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Old 02-28-2020, 10:24 PM #1
quatin quatin is offline
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3RZ-FE Vacuum hose replacements
Does anyone have a diagram with a list of vacuum lines and their associated part numbers?

My 4runner had it's 20th birthday this year. I just started to get a rough idle that comes and goes. I figured a simple thing to do is replace all the vacuum lines, since they're all rock hard.
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Old 02-28-2020, 10:48 PM #2
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Originally Posted by quatin View Post
Does anyone have a diagram with a list of vacuum lines and their associated part numbers?

My 4runner had it's 20th birthday this year. I just started to get a rough idle that comes and goes. I figured a simple thing to do is replace all the vacuum lines, since they're all rock hard.
I ordered a dress kit from Intercooler Pipe Fabrication for 5vz-fe.
I had the following link in my archives may be it'll help for oem part numbers.
Vacuum piping for Toyota Tacoma RZN171L - Auto parts
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Old 02-29-2020, 11:53 AM #3
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Originally Posted by spartacus View Post
I ordered a dress kit from Intercooler Pipe Fabrication for 5vz-fe.
I had the following link in my archives may be it'll help for oem part numbers.
Vacuum piping for Toyota Tacoma RZN171L - Auto parts
This is great! However, it doesnt list all the vacuum hoses attached to the manifold. For example, the PCV hose isnt there.
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Old 02-29-2020, 02:31 PM #4
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This is great! However, it doesnt list all the vacuum hoses attached to the manifold. For example, the PCV hose isnt there.
I can tell you, I've replaced all my vacuum lines in our 96 with silicone and our 00 with oem hoses.

The smaller hoses are all the same but cut to length 90999-92002 (92008 is the longest and should cover all the smaller lines). smaller fuel regulator, smaller charcoal canister hoses,

PCV 12235-62010
Hose, Vent (top back manifold hose-90 degree down) 12262-62050
Hose, air No3 1734362080
Fuel vapor hose on (canister)23826-75050
insulator, engine (foam rubber that PCV is connected to on TB 12371-62020
The hose from the intake airbox to charcoal canister 90445-14172

Just read, 3RE-Fe motor not 5VZ-FE These hoses I replaces were for the 3.4L 5VZ


Vacuum Hose Help - Toyota 4Runner Forum - Largest 4Runner Forum


Hope this helps
Last edited by firemanj92; 02-29-2020 at 02:42 PM.
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Old 02-29-2020, 02:35 PM #5
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Just get a roll of quality hose from Amazon or ebay and cut to length. Cheap, lifetime supply. For PCV etc check out Toyota parts catalog
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Old 02-29-2020, 02:51 PM #6
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The PCV hoses and main EVAP hose you'll want to order new molded ones from Toyota, a regular hose will tend to kink. Other than that you've got a handful of 1/4" and some 1/8, any good parts store will stock hose by the foot.

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Old 02-29-2020, 08:23 PM #7
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The PCV hoses and main EVAP hose you'll want to order new molded ones from Toyota, a regular hose will tend to kink. Other than that you've got a handful of 1/4" and some 1/8, any good parts store will stock hose by the foot.

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Thanks, followed your advice. Ordered all the hoses for the fuel vapor and "ventilation" systems. Going to then buy bulk hoses for the rest.
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Old 05-27-2022, 12:00 AM #8
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IDing hoses and where to get them
[QUOTE=quatin;3450774]Does anyone have a diagram with a list of vacuum lines and their associated part numbers?

I only have one hose that needs to be replaced and I attached a picture with this post that shows which hose (circled in red) I need. Anyone able to id that hose and any good places to shop for that?

Thanks in advance!
Attached Images
3RZ-FE Vacuum hose replacements-2002-4runner-hose-jpg 
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