Repair OPEL astra alternator not working problem diode board!

How To Repair Alternator Opel Astra G Corsa Combo Meriva 1.7 DTi 2000-2005 AUTO ELECTRIC
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Regulator
The voltage regulator controls the amount of power distributed from the alternator to the battery in order to control the charging process. Regulators are designed with different functions and work depending on their specification.
Rectifier
The rectifier is used to convert current from alternating current (AC) to direct current (DC) during the charging process.
Rotor
The rotor is the spinning mass inside the alternator that rotates via the pulley and drive belt system. The rotor acts as a spinning electromagnet.
Slip Rings
The Slip rings are used as a means of providing direct current and power to the rotor.
Slip Ring End Bearing
The bearings are designed to support the rotation of the rotor shaft.
Stator
The stator consists of several coils of wire wound through an iron ring. The stator sits outside the rotor, when a magnetic field is created the electrical current is made.
Drive End Bearing
The bearings are designed to support the rotation of the rotor shaft.
Pulley
The pulley is connected to the rotor shaft and the drive belt system. Rotation created by the engine the drive belt system turns the pulley beginning the charging process.
Armature
The armature is an electromagnet, mounted on the drive shaft and bearings for support. It is a laminated soft iron core which is wrapped with numerous conductors loops or windings.
Brushes
The brushes run on a section of the commutator at the rear of the housing, making contact with the contacts of the commutator and conducting electricity.
Solenoid
The solenoid contains of two coils of wire that are wrapped around a moveable core. The solenoid acts as a switch to close the electrical connection and connects the starter motor to the vehicle's battery.
Plunger
The plunger works by using the connected vehicle battery and the solenoid to push the plunger forward, which engages the pinion.
Lever Fork
The lever fork is connected to the plunger so when the plunger is pushed forwards, so is the lever fork. This process then activates the pinion.
Pinion
The pinion is a unique combination of a gear and springs. Once the starter is engaged the gear is extended into the gearbox housing and is engaged with the flywheel. This spins the engine to begin the combustion process.
Field Coils
The housing holds the starter fields in the housing with screws. This can consist of two to four field coils connected in series. Energised by the battery this converts the coils into an electromagnet which then turns the armature. When the armature coils are powered a magnetic field is created around the armature.
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[@Romlanco]

there is a black rubber seal on the inside that you have not shown.
I removed mine to find it filled with oil and one bush collapsed. would be great if you showed the oring on the pump side. Great video!

[@damiandixon8300]

Another great job, well done. I don't like to see this type of alternator coming into my workshop for repair.

[@Seboja]

I`m glad you like my work... I love doing them :D Although they have a problem with stator and rotor.

[@Megalocade]

This is the same alternator on my combo van only its a clutch pulley version, the clutch pully went on mine plus it was leaking oil so decided to buy a new one, the new one works fine except when i originally fitted it oil was pissing out the back of it due to a poorly installed o ring between the alternator and vac pump, it seems they never test these vac pumps in the factory as this is twice ive had this with new alternators.
Great video though i shall be rebuilding my original hatchi one so i got a new one waiting to go, chances are the new one will start leaking oil out the rear seal after about 50k they always do.

[@apna.Kharian]

Good job

[@ghulabkhan762]

Good morning

[@ricardojuarez291]

That was awesome 😎😎 video liked.. on a previous videos, I ask how you can get up to 400 amps at 14.7 v out of an alternator, and I found a page here in united states.. I believe it's a good brand mechman alternators.. I order one of 320 amps and it can go up to 350 amps.. I can't wait to installed in my truck.

[@Seboja]

I m glad you managed to manage, send ne a video, when you solve everything, I d like to see it

[@ricardojuarez291]

@@Seboja got it thank you.. and keep up the good work, your knowledge is escencial for everyone..

[@Plumbumas]

Good video. It would be interesting to see how to improve alternator performance to get higher amperage and voltage from stock alternator. What need to change.

[@micmac9853]

where can we buy the 37ve50 regulator, carbon brush and copper slip rings/ commutator?

[@ronanjuries7091]

Hi my alternator light doesnt come on whilst the car is driving but my battery doesn't charge.
If i disconnect my negative terminal car dies. (switches off).
Why would the alternator light stay on.
Or is it only for the belt.

[@gabrielilie3355]

Hello, your videos are very helpful. With what substance do you wash the stator, the rotor?

[@Seboja]

I wash with a product called akra, it is for washing engines

[@gabrielilie3355]

@@Seboja Thanks.

[@gabrielilie3355]

Datorita filmulețelor tale mi am reparat alternatorul! Mi-ai fost de mare ajutor. Mulțumesc

[@Kiksoni349]

Good evening, I have a problem with my Astra G 2003. During driving, the revs drop below 9 and the speedometer doesn't work. Maybe you know what it would be, thanks in advance.😀

[@Seboja]

Ne vozis dovoljno brzo :D