't damage the crankshaft threads but I wouldn't think so. Fingers crossed

I'm hoping the same. Measuring everything out it looks like the threads on the bolt stop right about where it would bottom out in the crankshaft.

Jhill · 11-23-2021, 04:39 PM

Quote:

Originally Posted by Rojoryu

Well, I think I made a pretty stupid mistake. When I was turning the motor over by hand to time it, I didnt use the pulley or a spacer, I just put the bolt directly into the crankshaft. When I went to pull the bolt out after timing it I noticed it was a little tough coming out. And now it wants to bind up going back it after a few turns. I ordered a new bolt, but my fear is that I damaged the threads in the crankshaft. I assume I can chase the threads if that's the case but it's not something I have any experience with. Any suggestions?

Once you get the new bolt so you no longer need the old one you can clean the threads up on the old bolt and cut 2-4 slots lengthwise on the old bolt and use it as a thread chaser to clean up the crank.

Spooler · 11-23-2021, 04:45 PM

Quote:

Originally Posted by Rojoryu

Well, I think I made a pretty stupid mistake. When I was turning the motor over by hand to time it, I didnt use the pulley or a spacer, I just put the bolt directly into the crankshaft. When I went to pull the bolt out after timing it I noticed it was a little tough coming out. And now it wants to bind up going back it after a few turns. I ordered a new bolt, but my fear is that I damaged the threads in the crankshaft. I assume I can chase the threads if that's the case but it's not something I have any experience with. Any suggestions?

Been there and done that before a long time ago. Chase it with a bottom tap with the correct thread pitch. Problem solved.

Rojoryu · 11-24-2021, 07:04 AM

Quote:

Originally Posted by Spooler

Been there and done that before a long time ago. Chase it with a bottom tap with the correct thread pitch. Problem solved.

If I wanted to buy a tap instead of making one, what size and thread pitch would it be? I've searched everywhere, called the dealer, local Indy shop and still no answer. The closest I could find on the internet was m16x1.5 but it was never confirmed.

Tractionless · 11-25-2021, 07:49 AM

Quote:

Originally Posted by Rusty

The dimple displaces metal to lock it. It's standard practice on some equipment.

Applying the dimple won't screw up the threads in the hole or be the cause of cross threading etc? Curious as to why not high temp. thread locker.

Dreadnaught · 11-25-2021, 07:31 PM

Using just a c*nt hairs worth of blue loctite will work just fine.

Rusty · 11-25-2021, 08:21 PM

Quote:

Originally Posted by Dreadnaught

Using the just a c*nt hairs worth of blue loctite will work just fine.

If you can get the hole completely free of oil and dry. Blue locktite is better

Dreadnaught · 11-25-2021, 09:42 PM

Quote:

Originally Posted by Rusty

If you can get the hole completely free of oil and dry. Blue locktite is better

Use a blow gun while hooked up to shop air and hold the nozzle to each hole and blow them out one by one. Then I'd spray them out with brake clean. Then, you could blow them out again and wait for each hole to dry before installing the new gaskets.

Brake clean should also work if you don't have access to shop air.

Rusty · 11-25-2021, 08:20 PM

Quote:

Originally Posted by Tractionless

Applying the dimple won't screw up the threads in the hole or be the cause of cross threading etc? Curious as to why not high temp. thread locker.

Dimpling the edge of the screw won't damage the threads. Too far away. You don't touch the threads.

11-25-2021, 07:31 PM	#12 (permalink)
Dreadnaught Track Member Join Date: Dec 2009 Location: Farmington, Utah Posts: 582 Drives: 14 SR 370z 6MT Rep Power: 10140	Using just a cnt hairs worth of blue loctite will work just fine. Optimiser likes this. __________________ Ford Diesel and Heavy Line Technician at your service. Last edited by Dreadnaught; 11-25-2021 at 09:44 PM.*

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11-23-2021, 04:16 PM	#5 (permalink)
Rojoryu Base Member Join Date: Sep 2021 Location: Charlotte Posts: 48 Drives: 2011 370z Base/Sport Rep Power: 16	Well, I think I made a pretty stupid mistake. When I was turning the motor over by hand to time it, I didnt use the pulley or a spacer, I just put the bolt directly into the crankshaft. When I went to pull the bolt out after timing it I noticed it was a little tough coming out. And now it wants to bind up going back it after a few turns. I ordered a new bolt, but my fear is that I damaged the threads in the crankshaft. I assume I can chase the threads if that's the case but it's not something I have any experience with. Any suggestions?