As the TB Rear cover was missing the rubber seal, lots of oil/debris were observed around the area. Due to the damage to the Front valve cover seal, some sort of chemical managed to get inside the TB area and changed the colour of almost half of the TB Front cover. It will be cleaned thoroughly during the process. ...
Now I understood why there were so much oil around the engine head as well as some of the spark plug body. Almost all of the fixing nuts for the valve covers were not tight enough especially the ones under the IGN Coil covers. They were just finger tight. Probably, the valve cover gaskets, seals and the round disc seals under the nuts were not replaced during the last TB service and thus, couldn’t get proper ...
Three hoses under the centre floor section are done. Moving onto the engine bay. As seen on other NSX, part of the rubber seal at the Thermostat was already deteriorated and gone missing. Replaced it with the new spec. ...
While dealing with the TB/WP/Valve service, it is easier to work on the cooling system in parallel so started replacing the coolant hoses. This NSX is RHD, NA2, DBW, MT model so 21 hoses in total. During the winter when I work on the cooling system, I normally place the hoses on the oil heater to keep them warm to assist the installation. ...
Just keep removing the parts…. Noticed that during the last TB service, some of the bolts for the TB mid covers were not placed back and missing. Not the first time to see this and quite common human error, I’m afraid. Due to the valve cover gasket not replaced or not installed properly during the last TB service, there were lots of oil seepage behind the crank pulley. ...
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