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Replaced rotors and pads-on to more issues...
I replaced the pads and the driver side front rotor today. I ordered two rotors but the shop could only get one. It was just as well because me and my friend helping me could not get the passenger side front caliper off, one of the bolts would not budge. We thought we would need to remove the caliper to get the last pad out but it eventually came out. I took some pics, and yes, I know my sensors are on wrong so don't tell me! The sensors on the other side broke, so I was two for four.
The rotor I replaced was warped, you could feel it at slow speeds and it caused some vibe at high speeds. No more of that, but I do still have a shake or vibration at 70, especially as I just start to decelerate/let of the throttle, so I'm still due for some front end work. I don't know what it is. Here's the pics:
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84 300D, 303K 71 MGBGT, ?K 96 GMC C1500, 115K |
#2
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Good job, hope you get the other side soon.
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83 SD 84 CD |
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Could shake be the rubber flat disk at end of drive shaft on forward end?
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1982 300SD |
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I actually think its the tires, they suck so bad. I bought them for a cheap, temporary tire and ended up putting 30K on them and they are in horrid shape. Firestone FR380's. Next is Pirelli four seasons or Kumho's.
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84 300D, 303K 71 MGBGT, ?K 96 GMC C1500, 115K |
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Did you check/clean/repack the inner and outer bearings when you did the rotors? If you had bad bearing or too much/little play it could cause I vibration, I think.
Could be tires ... I had cupping on one tire on my 300D that caused a very mild but annoying vibration. Replaced all the tires eventually anyway, so it's no longer an issue.
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1987 300D, arctic white/palomino--314,000 miles 1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles 2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles 2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles 1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles 1995 S320, black/parchment--34,000 miles (Dad's car) |
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Yep, questionable bearings can indeed cause vibration, my brother's 300D had shot bearings, and it was noticeably tighter and vibration free especially at 60+ with the new bearings.
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
#7
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Repacked the bearings, and based on a visual inspection they were OK. I really think its the tire, but I will be rotating the spare to find out!
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84 300D, 303K 71 MGBGT, ?K 96 GMC C1500, 115K |
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Quote:
Did the calipers seem to operate well? A stuck caliper could probably cause a vibration-like sensation ... although you'd probably get it when braking at any reasonable speed. My 240D had stuck calipers, terrible rotors and dilapidated pads. The bearings looked good but I'm sure they were due for a repack. So I was getting vibration like nobody's business before I replaced all the ancient artifacts ... it's hard for me to say which vibration was coming from where. I'd give the flex discs and motor mounts a look for good measure, too.
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1987 300D, arctic white/palomino--314,000 miles 1978 240D 4-speed, Euro Delivery, light ivory/bamboo--370,000 miles 2005 Jeep Liberty CRD Limited, light khaki/slate--140,000 miles 2018 Chevy Cruze diesel, 6-speed manual, satin steel metallic/kalahari--19,000 miles 1982 Peugeot 505 diesel, 4-speed manual, blue/blue, 130,000 miles 1995 S320, black/parchment--34,000 miles (Dad's car) |
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