Vacuum Line replacement with high temp silicone lines - Page 2 - Toyota RAV4 Forums
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post #11 of 37 (permalink) Old 06-28-2017, 04:38 PM
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Are they all the same size? Or one/size color for one specific line. Another size/color for another hose etc? I think it's a cool upgrade but save us the "figuring out" head ache. In other words; Share your knowledge! I know I've done this in this forum hundreds of times.
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post #12 of 37 (permalink) Old 06-28-2017, 10:16 PM Thread Starter
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I initially did this one color for each size as follows.
- 3 meters of 6mm green high temperature silicone line
- 3 meters of 5mm red high temperature silicone line
- 3 meters of 4mm purple high temperature silicone line
- 3 meters of 3mm blue high temperature silicone line
Most of the red is 5mm is used on the 4x4 actuator if you don't have a 4x4 you can buy just 1m and have enough.

I had problems with getting the hookups right for the 4x4 actuator so I went back and color coded it.
Red 5mm - hose from the connector off by itself on the actuator (left it red actually because this one is so difficult to get to with the engine installed) to the lower position on the pASSENGER SIDE vsv
Orange 5mm - "0" on the actuator to the upper position on the VSV closest to the driver
Lime Green 5mm - "2" on the actuator to VSV this line splits and one goes to the bottom of the VSV closest to the driver the other end goes to the top of the other VSV
Purple 4mm - unmarked on actuator to intake vacuum splitter
Purple 4mm - intake vacuum splitter to MAP sensor

It may be that my sole purpose in life is simply to serve as a warning to others.

RAV4.1, 1999 RAV4, 3S-FE engine, E250F transaxle 5sp AWD, 5 door, LHD, Redneck Edition (RNE), Mossy Oak Obsession wrap, heavily modded, TOAD
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post #13 of 37 (permalink) Old 06-29-2017, 12:53 AM Thread Starter
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I'll try to draw up a vacuum line illustration for the 4x4 actuator.

It may be that my sole purpose in life is simply to serve as a warning to others.

RAV4.1, 1999 RAV4, 3S-FE engine, E250F transaxle 5sp AWD, 5 door, LHD, Redneck Edition (RNE), Mossy Oak Obsession wrap, heavily modded, TOAD
'96 Newmar Mountain Aire, 40' diesel pusher motorhome, the mothership
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post #14 of 37 (permalink) Old 11-22-2017, 01:17 AM
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Originally Posted by eodgator View Post
I'll try to draw up a vacuum line illustration for the 4x4 actuator.
Where is that illustration

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-Brandon
1997 Rav4L automatic AWD
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post #15 of 37 (permalink) Old 11-22-2017, 09:52 AM Thread Starter
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Okay, I finally got around to doing the transfer case actuator vacuum line diagram.


It may be that my sole purpose in life is simply to serve as a warning to others.

RAV4.1, 1999 RAV4, 3S-FE engine, E250F transaxle 5sp AWD, 5 door, LHD, Redneck Edition (RNE), Mossy Oak Obsession wrap, heavily modded, TOAD
'96 Newmar Mountain Aire, 40' diesel pusher motorhome, the mothership
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post #16 of 37 (permalink) Old 03-14-2018, 01:30 AM Thread Starter
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Vacuum line diagram


It may be that my sole purpose in life is simply to serve as a warning to others.

RAV4.1, 1999 RAV4, 3S-FE engine, E250F transaxle 5sp AWD, 5 door, LHD, Redneck Edition (RNE), Mossy Oak Obsession wrap, heavily modded, TOAD
'96 Newmar Mountain Aire, 40' diesel pusher motorhome, the mothership
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post #17 of 37 (permalink) Old 03-14-2018, 01:45 AM Thread Starter
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Here are more detail vacuum diagrams see Figures 19, 20 and 21

http://automotrizenvideo.com/wp-cont...um_diagram.pdf

It may be that my sole purpose in life is simply to serve as a warning to others.

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post #18 of 37 (permalink) Old 07-14-2018, 10:51 AM Thread Starter
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Vacuum line diagrams

Here are the extracted vacuum line illustrations.








It may be that my sole purpose in life is simply to serve as a warning to others.

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'96 Newmar Mountain Aire, 40' diesel pusher motorhome, the mothership
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post #19 of 37 (permalink) Old 08-16-2018, 11:09 AM Thread Starter
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I noticed that this did not include the power steering pump vacuum hoses for the idle up so here is that info.

The vacuum fitting (17630 - VALVE ASSY, AIR CONTROL) is where the vacuum lines attach to the power steering pump.

The vacuum line listed as 17344G - HOSE, AIR, NO.4 attaches to the above and runs to the hose barb pointing towards the engine on the rigid vacuum pipe (17361G - TUBE, AIR(FOR IDLE-UP). This rigid pipe is located above the power steering pump.

The vacuum line listed as 17345B - HOSE, NO.5(FOR IDLE-UP) attaches to the above and runs to the hose barb pointing back towards the power steering pump on the rigid vacuum pipe (17361G - TUBE, AIR(FOR IDLE-UP). This rigid pipe is located above the power steering pump.



In this picture you can see the red vacuum lines coming off vacuum fitting 17630, and it is easy to see the line running from that fitting to the hose barb pointing towards the power steering pump. The other is blocked a bit by other vacuum lines but you can see the red line attaching to the hose barb pointing towards the engine.

It may be that my sole purpose in life is simply to serve as a warning to others.

RAV4.1, 1999 RAV4, 3S-FE engine, E250F transaxle 5sp AWD, 5 door, LHD, Redneck Edition (RNE), Mossy Oak Obsession wrap, heavily modded, TOAD
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post #20 of 37 (permalink) Old 09-08-2018, 08:47 PM Thread Starter
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I had made one of these vacuum line diagrams before based on a hand drawn one I got from a nearby Toyota dealership maintenance department however, it was way off so I deleted it, here is the real thing.

In the below illustration it shows vacuum lines "0" and "2" location on the VSVs, that was key because two of the vacuum ports on the transfer actuator are labeled "0" and "2" the other ports are unlabeled. The unlabeled port next to "2" on the transfer actuator is a smaller diameter than the others and that matches the size coming from the intake manifold. The split line that goes to ports "1" and "3" on the VSVs is left going to the lone port on the secondary vacuum chamber.

I did confirm that this works on my 99 RAV4; I don't know if all the models are exactly alike.




It may be that my sole purpose in life is simply to serve as a warning to others.

RAV4.1, 1999 RAV4, 3S-FE engine, E250F transaxle 5sp AWD, 5 door, LHD, Redneck Edition (RNE), Mossy Oak Obsession wrap, heavily modded, TOAD
'96 Newmar Mountain Aire, 40' diesel pusher motorhome, the mothership
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