Engine/Transmission (1994 - 1998) expansion plugs

[sleon]

Help!!!



IS there a expansion plug on the back of the block up high and how big of a job is it to fix?



1994 reg cab

420,000 mi.



sleon



aka freeze plug

 

[KBurgoyne]

there is a freeze plug on the back of theblock, if it popped out put some red loctite on it and tap it back in with a rubber mallet. if it continues to pop back out, it is a sympton of a bigger problem, probably a head gasket leaking pressure.

you can get a new set of plugs here,Dodge 5. 9L Cummins Freeze Plug Kit 6B

you can use a socket just slightly smaller than the plug to tap it in.

its a tough reach to get to the plug, but you shouldnt need to remove too much stuff, nothing major anyway.

 

[WCPoe]

There is also a machined billet style plug fix for this. Two configurations exist: one for the Common Rail style and one for the earlier trucks.



My early 2004. 5 was one of the "freeze plug" recall units. Long story short it passed the dealer's recall test procedure when new only to let go about a year ago.



Jeff Garmon's Performance Diesel fixed me right up and installed the billet plate. It's not hard to do but it's easier of the turbo downpipe is removed.



Here's the thread:



https://www.turbodieselregister.com...960-how-many-have-blown-out-freeze-plugs.html

 

[sleon]

rear freeze plug

Would it be easier to cut a hole in the fire wall for access. Where could I find

an illustration of this block to find exact location of freeze plug? I am flying in the dark on this one and funds are rather tight.



sleon

 

[BigPapa]

The freeze plug is right above the bell housing on the rear of the block.



I don't think it would be possible to cut a hole in the fire wall. The best time to fix it is when the transmission is out. Other than that it's not going to be a fun job.



I'm running one of these:



Keating Machine Products - 12 Valve & Billet Rear Freeze Plug, 1989 to 2002 5. 9L Cummins



Scott