04-14-2023, 06:10 PM | #1 |
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Problems with my 116i N13 F21
Right now I don’t really know what should I do with my car. It has 87k milles, remapped to 220hp. It only have had 2 problems during the last 10 years, 1 coolant pipe (the one that usually breaks that is in the back of the engine) and 1 coil (just after replace 4 sparks) and running 5w30 he barely burn 0.5 litres every 6k milles so I think that I’m really lucky reading the comments of the people about the N13 engine.
But now, sometimes I have problems when I’m accelerating around 3k rpm, if it is uphill it’s worst. Sometimes it’s like a power cut of 0.5 seconds, sometimes it seems to be misfires, and sometimes nothing. I don’t have any DTC on ISTA. All these engines sound pretty bad on cold starts, but mine, I think that it’s starting to sound the timing chain, and maybe this elongation could cause this problem when VANOS kick in, what do you think?? I have tried to run 98RON (best petrol here in Spain) but there is no changes. Should I try to reinstall my old sparks/coils?? I’m not really sure about this, because it didn’t started after the replacement. I will upload a video showing the pretty ugly cold start sound Thanks in advance |
04-17-2023, 08:25 PM | #3 |
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05-19-2023, 04:53 AM | #8 | |
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It caught me out because the driving wheel has a rubber friction coating which seemed worn so i assumed i was looking at the belt. |
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05-19-2023, 06:30 AM | #9 | |
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05-20-2023, 07:27 AM | #10 | |
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05-21-2023, 02:05 PM | #11 |
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All right. I had to recall I had downloaded a few "technical training" documents before ordering the car. Here we are (in my own translation ).
The belt drive includes the main belt drive with the alternator and the air conditioner compressor and and additional belt drive with a friction wheel and the coolant pump. The main drive has a tensioner, the additional one does not. 1. Crankshaft pulley. 2. Belt. 3. Belt tensioner. 4. Alternator pulley. 5. Air conditioner compressor pulley. 6. Friction wheel drive. 7. Coolant pump. The N13 engine's coolant pump is driven with a friction wheel. In a de-energized state of the friction wheel actuator the friction wheel is pressed against the crankshaft pulley and the coolant pump with a spring. The coolant pump is driven with a friction wheel that looks like a pulley with a belt attached. The back side of the belt on the crankshaft pulley rotates the friction wheel. The friction wheel, in turn, drives the coolant pump. This design allows to do without another belt drive. This allows for better use of the mounting space and makes the design shorter and compact. Due to less side forces on the coolant pump shaft the pump's housing can be completely plastic. The plastic housing facilitates flows and the coolant pump's performance. 1. Attachment screw. 2. Case cover. 3. Maintenance handle. 4. maintenance tape. 5. Spring. 6. Eccentric. 7. Top mount. 8. Case cover. 9. Electric motor. 10. Plug-in contact. The thermoregulation system detects the need for cooling at the particular moment and regulates the cooling system accordingly. In some working states the coolant pump can be completely off, for example, for quick coolant heating at warming up. Besides that the auxiliary coolant pump responsible for cooling of the turbocharger can be turned on and off. That is, cooling intensity can be set independently of the engine crankshaft revs. The thermoregulation system is capable of turning on and off both the mechanical coolant pump and the electrical auxiliary coolant pump depending on the need and also of executing the adjustment of the programmable thermostat. Thus the engine control system can adjust the coolant temperature to the traffic situation. These measures allow additional fuel saving. |
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05-24-2023, 11:52 AM | #13 |
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On a local site. They are in a language you wouldn't want to know (I had to translate those excerpts), this is why I didn't simply share a link or upload those here . I've just checked it (I downloaded those documents in the February of 2013), it looks quite down anyway.
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05-25-2023, 02:06 AM | #14 | |
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Do you know if there is an "official way" to get these even in english? I'd be happy to pay a reasonable fee just to learn and study more about this specific car. |
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05-25-2023, 05:21 AM | #15 | |
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05-26-2023, 08:07 AM | #16 | |
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Thanks for link, useful data. Guess I deserved the music. Still could not find specifically N13 or F20 docs, guess we are out of luck with this one. |
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06-07-2023, 01:35 PM | #18 | |
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I also drove a carsharing Corolla 122hp hybrid and it seems to be faster than the 186hp Mazda, and the fu*ing Corolla is doing 0-100 in 5 natural days... |
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