No The manual also states that I should remove the spark plugs is that necessary?
On my '86, 300zx NA, the rocker switch on the console turns on the heated outside mirror (drivers side).
You don't tighten it. It has an idler pulley that keeps the proper tension. If this is an old belt and is loose, then it needs replacing. If you have installed a new belt and it is loose, then either you installed the wrong belt or the idler spring is weak and the idler needs replacing.
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Check the fan belt tension.
The zd30 has a hydraulic tensioner using an idler pulley to automatically tension the serpentine belt.
Yes
Where is the crankshaft sensor located
Need to know what size engine you have in order to answer your starter problem. 1993 Nissan pickup with v-6
I don't own a 1993 Nissan Pickup Truck, stupid! check your thermostat to see if it opening
Maybe try replacing the fan clutch first.