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willysmjeeps.com :: View topic - loose push rods
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loose push rods

 
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wallisek
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Joined: Apr 01, 2011
Posts: 17
Location: Oregon

PostPosted: Sun Apr 10, 2011 6:47 pm    Post subject: loose push rods Reply with quote

This little 134 engine is new to me but two things are alarming. One is the push rods are loose, they move up and down about 1/4" depending on the current position of the crank. If I turn the crank clockwise, I hear this awful click-click-click noise. CCW I don't hear anything. Can't tell where it is coming from but I'm going to drop the pan. The engine was apparently rebuilt, when / how long ago is unknown. Trying to muddle my way through the TM9-1804A manual right now....
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wesk
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Joined: Apr 04, 2005
Posts: 16289
Location: Wisconsin

PostPosted: Sun Apr 10, 2011 8:53 pm    Post subject: Reply with quote

The engine has solid lifters and it calls for a clearance of .014 to .016 so that's the most movement you should get.

If you run across a civvy CJ service manual SM-1002 grab it. It is a lot easier to follow than the TM 9-1804A.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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wallisek
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Joined: Apr 01, 2011
Posts: 17
Location: Oregon

PostPosted: Sun Apr 10, 2011 9:08 pm    Post subject: Reply with quote

These are nowhere near that spec, I can fit a pencil between the spring and the rocker arm. The ball end of the arm comes right out of the push rod cup.
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wallisek
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Joined: Apr 01, 2011
Posts: 17
Location: Oregon

PostPosted: Sun Apr 10, 2011 10:03 pm    Post subject: Reply with quote

Pulled the head, pretty grim. Looks like a total rebuild. Block surface and cyliner walls are pitted in a couple places and found three frozen valves, rusty as all $&%. Sad
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wallisek
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Joined: Apr 01, 2011
Posts: 17
Location: Oregon

PostPosted: Wed Apr 27, 2011 9:04 pm    Post subject: Reply with quote

Pulled the pan tonight. Gasket looked brand new and all the bearings had no wear. The inside of the engine looked cleaner than my 91 Comanche when I rebuilt it however the crankshaft needs machining and the oil was "watery" and smelled heavily of gasoline. Guess it will be a full rebuild. Pistons were marked .20 over so I'm sure it was rebuilt at one point or another.
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RimfireJim
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Joined: Feb 28, 2011
Posts: 148
Location: Escondido, CA

PostPosted: Fri Apr 29, 2011 12:51 pm    Post subject: Reply with quote

wesk wrote:

If you run across a civvy CJ service manual SM-1002 grab it. It is a lot easier to follow than the TM 9-1804A.

Wes,
Is SM-1002 this manual that Turner's 4WD lists as "TSM-EARLY MB* 2A/3A/3B/CJ5/6 L&F HEAD JEEP SERVICE MANUAL" http://tinyurl.com/429fhvs? That page says it is "Officially Licensed Reprint Product From Mopar Reprinters" but doesn't give a number for it. I know you have mentioned Turner's as a source before, and this looks like the only manual there that comes close. Want to be sure before plunking down $50.
Jim
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Jim M.
1952 M38 son-father project
Discovering more worn out parts, one assembly at a time Sad
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wesk
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Joined: Apr 04, 2005
Posts: 16289
Location: Wisconsin

PostPosted: Fri Apr 29, 2011 8:18 pm    Post subject: Reply with quote

Hello Jim,

Yes that's the book. Have you checked Portrayal Press and Ebay and Amazon Books?

Quote:
Jeep - Early CJ series (civilian)


Operation and Care Manual for CJ-2A. New high-quality exact reprint - first ever available. Illustrated. 68 pages. #620-002A ... $14
Parts List for CJ-2A and CJ-3A. New high-quality exact reprint - first time ever available. Illustrated. 170 pages. #620-P2A3A ... $24
Repair manual, early CJ models (CJ-2A, 3A, 3B, early 5, early 6). DJ-3A - F4 or L4 engines (NOT 6 cylinder engines). Illustrated. 280 pages. #514-1002A ... $34
All above are HIGH QUALITY reprints.
Additional literature available - request 56 page catalog
($3 USA, $5 overseas).


http://www.portrayal.com/manuals.html

The third book is the one you want.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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