What did you do to your TJ today?

[Paparock1]

I have a failed check valve in my vacuum system. Does anybody know where I can find a part number for it. The service manual doesn't have part numbers listed for it. Thank you

 

[Weasellee]

I have a failed check valve in my vacuum system. Does anybody know where I can find a part number for it. The service manual doesn't have part numbers listed for it. Thank you

View attachment 672252

I believe i found this on Amazon as a complete line, standby

 

[Weasellee]

I believe i found this on Amazon as a complete line, standby

I did get it from Amazon but currently not available. Here’s the Mopar part number for the whole assembly tho.

https://a.co/d/0iulYjUR

 

[Weasellee]

I did get it from Amazon but currently not available. Here’s the Mopar part number for the whole assembly tho.

https://a.co/d/0iulYjUR

This is ‘03-06 I believe

 

[Paparock1]

I did get it from Amazon but currently not available. Here’s the Mopar part number for the whole assembly tho.

https://a.co/d/0iulYjUR

that link takes me to this https://www.superoffers.com/

 

[Zorba]

I thought vacuum check valves were available generically at any auto parts store? I actually think I need to replace one of mine too, come to think of it...

 

[Paparock1]

I thought vacuum check valves were available generically at any auto parts store? I actually think I need to replace one of mine too, come to think of it...

had not thought of that. Thanks LOL

I assumed it was something more specific or special

 

[TheBoogieman]

I thought vacuum check valves were available generically at any auto parts store? I actually think I need to replace one of mine too, come to think of it...

They are.

 

[sab]

I have a failed check valve in my vacuum system. Does anybody know where I can find a part number for it. The service manual doesn't have part numbers listed for it. Thank you

View attachment 672252

Your profile says you have a 1997 that was a 2.5L but is now a 5.9L. Assuming that vacuum line is the original (from the 2.5), I think the Mopar part number can be found in the parts list, under option "J" for LHD and "EP0" for 2.5L:

Unfortunately, it looks like 55037393AC is discontinued, like many parts for our beloved TJs:
https://www.moparpartsgiant.com/parts/mopar-hose-vacuum~55037393ae.html

If just a check valve is needed, @B1Toad found that the Dorman universal one didn't work, but a Ford one was identical to the OEM Jeep one. See his thread here:

Thread 'Vacuum loss at high RPM'

Apr 12, 2023

Yesterday we were moderately gaining elevation at 65-70 MPH with the AC running and I noticed the air flow would stop. Backing off the throttle would make it return instantly which tells me there might be a vacuum leak. I inspected the lines and did not see anything that looked like it would leak, I did follow one line under the battery tray to what looks like a reservoir, and I read there is a one way valve at the manifold that, if faulty, can cause a drop in vacuum, but the check valves I'm seeing online don't look like they would fit inside that elbow, unless they go in the line and...

• B1Toad
• Replies: 19
• Forum: TJ General Discussion

 

[Paparock1]

sab. That's awesome thank you. The 1997 FSM did not have the diagram picture so I used the pic from the 2004.

you took the time to put it all together for me. Thank you!!!!!

 

[TheBoogieman]

sab. That's awesome thank you. The 1997 FSM did not have the diagram picture so I used the pic from the 2004.

you took the time to put it all together for me. Thank you!!!!!

He has a Crypto account to add your thanks into.

 

[sab]

sab. That's awesome thank you. The 1997 FSM did not have the diagram picture so I used the pic from the 2004.

you took the time to put it all together for me. Thank you!!!!!

Glad to assist! Don't forget to also thank B1Toad for posting a follow-up solution!

 

[sab]

He has a Crypto account to add your thanks into.

Nah - he should just do something nice for someone else!

 

[TheBoogieman]

Nah - he should just do something nice for someone else!

I have a GoFundMe account.

 

[Weasellee]

that link takes me to this https://www.superoffers.com/

Sorry for they delay I was moving firewood.

Although I see you may have found your solution.

 

[WestCoastDan]

Looks as though the oil leak has finally been resolved.

Now it's up to me to clean up all of that mess it created.

 

[RFAASRMA]

Drove it on the beach in St Augustine.

 

[John Cooper]

Drove it on the beach in St Augustine. View attachment 672291

Heck of a drive from Massachusetts.....

 

[Zorba]

Drove it on the beach in St Augustine. View attachment 672291

BTDT

Got about half the rock lites installed. TBC tomorrow.

 

[andyj]

I went 4WDing to 4WD Park Adelaide yesterday. And got stuck on a steep incline because I ran out of clearance and stalled the engine. I decided to slowly roll back and as soon as I took my foot of the break the TJ rolled back. It was steep enough to roll back with first low still engaged. That let the engine start up immediately and I rolled down safely. That engine was running in reverse! I could hear it clearly, the timing chain made very unusual noises. I stopped that as soon as I came to a halt and switched it off. When I restarted the engine, it ran just fine. Only the vacuum hose popped off, noticeable by some loud hissing. Popped it back on and all was good.

I had no idea that this would even be possible!