What a pain lol. Youll need to be able to cut and weld whether you choose to keep the stock cats or not. I had initially wanted to bring it into a Lexus dealership, but the nearest one is almost 300 miles away. Lexus GX470 Intake Manifold Gasket Replacement and SAIS filter swap procedure Maximum DIY Garage 671 subscribers Subscribe 8.4K views 2 years ago This video is about Secondary Air Injection. VALVE ASSEMBLY, INTAKE AIR CONTROL, NO. Remove the throttle body lower bracket and the throttle body. Show example Lexus GX470 Intake Manifold Gaskets Replacement prices What is an intake manifold gasket and how does it work? You can read about it on this thread as it is part of a timing belt replacement job.Not really too big a job and sounds well within your DIY capabilities. 2005-2009 Lexus GX470 and 2006-2007 Lexus LX470 SUVs have a rare (but not albeit unheard of) problem with their secondary air injection system that illuminates the check engine light. Based on the complaints compiled via CarComplaints.com, the 2006 model year for the Lexus 470 has the most overall issues. Lexus GX470 V8-4.7L - Oil Change - Norwalk, California. Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. Lexus GX470 Reliability and Common Problems - In The Garage with (c) Remove the air cleaner filter element from the air cleaner case. So I feel like I should just suck it up and if I can fix this, I should try. WHILE EVERY REASONABLE EFFORT IS MADE TO ENSURE THE ACCURACY OF THIS DATA, WE ARE NOT RESPONSIBLE FOR ANY ERRORS OR OMISSIONS CONTAINED ON THESE PAGES. The headers come with no flange on the end of them. Still a nice touch. I started it on my own, and realized soon enough that I was in over my head, so after he took apart the entire intake manifold in 40 minutes, we saw that the o-ring was trashed and leaking, but the pipe was fine! Remove the carburetor's fuel line and any vacuum lines that are attached to the carburetor. The drivers side has a Doug Thorley emblem tacked on which is just barely visible once theyre installed in the engine bay. 12. DIY Coolant Valley Leak Repair | IH8MUD Forum , 2012 Post DIY Valley Cooling Plate Repair CEL P0420, Intake Coolant Leak - Shop Recommendations in DFW. View and Download Lexus GX470 2006 service manual online. All Rights Reserved. Its not very often that increasing performance on a vehicle also makes it more reliable. Very thorough!! Exhaust Manifold Gasket (Left). SKU:CC2472671.. Check out free battery charging and engine diagnostic testing while you are in store. The diameter of the intake valves is a 34.5 mm, the exhaust valves have a 29.0 mm diameter (The sizes of diameters are identical to the later version of the 1UZ-FE with VVT-i).