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Search Auto Parts Search just replaced rod and main bearing and now have a knock Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine and Car Noises emetseagle New User Jul 18, 2011, 1:12 PM Post #1 of 7 (2570 views) just replaced rod and main bearing and now have a knock Sign In i just replaced my main bearing and rod bearing in my 97 eagle talon esi and i have a knock ever sense the first start up start up . i checked timing and thats perfect .all valve train cam ect. are in working order . so i pulled my oil pan off thinking that i must have spun or stacked a bearing. but i checked all four of the rod bearings and there still like brand new what could be wrong. ohh. and i got the right size beraings i had them measured . and i did not turn the crank shaft. . i orgnail took the engine out because it blew the head gasket .sence the motor wasout . and the engine had 289000 + mlies on it i decided to go thru it Hammer Time Ultimate Carjunky / Moderator Jul 18, 2011, 3:01 PM Post #2 of 7 (2563 views) Re: just replaced rod and main bearing and now have a knock Sign In You may have "gone through it" but you obviously missed something in the process. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. zmame Veteran / Moderator Jul 18, 2011, 3:22 PM Post #3 of 7 (2559 views) Re: just replaced rod and main bearing and now have a knock Sign In you can just replace main bearings without machining the crank.. Did the old bearing spin??.. if it did you journal could be undersized and the rod it self could be damaged. emetseagle New User Jul 18, 2011, 4:08 PM Post #4 of 7 (2556 views) Re: just replaced rod and main bearing and now have a knock Sign In no the old bearings did not spin it was just the head gasket.. i just thought sence i got it apart might as well and do it considering the mileage..... zmame Veteran / Moderator Jul 18, 2011, 5:41 PM Post #5 of 7 (2547 views) Re: just replaced rod and main bearing and now have a knock Sign In you would have been better leaving it alone.. check oil pressure make sure pump, pickup is installed correctly. You will have to get a oil pressure gauge through a loan a tool program. emetseagle New User Jul 18, 2011, 6:12 PM Post #6 of 7 (2539 views) Re: just replaced rod and main bearing and now have a knock Sign In Ya i got beautiful oil pressure. Pickup tube has new gasket it only goes on one way..would the pistons not going back in the cylinders they came out of be the reason. Just a thought zmame Veteran / Moderator Jul 18, 2011, 8:03 PM Post #7 of 7 (2533 views) Re: just replaced rod and main bearing and now have a knock Sign In Yes along with other things.. some rods are cracked which means all the pices broken to only fit that part in one direction.. so if you mixed up all your parts you might be in trouble.. also pistons might be a different sizes for different cylinders.. some also have to be installed a certain direction. See if the rods and caps are numbered you might get lucky..   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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