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Old 08-14-2017, 09:45 AM   #1
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Bad vibrations, loss of power

Hey everyone, I have some questions about my 95 camaro. It's a 3.4 sfl v6 with 180k on it. I've recently had this problem where it vibrates super bad between 1500 and 3000 rpm. It happens when I step on the gas pedal but when I cruise it seems to stop. I'm pretty new with cars but I'm hoping to learn more as I go. I've recently changed the spark plugs, wires, coils and had a new catalytic converter put on. I've also changed the upper and lower radiator hoses and did a coolant flush along with an oil change. The vibration is something new and it's really messing with me. At fist I thought my e brake wouldn't disengage from my back driver side tire ( where it seems to be coming from) so I removed the wheel and opened the drum. It sounded like a spring popped back in place so I assumed everything went ok. Still having the vibrations and loss of power. This morning I could smell fuel while taking my girlfriend to work. I checked the engine and found a fluid trail coming from a small pump like future on the right side of the engine. It looks like previous owner slapped some duck tape on it but I'm not sure what the part is. The hose with the fluid trail on it is the brand new radiator hose I put it in. ( pics included) no check engine light but " brake " and " abs inop " lights are on. Idk if any of this helps but hopefully it sounds familiar to someone. Could it be bad/ leaky fuel injectors or maybe unbalanced tire? It sounds rough when idling but stays just under 1000 rpm when still. Please help! Thanks in advance
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Last edited by Teeler206; 08-14-2017 at 10:02 AM. Reason: Wrong side tire
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Old 08-15-2017, 10:35 AM   #2
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for the Vibration, check your driveshaft. It's probably a 2-piece shaft with bad carrier bearing.Any 1-piece driveshaft from about 85-02 will just fit right in.
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Old 08-15-2017, 04:50 PM   #3
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Quote:
Originally Posted by 96firephoenix View Post
for the Vibration, check your driveshaft. It's probably a 2-piece shaft with bad carrier bearing.Any 1-piece driveshaft from about 85-02 will just fit right in.
Thank you! I'm gonna take a look here and see what I can find! Would signs of a bad one mean it's just loose fitting or?
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Old 08-15-2017, 05:46 PM   #4
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Thank you! I'm gonna take a look here and see what I can find! Would signs of a bad one mean it's just loose fitting or?
Yes, loose fitting. But not necessarily meaning it will actually move by hand.
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Old 08-17-2017, 11:35 AM   #5
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The Carrier bearing has a rubber diaphragm between the mounting loop and the bearing to absorb vibrations. In my experience, this diaphragm is the failure point, and it is typically torn.

If it is wildly broken (like my first firebird), it will be movable by hand. If it is only mildly broken (like my second firebird), it will not appear torn until after you remove the bolts on the carrier assembly (2 bolts into the tunnel sidewall)
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