No cruise control and A/C not blowing out air?

Tiny
SKOOTER28
  • MEMBER
  • 2004 JEEP GRAND CHEROKEE LAREDO
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
I have found the problem the hose has come undone from the manifold but there was like a filter like thing that came off to and I’m trying to find that part but can’t seem to find it.
Tuesday, April 15th, 2025 AT 6:17 PM

9 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,144 POSTS
Do you have an image of the part in question?
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Thursday, April 17th, 2025 AT 9:47 AM
Tiny
SKOOTER28
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  • 98 POSTS
It’s the vacuum line going to the manifold for the ac and cruise control it has a filter like thing on it and I lost it.
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Thursday, April 17th, 2025 AT 9:49 AM
Tiny
KEN L
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Oh, I see the "vacuum line" yes there is a filter that can go to the control solenoid.
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Thursday, April 17th, 2025 AT 10:38 AM
Tiny
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  • 98 POSTS
Yeah there’s a line going to the manifold it had a filter like thing in the line but when I look online is a check valve, but I can’t find the part number at the parts store.
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Thursday, April 17th, 2025 AT 10:40 AM
Tiny
KEN L
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Do you have an image you can upload so I can see what you are looking for?
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Saturday, April 19th, 2025 AT 9:06 AM
Tiny
SKOOTER28
  • MEMBER
  • 98 POSTS
Not this line exactly but it is that filter thing though I looked up online trying to find it, but it says it doesn’t go on this jeep grand Cherokee Laredo 4.0 but ik it does.
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Saturday, April 19th, 2025 AT 9:19 AM
Tiny
KEN L
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Yes, that is a vacuum check valve. It feeds the HVAC and EVAP system control valves or solenoids. If you remove it the auto parts store can match it up.
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Saturday, April 19th, 2025 AT 10:16 AM
Tiny
SKOOTER28
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It was lost it fell off down the road and I’m trying to match it, but the store says they don’t sell that for that one.
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Saturday, April 19th, 2025 AT 10:38 AM
Tiny
KEN L
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Okay, you may to visit a wrecking yard to find one.
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Sunday, April 20th, 2025 AT 11:04 AM

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