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RocketA
Samba Member
Joined: March 29, 2011
Posts: 453
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 Posted: Sat Nov 26, 2011 3:49 pm Post subject: Rocker arm shaft removal/reinstallation advice |
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I have a little side play in one of my rocker arms so I'm going to take it off tomorrow and see what's up. Before I do it though I wanted to know if there's anything that can go wrong here....I never did it before.
It looks like just undoing the two bolts a little at a time to relieve spring pressure evenly and taking off the shaft. Is it really that simple or is there room for something to go wrong?
When I put it back on, do I just bolt it in turning each bolt a little at a time? Do I have to check valve lash again or just bolt and go? |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 31360
Location: Hot Arizona
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| Posted: Sat Nov 26, 2011 4:01 pm Post subject: Re: Rocker arm shaft removal/reinstallation advice |
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| RocketA wrote: |
| When I put it back on, do I just bolt it in turning each bolt a little at a time? |
Yes, to the correct torque value.
| RocketA wrote: |
| Do I have to check valve lash again or just bolt and go? |
That depends upon whether you want the engine to run. Or whether you want to risk it self-destructing. ABSOLUTELY adjust ALL the valves again !!!
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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wayne1230cars
Samba Member
Joined: April 05, 2010
Posts: 2685
Location: Canada
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| Posted: Sat Nov 26, 2011 4:04 pm Post subject: |
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| Check the wavy washers. They sometimes break and that can cause the side play you speak of. Remove the rocker arm shaft retaining nuts by loosening them a little at a time and alternate. I would definitely recheck valve clearance after reinstalling the nuts with a torque of 14 - 18 ft lb. |
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johnnypan
Samba Member
Joined: October 24, 2007
Posts: 7431
Location: sackamenna
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| Posted: Sat Nov 26, 2011 4:15 pm Post subject: |
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| Turn your rocker shafts 180 degrees,the shafts wear on the bottom side. |
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RocketA
Samba Member
Joined: March 29, 2011
Posts: 453
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| Posted: Sat Nov 26, 2011 4:18 pm Post subject: |
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Thanks for the replies. Sounds reasonably straight forward then and since I want the engine to run I will definitely adjust the valves once reinstalled.
I have replacement wavy washers. What causes them to break? Or do they just fail after a while?
And johnnypan, I'll rotate as you recommend. Could that wear be the cause of side play? I didn't notice any broken washers or springs laying in the valve cover or in my oil screen so maybe what you're talking about is the cause? |
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