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> What is wrong with this picture?, also known as 30$ engine saver?
echocanyons
post Apr 9 2007, 09:02 PM
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So after the recent noise with my 3.0l six I tried changing the throwout bearing, and that seemed to work, but the noise returnedf and I couldn't relly pin it down, it didn't really seem like the chains but I figured what the hell I will pull and inspect anyway.

Here is what I found. I thought oh good it's not the tensioners they look good.

Can you spot the problem?


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Eric_Shea
post Apr 9 2007, 09:05 PM
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QUOTE
Can you spot the problem?


Ahhhhhh... no. (IMG:style_emoticons/default/biggrin.gif)
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Martin Baker
post Apr 9 2007, 09:07 PM
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I see Vic Elford...
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hmeeder
post Apr 9 2007, 09:07 PM
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Lack of photo attaching skillz?
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echocanyons
post Apr 9 2007, 09:10 PM
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(IMG:style_emoticons/default/huh.gif) OK it's now attached (IMG:style_emoticons/default/av-943.gif)
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Eric_Shea
post Apr 9 2007, 09:17 PM
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Missing a set screw? (IMG:style_emoticons/default/confused24.gif)
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Dave_Darling
post Apr 9 2007, 09:19 PM
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I know, two too many cylinders, and the cam is out on top of the head instead of inside the case where it belongs!! (IMG:style_emoticons/default/biggrin.gif)



OK, I can try to guess on that not-overly-familiar motor: The tensioner looks to be collapsed against the safety collar. That, and the idler sprocket mounting bolt (??) doesn't look like it's very well attached.

--DD
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Aaron Cox
post Apr 9 2007, 09:20 PM
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piston failure safety collar is missing a screw
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echocanyons
post Apr 9 2007, 09:30 PM
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Nope it's only missing half a screw (IMG:style_emoticons/default/blink.gif) , well I guess not missing it's prolly tucked away nice and safe in the case somewhere (unfortunately this is a late case with no sump plate).

Are these keepers really expected to hold the tensioner when it fails?

This is a picture of the back of the tensioner "saver" you can see the back of the screw still attached.

Kind of ironic that the tensioner guards failed and the tensioners are still fine huh?

Any easy way to retrieve this or am I looking at splitting the case?


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McMark
post Apr 9 2007, 10:07 PM
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You can try a magnet, but it's a shot in the dark. You might get lucky. Here's an idea of where it went.

Of course, maybe the person who installed them overtightened them and snapped a head off while installing. In that case you wouldn't have anything dangerous in your motor. (IMG:style_emoticons/default/unsure.gif)


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echocanyons
post Apr 9 2007, 10:15 PM
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Thanks for the picture! that looks like a late style case like the one I have (without the sump plate).

Did the oil pumps on the late cases came with screens?
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Cap'n Krusty
post Apr 9 2007, 10:52 PM
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QUOTE(echocanyons @ Apr 9 2007, 09:15 PM) *

Thanks for the picture! that looks like a late style case like the one I have (without the sump plate).

Did the oil pumps on the late cases came with screens?


Yes, they came with a screen. That tensioner looks collapsed. The collar should be 4mm above the tensioner body, and the piston usually sets farther out than that one. The loose collar wouldn't cause the noise, a loose chain would. Chains get loose because the tensioner bleeds down. Kits are available. I rebuild NEW tensioners before installation. The Cap'n
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Justinp71
post Apr 9 2007, 11:13 PM
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Is that the correct nut on the cam sprocket?

Here is my left sprocket on the 2.7.


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Mike D.
post Apr 9 2007, 11:41 PM
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OK, It runs now, and pretty good too!
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QUOTE(Cap'n Krusty @ Apr 9 2007, 09:52 PM) *

QUOTE(echocanyons @ Apr 9 2007, 09:15 PM) *

Thanks for the picture! that looks like a late style case like the one I have (without the sump plate).

Did the oil pumps on the late cases came with screens?


Yes, they came with a screen. That tensioner looks collapsed. The collar should be 4mm above the tensioner body, and the piston usually sets farther out than that one. The loose collar wouldn't cause the noise, a loose chain would. Chains get loose because the tensioner bleeds down. Kits are available. I rebuild NEW tensioners before installation. The Cap'n


(IMG:style_emoticons/default/agree.gif) with the CAP'T. I had the stops in my 2.0 6 and had one tensioner fail. The stop held but it did make a lot of noise, kind of resonates chain noise. And yes the safety stop is supposed to be in the middle of the piston not resting on the cylinder like the one in your pic.
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echocanyons
post Apr 9 2007, 11:57 PM
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The only reason the safety collar is sitting on the tensioner body is because the collar is not held tight to the tensioner.

Do you think I need new chains, I plan to do the hydro tensioner change while I have it apart(unless you all thin otherwise)?

I am pretty sure they changed the cam/cam nut design in 82, my 80 engine looks like yours, this is an 83.
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John
post Apr 10 2007, 12:07 AM
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QUOTE(Justinp71 @ Apr 9 2007, 09:13 PM) *

Is that the correct nut on the cam sprocket?

Here is my left sprocket on the 2.7.


Yes, that is the correct bolt.

Post 2.7 had different cam sprockets and use different holding wrenches.
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Justinp71
post Apr 10 2007, 12:27 AM
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QUOTE(John @ Apr 9 2007, 11:07 PM) *

QUOTE(Justinp71 @ Apr 9 2007, 09:13 PM) *

Is that the correct nut on the cam sprocket?

Here is my left sprocket on the 2.7.


Yes, that is the correct bolt.

Post 2.7 had different cam sprockets and use different holding wrenches.


oh... okay, I need to replace my chains also... (motor currently out).

I am planning on putting the fail safes on to...
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echocanyons
post Apr 10 2007, 12:34 AM
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Justin, I am no expert but it looks like you may have some chain stretch, it looks like the clearance from your tensioner lever to the housing is really narrow, what does the other side look like?. EDIT oops I see you mentioned that in your post...

check this tread out pelican chain stretch thread
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So.Cal.914
post Apr 10 2007, 12:47 AM
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I think the chain looks Ok but I would take echo's sudjestion and read

the pelican thread and check it while you are there. Thant goodness more damage

was not done.
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Cap'n Krusty
post Apr 10 2007, 09:55 AM
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I certainly wouldn't waste my money, or that of my customer, on the silly tensioner changeover. The last version of the original chain tensioner is fine, and rebuildable. Why spend a bunch of money on something that can have the same failure problem?

This is one of the far too many times when the term "upgrade" is misused on the internet.

The Cap'n
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