85 Nissan Pickup Alternator bolts missing-How do I replace them
a friend helped fix my headgasket, but now I am trying to put the alternator back on and am looking for the right bolts. I need to know bolt dimensions. This is for a 1985 Nissan Pickup Z24, 2.4 L engine, KingCab. I re-attached the brace that goes above the alternator that has the slot in it to tighten the tension, but I only have 2 of the 3 bolts holding it in. The third isn't with it and I don't know its dimensions. The bolt I am missing is the one closest to the alternator. I also need the dimensions of the bolt that goes in that slot and holds the alternator in position. Does it have a nut? The last bolt dimension I need to know is for the bolt that is on the bottom of the alternator. Does it have a nut also? If I can't find these anywhere, where can I get substitutes? Can they be gotten at the hardware store or do they have to be ordered from Nissan for a fortune? If you can help me, it sure would make my day. Thanks, Rich
Re: 85 Nissan Pickup Alternator bolts missing-How do I...
I have Nissan Maxima 2000 .I was hard to remove the back bolt
of alternator, I see the mount nut on the front of it. The tension of
the pulley I loose to remove the belt out. How did I do totake the bolt out
Re: 85 Nissan Pickup Alternator bolts missing-How do I...
Hi david from perth here, im a mech fitter by trade, i dont know the actual dimensions for the bolt, but for starters it will be metric, not imperial, but it shouldnt be too hard to use a piece of wire perhaps to poke in and then see how long the bolt needs to be, the only thing is it may have some dumb flats or odd shape head on it, if u have an angle grinder u should be able to get it to fit . : -) hope this gives ya some encouragement matey , all the best
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Your bolt that you tighten to hold alternator is stripped,to fix is to get another bolt but longer with lock washer and nut to tighten down,that's what I use on my 85 nissan,they are so easy to over tighten and strip,it's common,lol.You can take bolt to Autozone and they will have what you need.It's easier to have someone help when putting on belt to get good tension,but don't over tighten cause the water pump uses the belt too.will be it and it will leak or bearing will go bad.
#1 loosen the Alternator drive Belt adjusting bolt, and remove the belt. Install new belt,tighten the adjusting bolt to give you the propper belt tention. At the longest span between two polleys at the midway point press down with your thumb and you should not be able to move the belt more than 1/4 of an inch. Good Luck and have a good XMASS.
FOR THE 3.0L ENGINE IF YOU REPLACE AC BELT LOOSEN TOP IDLER PULLEY CENTER BOLT. IF YOU REPLACING ALTERNATOR AND WATER PUMP BELT LOOSEN ALTERNATOR ADJUSTMENT BOLT AND PIVOT BOLT.IF REPLACING POWER STEERING PUMP BELT LOOSEN POWER STEERING PUMP ADJUSTMENT BOLT AND MOUNTING BOLTS.****** FOR THE 2.4L ENGINE TO REMOVE POWER STEERING BELT LOOSEN TOP IDLER PULLEY.FOR ALTERNATOR AND WATER PUMP BELT LOOSEN ALTERNATOR ADJUSTER BOLT, PIVOT AND MOUNTING BOLTS.FOR AC COMPRESSOR LOOSEN LOWER IDLER PULLEY.
Got a 85 Nissan 720 4x4 with the 2.4 engine with Weber.Have them test the alternator after you take it off,also check your fusible links and your positive battery cable connected to starter and the negative battery cable that is grounded to engine.My truck has a volt meter telling me what the system is doing which normal is 14.5 volts while running,battery should read about 12.6 when not running,could also be that your alternator belt is loose,maybe change that while your at it.You can crank engine up,have hood open,rev engine up and watch belts turn to make sure they are not loose.I f you need,I can send you a free repair guide on your Nissan.Here's mine. 85 Nissan 720 4x4 Silverbullet 4 with Samantha YORKIE at the wheel look out
Nissan Sentra/Pulsar/NX 1982-1996 Repair Guide The alternators for Pulsar and Sentra have not changed much over the
years. However, the 1987-88 alternators for Pulsar and Sentra have a
different internal diode assembly.
Disconnect the negative battery terminal.
Disconnect the 2 lead wires and connector from the alternator.
Loosen the drive belt adjusting bolt and remove the belt.
Unscrew the alternator attaching bolts and remove the alternator from the vehicle.
Install the alternator and retaining bolts loosely.
Install the belt and connect the wiring.
Adjust the belt as outlined in
. Torque the retaining bolts to 25 ft. lbs. (34 Nm).
TURN OFF RADIO TO KEEP FROM LOSING RADIO CODE.THEN YOU REMOVE NEGATIVE BATTERY CABLE.DISCONNECT THE 2 LEAD WIRES AND HARNESS CONECTOR FROM ALTERNATOR LOOSEN THE DRIVE BELT ADJUSTING BOLT AND REMOVE THE BELT. UNSCREW THE ALTERNATOR ATTACHING BOLTS AND REMOVE THE ALTERNATOR FROM VECHICLE.VISA VERSA PUT EVERY THING BACK.AND ADJUST ALTERNATOR BELT TENSION.WARNING DONT PUT TOO MUCH TENSION ON BELT.BECAUSE YOU WILL DAMAGE ALTERNATOR PULLEY BEARING.
Oh, that is fun. It is easyest to drain the radiator and pull the lower radator hose. it is tight but it will come out. it beats pulling the distributor and power steering pump though. That is a tight fit. Good luck.