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  1. J

    Alternator question

    It's strange because this seller has sold over 60 of them on the ebay listing that I bought from and the seller doesn't have any negative feedback they have 100% with thousands of feedback. But strange thing is considering they sold 60+ they only have 9 feedback for this particular item. The...
  2. J

    Alternator question

    So does that sound like bearing compared to belt slip? Before I started this job of changing the alternator car was super quiet. So the only 3 new things i've put in since are the alternator itself, new idler pulley made by NTN Japan and a new OEM belt. The idler pulley spins freely, the belt is...
  3. J

    Alternator question

    Yes the alternator has one of those OAP or OAD type pulleys not sure exactly which one but its not a solid type. I managed to extract an audio clip from my CCTV camera which is on the other side of the house of when I started up the car and you can hear it on this camera so you could imagine how...
  4. J

    Alternator question

    Its a 2006 Lexus IS. From what i've seen is that the cable that goes from the alternator to the battery is connected to some heavy duty fuse and sometimes people tend to not disconnect the negative and end up shorting the positive cable on the alternator to the ground causing this fuse to blow...
  5. J

    Alternator question

    The battery polarity is 100% correct. I only disconnected the negative on the battery. And on the alternator itself there is only one clamp type positive cable and the other one is a multi-wire connector. So these only went in one way. The positive cable has a rubber boot cover over it and i put...
  6. J

    Alternator question

    If lets say the smoke and noise was from a belt issue, the fact that this much smoke was generated could it have damaged anything?
  7. J

    Alternator question

    I will check tomorrow and report back
  8. J

    Alternator question

    I will double check belt route tomorrow in the day time. If it is the alternator then what exactly could be happening to create smoke and noise ?
  9. J

    Alternator question

    No I didn't get round to checking that as I panicked with the smoke and noise. If it's not the alternator and is the belt should smoke have been coming from the alternator itself? I'm almost 100% sure the smoke looked like it was coming from the alternator area. Is there a easy way to tell if...
  10. J

    Alternator question

    OK, I will try this tomorrow while I wait for a return label from the seller. If it spins freely by hand then when I start it up even if it's smoking a lot should I shut it off or just wait? So even if it's smoking just let it run? Before I installed the belt I did try and spin the alternator...
  11. J

    Alternator question

    How will I be able to tell if it's a slipping belt? It didn't sound like a slipping belt it was extremely loud. The belt is on nice and firmly and all the grooves are slotted in. Smoke looked like it was getting worse and denser and I didn't want to risk anything else damaging so I just turned...
  12. J

    Alternator question

    I turned it off and disconnected battery straight after I noticed the smoke. When I looked in the engine bay it appeared the smoke was coming from the alternator. At first I thought could it be the new idler pulley or the new belt but idler pulley spins freely. The belt looks fine and it's under...
  13. J

    Alternator question

    It is marketed as 100% match for my vehicle with the OEM reference numbers etc all matching up. I don't think it's genuine Lucas brand either because it's marketed as aftermarket but seems to have a label on it that refers to the Lucas alternator model number. everything lines up perfectly and...
  14. J

    Alternator question

    Really annoyed as it was quite a lot of work getting that bugger installed. Have initiated a return request. Surprised that a so-called brand new product can do this. Is there anything I could have done wrong in the install that can cause this? like I mentioned, the only thing I did was...
  15. J

    Alternator question

    OK so a disaster, i installed the alternator and when I started the car, the alternator was whining so loud went to check it and a huge amount of smoke was coming out of it. Litterally smoking bad. So I turned off the car and disconnected negative again. Does that mean a bad alternator? I...
  16. J

    Alternator question

    So the coils are coated in some kind of colour? What happens if one of these coils were to like get more deeper damage? Ahh is that why when I was tightening the top bolt it looked like the bolt was tight but it kept going almost like something is springing and then eventually it tightened.
  17. J

    Alternator question

    So i installed the new alternator, it was a very awkward and tight place getting it out and in. When you look through the vents, what are the copper/bronze looking coils like the ones arrowed in pic below? While trying to get the new alternator into its position through the tight opening one...
  18. J

    Humming loud noisy potterton combi

    Thank you. So basically I either need to move the flow pipe that's going into the left to right to go into the TRV and move the return pipe to the left. If pipes don't move then I will have to remove the valve at the radiator openings and swap them around? Do i use PTFE tape on the thread? I...
  19. J

    Humming loud noisy potterton combi

    So TRVs are supposed to be on the flow line not return? With the exception of bidirectional TRVs I read. My TRVs are Myson brand 2 way TRV. Is that bidirectional? How do you know which end is flow and which end is return? One side heats up quicker than other side when boiler is turned on is that...
  20. J

    Humming loud noisy potterton combi

    TRV on the wrong end? Seriously? it's been like this since the property was built 11 years ago. It was a new build and all the TRV's are on the right. The only radiator that doesn't have TRV is the passage one near the thermostat. Regarding the yo-yo pressure yes that seems to have been solved...
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