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Alternator/starter Motor Issue

Tommmay

By Tommmay,
in General Maintenance

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Tommmay Enthusiast

Tommmay

Posted
Posted

I have bought a r33 gtst

and it came with a problem starting it like a sticky solenoid and what i thought was belt squeal on startup

So i got the battery checked and charged fully

Changed the starter motor Problem solved.(Or so i thought it was)

Bout a month later the problem came back the sticky solenoid issue.

it was happening rarely once a week, but now its consistent with every startup

Also the alternator squeal has got worse witch on startup if it is screeching the Hicas light

turns on and i lose power steering and the lights dimmer.

Could the alternator be causing the starter motor issue making it feel like a sticky solenoid

as maybe the battery is not charged properly

It sits at 13v or so under no stress and seems to be keeping itself at that level?

anybody came across a issue like this

Cheers

Tommy

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89CAL Grand Master

89CAL

Posted
Posted

When you say the alternator is screeching, do you mean the altenator is screeching or the belt is squealing?

The only 2 noise related problems you can have with an altenator are belt loose/worn or the altenator bearings have gone or started to go.

Check the basics first because they are cheaper, a new belt (or tightening the belt) is alot cheaper then getting a new altenator

As for the starter clicking/sticking then this wont be an altenator issue unless the charge is down. If you have a turbo timer or Power FC Hand controller, set it up so you can see voltage all the time and check the voltage before starting and while starting. If there is low voltage on startup then you either have a stuffed battery or the altenator isnt charging. If the voltage drops from 12(ish) volts to below 8V (from memory) then you will have a battery problem.

Tommmay Enthusiast

Tommmay

Posted
  • Author
Posted

When you say the alternator is screeching, do you mean the altenator is screeching or the belt is squealing?

The only 2 noise related problems you can have with an altenator are belt loose/worn or the altenator bearings have gone or started to go.

Check the basics first because they are cheaper, a new belt (or tightening the belt) is alot cheaper then getting a new altenator

As for the starter clicking/sticking then this wont be an altenator issue unless the charge is down. If you have a turbo timer or Power FC Hand controller, set it up so you can see voltage all the time and check the voltage before starting and while starting. If there is low voltage on startup then you either have a stuffed battery or the altenator isnt charging. If the voltage drops from 12(ish) volts to below 8V (from memory) then you will have a battery problem.

Will do in the morning

Im pretty sure its the alternator bearings

my thoughts the alternator is not charging the battery back to full enough just keeping it low

89CAL Grand Master

89CAL

Posted
Posted

If you have a multimeter then check the battery voltage when running with the multimeter in case there is any voltage drop in whatever you are reading the voltage off in the car because it does happen. It should be 14-14.5V, get a mate to rev the car while checking to see if it changes at higher revs to.

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