sweetleon Posted February 8, 2018 Share Posted February 8, 2018 (edited) Hey gang, I went for a smog test and they said that my RV is missing the "back pressure modulator" which I've come to learn is also called the "vacuum modulator." I had the shop that did the test do the repairs, which I'm not sure was a great idea. They said they ordered the part but what they got doesn't fit bc they need something like the part pictured but with only 2 ports (1 on each side) rather than the 2+1 in the picture. But they can't seem to find one like that. What little I've found online suggests that the right part is a 2+1 like in the picture. For example, this one on eBay which claims to fit "22R 81-88," or this other one on eBay which says it fits "81 to 83 Toyota Hilux Pickup." Is the shop wrong? Or am I missing something? As always, your help is greatly appreciated. Thanks, Lenny Edited February 8, 2018 by sweetleon Added photo, fixed typo Quote Link to comment Share on other sites More sharing options...
linda s Posted February 9, 2018 Share Posted February 9, 2018 Correct part number is 25690-35010. The 19 dollar one on ebay is a match. When you scroll down the model codes you will see some with 3W. Those are the heavy duty trucks like ours. Linda S > 2569035010 1984 Toyota Pickup United States Of America × Add New Vehicle 1984 Toyota Pickup United States Of America Check Fit United States Of America United States Of America Canada -- Select Engine Model -- Engine Model Description Engine Model Code 4 Cyl 2.4L 22R 4 Cyl 2.4L EFI 22REC 4 Cyl 2.4L Diesel 2L 4 Cyl 2.4L Diesel Turbo 2LT -- Select Body Type -- Low Deck,Pickup Van Wagon -- Select Trim Level -- DLX SR5 Base -- Select Auto or Manual Trans -- Automatic Transmission Manual Transmission -- Select Gear Shift Type -- What is Gear Shift Type 4-Speed Manual Transmission 4-Speed Automatic Transmission Floor Shift 5-Speed Manual Transmission -- Select Cab Style -- Regular Cab Extra Cab -- Select Trans Model -- What is Trans Model G Type Transmission W Type Transmission -- Select Weight Rating -- 1.0Tons 0.75Tons 0.5Tons Heavy -- Select Fuel Induction -- Carburetor Diesel Electric Fuel Injection Turbo Diesel -- Select Building Condition -- What is Building Condition Completely Built Unit Incomplete Vehicles (Chassis & Cab) -- Select Model Code -- What is Model Code LN51L-KRA LN51L-KRA3 LN56L-MDA3 LN56L-MDCA LN56L-MDCA3 LN56L-MDCXA3 LN56L-MDXA3 LN65L-MDA LN65L-MDA3 LN65L-MDCA3 LN65L-MDXA LN65L-MDXA3 RN50L-KRA RN50L-MRA RN50L-MSEA RN50L-MSEA3 RN50L-PRA RN55L-KDA3W RN55L-KDEA3W RN55L-KRA3W RN55L-KREA3W RN55L-MDA RN55L-MDA3 RN55L-MDCA RN55L-MDCA3 RN55L-MRA RN55L-MRHA RN55L-MRHA3 RN55L-MRHEA RN55L-MSCEA RN55L-MSCEA3 RN55L-MSEA RN55L-MSEA3 RN55L-PDA RN55L-PDA3 RN55L-PDCA RN55L-PDCA3 RN55L-PDEA3W RN55L-PRA RN55L-PSCEA RN55L-PSCEA3 RN55L-PSEA3 RN60L-MRA RN60L-MRA3 RN60L-MSA RN60L-MSA3 RN60L-MSEA RN60L-MSEA3 RN60LG-MDA RN60LG-MDEA RN60LG-MSA RN60LG-MSEA RN60LV-MDA RN60LV-MDEA RN65L-MDA RN65L-MDA3 RN65L-MDCA RN65L-MDCA3 RN65L-MSA3 RN65L-MSCA RN65L-MSCA3 RN65L-MSCEA RN65L-MSCEA3 RN65L-MSEA3 Check Fit Toyota Part No.: 25690-35010 MODULATOR ASSY, EGR VACUUM Discontinued Part This part fits the following vehicle options: Production Date: 08/1983-08/1984 Fitting Vehicle Options: 22REC.. RN5#; 22R.. RN55.. HVY; 22R.. RN55, 6#... Quote Link to comment Share on other sites More sharing options...
linda s Posted February 9, 2018 Share Posted February 9, 2018 Well very strange. That part you have might fit. It comes up as the correct part from 8/84 to 8/85 where the part I listed comes up for 8/83 to 8/84. Thank you Toyota for making things ridiculously complicated. Linda S Quote Link to comment Share on other sites More sharing options...
WME Posted February 9, 2018 Share Posted February 9, 2018 (edited) PN - 35010 shows discontinued. Start looking at wrecking yards I think the 22r has the 2 port module Do you have a complete underhood vac hose diagram Edited February 9, 2018 by WME Quote Link to comment Share on other sites More sharing options...
sweetleon Posted February 21, 2018 Author Share Posted February 21, 2018 Thanks! How about this one? https://www.ebay.com/itm/Toyota-Hilux-Pickup-Truck-4Runner-EGR-VALVE-MODULATOR-no-BRACKET-22R-81-88-P-Q-R/352284510485?hash=item5205cb0915:g:d-MAAOSwHUhZ~rBB:sc:USPSFirstClass!94610!US!-1&vxp=mtr Quote Link to comment Share on other sites More sharing options...
sweetleon Posted February 28, 2018 Author Share Posted February 28, 2018 For posterity in case anyone else runs into this issue again someday, that one turned out to be a fit. Quote Link to comment Share on other sites More sharing options...
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