Modify Catalytic Converters on a Lexus LS 400
The catalytic converters in your Lexus LS400 are three-way converters that lower exhaust emissions on ice a chemical reaction between the exhaust Gauze and the substrate in the converter. This type of converter features the contraction capabilities of a alleviation converter to lower oxides of nitrogen (NOx) and the oxidation capabilities of an oxidation converter to lower carbon monoxide (CO), carbon dioxide (CO2) and unburned hydrocarbons. Replacement catalytic converters in the Lexus LS400 come installed in an exhaust channel meeting production replacement easier.
Instructions
1. Operate the parking brake and locate trundle chocks latest the rear wheels. Hoist and buttress the front of the Lexus using a floor jack and jack stands positioned under the front sub-frame. Lower the motorcar onto the stands slowly so that the weight of the van is supported evenly by the jack stands. Remove the floor jack.
2. Grant the exhaust system to chilly completely. The catalytic converters on the LS400 propel at a high rise temperature (over 600 degrees Fahrenheit) and can account severe burns whether not allowed to frosty Enough prior to working on the method.
Bolt in the brand-new converter, leaving the nuts loose so the converter can be moved slightly while lining up remainder of the exhaust system.5. Raise the exhaust system and pry it back until it can be slipped onto the converter. Place a new gasket between the converters and the exhaust system.
4. Remove the three 13mm nuts that attach the converter to the exhaust manifold and pull the converter off the manifold studs. Advantage a inexperienced exhaust gasket between the converter and manifold.3. Spray the attaching bolts on the converter with a liberal coating of penetrating oil and confess it to sit for a rare minutes. Remove the two rear mounting bolts that attach Everyone of the converters to the exhaust system using a 13mm socket and ratchet to turn the bolt while holding the 15mm devotee with a wrench. Pry the exhaust method back out from the converter and pull the exhaust downward.
Install and tighten all of the nuts and bolts securely.
