TOYOTA TROUBLE please help us

**banjo** · 9th April 2010, 10:51 AM

Ok been out working on fatty's crapoyta all morning & still no luck. Its starting & running with no charge light on had been running for awhile just idling, on the dash was running fine.so i reved it up went to 4k then the light came on & no more charge it was down to 11.5 so i went & played with the wiring & it went off & started to charge again so i left it running for a bit & was fine so i reved it again & the dash light came on & no charging .Couldn't get it to go off or charge again. The car has been turned off for a little bit now so i will go start it again & see if it works. I have no idea now as to what it could be i checked the wires all of then from voltage reg to battery & the fuse box under the bonet all good checked the continuity & was all fine plus a visual check & i sprayed & cleaned all the plugs is the system i could find..
Starting to look like its going to be a freebie..
Or a big bombfire.

The voltage regulator is a brandnew one.
Battery is fine .
Alternator checked out ok at auto sparky he said was charging fine..(bench tested).

**bblaze** · 9th April 2010, 11:30 AM

I wonder if it may have a broken wire inside the insulating plastic , maybe close to the engine so when it revs it is enough to flex and break contact.
When its charging again work your way along the loom bending and twisting the wires and see if that produces the fault.
cheers
blaze
ps
or an invite to the bonfire

**banjo** · 9th April 2010, 11:45 AM

Thanks Blaze i'll do that.I just went & started it & nothing changed .was sitting on 11.7 then when i unpluged 1 of the plugs it went to 11.72 then back to 11.7..Just about had enuff.
Was wondering if it mite be the alt when it gets hot or some speed on it something not working properly in it .

**banjo** · 9th April 2010, 12:56 PM

Went & tryed again but no luck will try maybe later or first thing in the mornin when completely cold. It was 11.6 this time when i started it..

**BMKal** · 9th April 2010, 07:53 PM

If you've got a decent multi meter, I'd be measuring the alternator output AT THE ALTERNATOR rather than at the battery. Measure this throughout rev range etc - this will at least either confirm or eliminate the alternator as the problem.

If the alternator checks out OK - then start looking for a problem in the wiring, or simply bridge it as a temporary fix. It wouldn't be the first time that I've had to run a new wire from the alternator output to the battery to get myself out of trouble.

If the alternator still gives you the same sort of erratic readings that you're getting now when you measure the output at the alternator, then it's a pretty safe bet that the alternator's the problem, and you're wasting your time looking anywhere else.

**banjo** · 9th April 2010, 09:27 PM

Originally Posted by BMKal

If you've got a decent multi meter, I'd be measuring the alternator output AT THE ALTERNATOR rather than at the battery. Measure this throughout rev range etc - this will at least either confirm or eliminate the alternator as the problem.

If the alternator checks out OK - then start looking for a problem in the wiring, or simply bridge it as a temporary fix. It wouldn't be the first time that I've had to run a new wire from the alternator output to the battery to get myself out of trouble.

If the alternator still gives you the same sort of erratic readings that you're getting now when you measure the output at the alternator, then it's a pretty safe bet that the alternator's the problem, and you're wasting your time looking anywhere else.

THANKS Kal i will do that first thing in the morning & let use know how i get on. thanks again.

**banjo** · 13th April 2010, 04:03 PM

Well been out working on that peice of **** crapoyta allday today took the alternator out again.it was only charging at 11.8 i have checked all the wiring & plugs between the voltage reg & battery all seem fine but an auto sparky checked it & tested the alt again today said it was fine but its cold & not upto speed doing the bench test..So while it was out i looked for where all the power steering fluid was coming from & bugger me there was a bolt missing from the bottom of the pump so i gave it all a clean up & found a bolt to fit , that was that job done. So i pulled the alternator apart to see how it was & the bushes where, Well the amount of **** & grime & fluid in it wasn't funny & the bushes where next to nothing left so went back to the auto sparky & got some new ones $8 for the two.. So i cleaned it all up that was a nightmare so much **** in it, put the new bushes in it & all soldered up , Put it all back together Then fitted bac in the car.. I wasn't expecting much but after it was in & all hooked up it was time to start it.. & it did start & was charging but down a little but with the new voltage regulator we got it is adjustable so i let the car warm up & put the multimeter on it , it was 13.5 right on the bottom side of what it said it should be in the book. The book said it should be regutated voltage 13.5 to 15.1 volts..
SO inside the new voltage reg is a thing like a nob thingy that can be turned , So i set the tacho on 2000 rpm with the hand throtle nob on the dash & went & played wound it down first it went to 12.9 so slowly worked it up till it was on the 14.2 mark , left it for i minute & it dropped a little so very slowly wound it up again till it was on the 15.23 & left it & was good so i turned the hand throtle right down & off & the volts are now 14.19 to 14.2 so it was all good ..
So i turned the car off & the volts started to drop didn't leave it on long enuff to see how low But waited 20 mins & tryed to start it & it started. All this time the dash light stayed off even after some real heavy reving upto about 5k to 5.5k & still stayed off it wasn't doing this before it would allways come on & stop charging . So i put the car away for now & will go & try to start it after tea & if ok fatty going to take it for a drive for a while in our street & see how it goes & if ok will take it a bit ferther & see how it goes ..But if we are lucky it mite be ok & I CAN HAVE MY CAR BACK...

THANKS again ti all how gave advise I will let use all know how it goes ..

THANK to Drifter for the workshop manual very helpfull & an interesting read..

Thread: TOYOTA TROUBLE please help us

Thread Tools

Bookmarks

Bookmarks

Posting Permissions