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starting the mav, somethings now alive, and now dead again

Tech Talk for Nissan owners.

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starting the mav, somethings now alive, and now dead again

Post by hottiemonster »

i noticed that recently my mav has been harder to start than normal, it takes a little longer to tick over and sometimes feels like the battery is dying. also i occasionaly have the problem of a grinding noise when i try to start the car, just a tap on the battery terminals and it is fine?

Does it seem to be that the starter is stuffed, coz i dont see why the battery would lose power, and the voltage meter is fine.
Last edited by hottiemonster on Thu Jul 15, 2004 11:12 pm, edited 3 times in total.
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Post by turps »

Voltage can stil be good, but the amps may be buggered. Have you got access to a spare batt. could be worth swapping them over for a quick test.

But if there is a foriegn nosie in there as well, I would be leaning towards the fact the starter has had enough of being feed mud. So may be worth pulling this out for a rebuild also.

Another thing have you pulled apart the terminals and cleaned them. Or when starting does one of teh terminals get really hot. As I cleaned a fair amount of crap off a bad terminal the otherday. That wouldnt even let an old datto start.
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Post by hottiemonster »

i will have a play around with the car today to see what i can do
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Post by bundyrum4x4 »

Having a similar problem atm. Sometimes it starts fine, then not at all.
Re-built the starter 4 months ago. Not a hard job so will prob pull it down again to see if has re-filled with mud already :?
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Post by bazzle »

If you tap the batt terminals and all is fine doesnt thet tell you something???

Bazzle
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batteries

Post by Doggy »

I've had this prob a couple of times in my swb gq even though the batteries are brand spankers, try to start it some mornings if it hasnt been driven for a day or two or three and the batteries just dont have the nuts to crank the diesel over. Ive replaced the new batteries under warranty thinking they were dodgy and its happened again. I talked to a few other people i know through various things who own or have owned swb gqs and theirs had done the exact same thing. Havent heard of any lwb's doing it just shorties?????
Anyone got any idea?
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Post by hottiemonster »

well i thoroughly cleaned the terminals but it still does it, the last time i tried to start it, it felt like it was going to start.

also on another topic, i took out my radiator and cleaned it thoroughly, it was full of shit! Now the temp sits so much better :armsup:

i will try another battery and see what happens.

i tried to take off the starter this morning but the wires going into it wouldnt come off the starter and i didnt wanna break it, coz i was going to pull it apart and clean it out, i will try it after lunch again, anyone have any hints to disconect the wires, coz it seems like most on my car are stuck together (becasue of the mud :cry: )
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Post by hottiemonster »

bazzle wrote:If you tap the batt terminals and all is fine doesnt thet tell you something???

Bazzle


that fixes the grinding noise, but the car hesitates to start sometimes and its just recently
Last edited by hottiemonster on Tue Jun 29, 2004 2:44 pm, edited 1 time in total.
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Post by Daisy »

Peter,

any problem associated with cars....

F A C T S.

fuel, air, compression, timing, spark.

Will be one of them is my guess (spark being electronic)

TOM
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Post by hottiemonster »

well i just tried another battery and that didnt fix it so i guess its the starter then. i cant separate the connector as it is stuck, so i cant remove the starter :bad-words:
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Post by bundyrum4x4 »

hottiemonster wrote:well i just tried another battery and that didnt fix it so i guess its the starter then. i cant separate the connector as it is stuck, so i cant remove the starter :bad-words:


Time to chop and re solder a new plug on. That may even be your problem, if the plug is rusted out the contacts wont be working correctly.
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Post by hottiemonster »

bundyrum4x4 wrote:
hottiemonster wrote:well i just tried another battery and that didnt fix it so i guess its the starter then. i cant separate the connector as it is stuck, so i cant remove the starter :bad-words:


Time to chop and re solder a new plug on. That may even be your problem, if the plug is rusted out the contacts wont be working correctly.


well with the connector, one end has a wire going to the engine i presume and the other end contains a wire comming from the starter and then joining upto another wire that i presume goes to the battery. would this be correct? cause i dont think making a new connector would be that hard, just getting into the area is annoying.
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Post by bundyrum4x4 »

hottiemonster wrote:
bundyrum4x4 wrote:
hottiemonster wrote:well i just tried another battery and that didnt fix it so i guess its the starter then. i cant separate the connector as it is stuck, so i cant remove the starter :bad-words:


Time to chop and re solder a new plug on. That may even be your problem, if the plug is rusted out the contacts wont be working correctly.


well with the connector, one end has a wire going to the engine i presume and the other end contains a wire comming from the starter and then joining upto another wire that i presume goes to the battery. would this be correct? cause i dont think making a new connector would be that hard, just getting into the area is annoying.


Yeh, access was hard on the diesel, removing the oil filters helped. Never done on on a petrol but asume they would be similar
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Post by hottiemonster »

bundyrum4x4 wrote:
hottiemonster wrote:
bundyrum4x4 wrote:
hottiemonster wrote:well i just tried another battery and that didnt fix it so i guess its the starter then. i cant separate the connector as it is stuck, so i cant remove the starter :bad-words:


Time to chop and re solder a new plug on. That may even be your problem, if the plug is rusted out the contacts wont be working correctly.


well with the connector, one end has a wire going to the engine i presume and the other end contains a wire comming from the starter and then joining upto another wire that i presume goes to the battery. would this be correct? cause i dont think making a new connector would be that hard, just getting into the area is annoying.


Yeh, access was hard on the diesel, removing the oil filters helped. Never done on on a petrol but asume they would be similar


yeah there is the main oil filter coming off the block infront of the starter and i had to take off the air cleaner off the carby to give myself some more room to work with
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Post by turps »

Just on the terminals on the starter. When you attempt to start do they get very hot. Cos if so then that is the problem, not enough current getting through. As mentioned before, clean them get new ones and also put a dab of metal type grease (has a high copper content - I think that is the right stuff).
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Post by Woop »

Just remove the starter motor complete with batt cable attached. The studs that hold the batt cable to the starter motor are copper i think and from memory, the nut is 12mm. Check the earth cable from the engine to the battery and also where it connects to the engine block for cleanliness and tight connections. If you do decide to remove the starter motor with batt cable attached, remember to remove the ign switch feed to the solenoid. You'll probably find there are no brushes left--replacing them may fix problem

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Post by hottiemonster »

well on tuesday night if didnt feel like starting but it did finally, and since then, it has started beautifully, so i dont know whats wrong.
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Post by Daisy »

hottiemonster wrote:well on tuesday night if didnt feel like starting but it did finally, and since then, it has started beautifully, so i dont know whats wrong.


To quote murphys law...

It will be broken until it is repaired and when attempted to be repaired by a repairman or thyself.. it may suddenly work again.

Then it breaks again.

Find the cause and elimiate it.

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Post by Mark2 »

Had a similar problem, turned out to be the battery earth lead - there is a lug half way along which holds it to the body, most of the copper wire strands had broken at this point. Hard to see without taking it out.

Nissan wanted $$$$$$$$, auto electrician made me up a new one for about $20. Starts instantly now.
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Post by hottiemonster »

Mark2 wrote:Had a similar problem, turned out to be the battery earth lead - there is a lug half way along which holds it to the body, most of the copper wire strands had broken at this point. Hard to see without taking it out.

Nissan wanted $$$$$$$$, auto electrician made me up a new one for about $20. Starts instantly now.


i will check this out later today
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Post by hottiemonster »

well the mav is now dead! R.I.P. unless it can be resussitated on tuesday :rofl:
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Post by Daisy »

hottiemonster wrote:well the mav is now dead! R.I.P. unless it can be resussitated on tuesday :rofl:


Gettin it cremated??

Can i attend?? It'll make a spectacular fireball ;)

:rofl:
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Post by hottiemonster »

how much is a starter motor worth? coz in my opinion it seems the corz. Now all it does it make a click when i turn the key.
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Post by Daisy »

hottiemonster wrote:how much is a starter motor worth? coz in my opinion it seems the corz. Now all it does it make a click when i turn the key.


Ive been told by various people that its not expensive to have the starter checked and have it rebuilt - was told that it'd be a 50 dollar job to fix it...

But with the 2.8s starter motor - it had a clutch system in it so it ended up being 300 bux :bad-words:
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Post by hottiemonster »

so the carby 4.2s are cheap? nice :armsup: i will get that done. know anywhere good in melb to get it done?
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Post by bundyrum4x4 »

Deisel starters are around $250 for a rebuild. $50 is you do yourself including new brushes
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Post by hottiemonster »

well RACV says its definately starter motor, so i guess i will have to just break all the wiring to get the fukka out. Where would i go about getting new brushes for it? just the local auto elec or some specific place?
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Post by berazafi »

mine had a soilniod problem not throwing it out far enough causing both starting and engaging problems replace that as well as brushes
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Post by bundyrum4x4 »

hottiemonster wrote:well RACV says its definately starter motor, so i guess i will have to just break all the wiring to get the fukka out. Where would i go about getting new brushes for it? just the local auto elec or some specific place?


I had mine done up the road from work in Mulgrave ( nice and handy ). They fitted the brushes for me thus making it easier.
Knites Auto Electrics.

Dont forget to replace the bearings white at it.

Good luck :)
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Post by hottiemonster »

berazafi wrote:mine had a soilniod problem not throwing it out far enough causing both starting and engaging problems replace that as well as brushes


well i asked about a solinoid problem, but then he said he bypassed the solinoid and traced it to the start itself, its got nothing to do with an earthing problem, as we tryed a few things while he was there.
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