Doing plenum gasket... what else to do? - JeepForum.com
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post #1 of 6 Old 05-27-2020, 11:39 PM Thread Starter
Maverickxeo
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Doing plenum gasket... what else to do?

I looked into my intake and saw pooling oil - so I ordered the Hughes plenum kit.

My 5.2L has 360k km on it... is there anything else I should look at doing while I'm in there? I'm going to inspect the pushrods and lifters (other than physical damage, is there anyway to tell if they are damaged or worn?). Are valve seals any easier to do at this time? Would it make sense to do them?

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post #2 of 6 Old 05-28-2020, 05:10 PM
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Quote:
Originally Posted by Maverickxeo View Post
I looked into my intake and saw pooling oil - so I ordered the Hughes plenum kit.



My 5.2L has 360k km on it... is there anything else I should look at doing while I'm in there? I'm going to inspect the pushrods and lifters (other than physical damage, is there anyway to tell if they are damaged or worn?). Are valve seals any easier to do at this time? Would it make sense to do them?
Valve cover gaskets, inspect timing chain cover for small leak below. It's a common gasket failure. Not a bad idea to replace the timing chain. Inspect water pump for leak at the weep hole underneath.
Tune up if it's been awhile. Coolant flush with new hoses if needed. Any hard to reach things like the crank sensor is up to your discretion for preventative maintenance.
Add oil catch can on the pvc return line.
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post #3 of 6 Old 05-28-2020, 10:44 PM
LittleFootZJ
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I have the intake off and I am literally doing all of the above


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post #4 of 6 Old 05-29-2020, 04:47 AM
V8GCZJ
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It's a lot easier to do a cap/rotor maybe wires also.
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post #5 of 6 Old 05-29-2020, 01:51 PM Thread Starter
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Quote:
Originally Posted by PolkaPower View Post
Valve cover gaskets, inspect timing chain cover for small leak below. It's a common gasket failure. Not a bad idea to replace the timing chain. Inspect water pump for leak at the weep hole underneath.
Tune up if it's been awhile. Coolant flush with new hoses if needed. Any hard to reach things like the crank sensor is up to your discretion for preventative maintenance.
Add oil catch can on the pvc return line.
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It's kinda funny... but I did a lot of that within the last few years, haha! I'll inspect it all though to make sure.
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post #6 of 6 Old 06-01-2020, 12:53 AM
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Watch the oil sensor, if its leaking, then good access to replace.
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