05-05-2024, 03:25 PM | #45 |
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I had planned to change both belts and all three pulleys but I was struggling to get a 21mm on the crank hub to turn over the engine in order to get the water pump belt off.
One advice I can offer is that it’s good to test out all your torque wrenches and extensions before you commit to it as I found I needed to try a multitude of 3/8 1/2 and 1/4 drives to get the access and be able to get the hex or torx sitting square as the access is so so tight. Twice I dropped a hex nut with a small extension but somehow I was able to wiggle my hand down and get it. So even though I knew just changing the belt tensioner alone was not ideal to fix my belt chirp at idle I decided to do it anyway and bending the lock pin to the profile of the new tensioner really helps. I got the one out and new one in quite quickly. The majority of the chirping sound comes from alternator area. So if like to get a long socket bar to be able to access crank hub and then tackle the water pump belt, serpentine belt and two remaining pulleys. Like some have said try tension on the new tensioner was notably stronger |
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05-12-2024, 04:44 AM | #46 |
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Got my complete belt and pulley change done last night
I was nervous about removing the oil lines as I thought oil would go all over the harmonic balancer and I wouldn’t be able clean it and I’d be worse off! Anyway I watched some mossel man thermostat install videos I decided to go for it. So glad I did. All changed and chirping sound is gone! I’m guessing it was the idle pulley as that seems to be the culprit. Although I was worried it was the alternator as the sound appeared to be coming from there. I was wasting my time trying to get access to the idle pulley with a T50 so once oil lines were removed and the the rubber connection at the bottom allows them to be set to one side. It was so much easier and I was able to torque everything to spec Turning over the crank hub to release tension worked exactly as per videos although I got a fright when it popped back when I put tension back on it! One thing that worked well for me was to put surgical gloves over the ends of oil lines to stop oil spewing out when manoeuvring the lines to the right. All in all I spend €300 on oem parts and Bmw wanted €3k to do the same job! So the €2700 saved must be spent on stage 3 turbos now! |
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05-12-2024, 07:38 AM | #47 |
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05-12-2024, 07:42 AM | #48 | |
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Quote:
“NOW YOU FUCKING TELL ME!” only joking. Prob would have but I don’t have an oil filter housing tool. Must get one for next oil change. Cheers. |
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05-12-2024, 06:12 PM | #49 |
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Hahaha..... yeah, if situation permits, timing this job along with an oil change seems ideal
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