the spark plug is less than 10k km old (bosch) so I initially did not change it. Decided to change it anyway to original mercedes (turns out made my NGK) bam emission passed, LTFT now hovers at 5-8%.
bosch alternator is better. get a bosch alternator.
Rockauto.com shows reman units, both Bosch and Valeo. As far as interchange with Bosch, I dont know, but worked at the dealer and they always asked if it was Bosch or Veleo because it could not be determined by Vin.
I noticed that between 4ah and 5ah battery is little difference, but not much, 15% i would say. BUT 5.5 procore seems like 50% better than 4AH bosch battery and at least 15-20% stronger than bosch 5AH battery. When i say stronger, it is noticable in speed,strenght when i cut pellets, or drill concrete, or doing some 100mm or larger screws.
I think most people don't have issues with hot starts, and the bosch rebuilds are pretty decent.
I've changed my spark plugs three times, always with the Bosch Iridium, never had any problems. Pre-gapped, takes me about 30 minutes from start to finish. Lasts me about 90,000 miles.
I've done my starter once, this was about 12 years ago. I did it with a remanufactured Bosch unit. I haven't heard anything about heat affecting the starters.
Went back to old Bosch coil (which was not bad before) and no change.
I ordered Bosch brake pads after installing them. I noticed a knocking sound and if you look in the pic there’s a gap at the top and bottom of the ears on the pad. I threw my old pads away so I couldn’t even compare them. Only when driving really slow then braking or in reverse. Didn’t do it every time but the noise is driving me crazy. I also installed new rotors front and back and it’s only the front driver side making that noise.
Bosch dn gamit ko dati pero pangit ng hagod.
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