Remove the valve cover from your vehicle. If you try to refinish it installed in the vehicle, it will be almost impossible to achieve satisfactory results. Thoroughly clean the cover to remove all grease and grime. I let it soak in parts washer solvent overnight and then scrubbed both the inner and outer surfaces with #3 steel wool.

You can order a new piece, Part # 65840-Z31001 for 1984-1986 Non-turbo and 1986 Turbo or part # 65840-Z31002 for 1984-1985 Turbo models or Part # 65840-Z31003 for 1987-1989 models from Courtesy Nissan, or manufacture one out of reflective film; …

Mar 19, 2014 · Clean the connectors for the maf or afm, ecu and tps. Deoxit by CAIG is probably the best connector cleaner on the market. spray with CorrosionX after cleaning and before putting together this will help prevent any further corrosion.

It is an easy task to remove and clean it. It is accesable through the hatch in the floor of the hatch area, under the carpet and insulation. Remove the cover and the plate from the top of the fuel tank.

Feb 28, 2011 · Do you want to try to "clean up" the engine bay because all the wires and hoses intimidate you or confuse you? Almost all those componets are essential to the proper function of the motor. You can however chuck that wiper fluid bottle but be prepared with plenty of spit to clean the windshield!

This Kit includes all you need to clean up your Z31 engine bay of the Ugly EGR Valve, Idle Air Control Valve and the Air Regulator Unit from your Intake. The Kit includes the following items. 1- EGR Block Off Plate made from 3/16″ Aluminum; 1- Idle Air Control valve Block Off Plate made from 3/16″ Aluminum

Feb 3, 2016 · in my opinion it sounds like you have a non functioning MAF sensor. If there is a crack on the top of it you for sure need too replace it. If it isout of range. I can't remember what the range is you need to clean it or replace it.

May 21, 2011 · 300ZX (Z31) Forums - Cleaning Engine Components - So I was wondering what kinds of cleaner can I use to clean my engine block, heads, pistons, and cylinder walls. While pulling the timing gear out of the oil pump and using pb blaster on it.

I decided to clean up the Z31. After all the work I have done it was time to clean up my mess.

Remove all external engine components and clean them thoroughly as you remove them, keeping everything in order and leballing as much or as little as you need to. Completely degrease engine, it'll make your work many times easier.