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Ford F-Series Rough Idle/Vibration Problems

136 messages,  Last post on Nov 06, 2009 at 7:23 AM

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What is this discussion about? Ford F-150, Engine, Truck

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#131 of 136 Re: 1998 F150 4.2 V6 Coolant Loss [mickeymouse2] by kcall2 Jul 17, 2009 (5:52 am)
Replying to: mickeymouse2 (Jul 16, 2009 6:49 pm) Thanks, mick. I'll give it a try as soon as I can get the truck home and let it cool off.   I was hoping there was a product that worked to seal without a teardown and new gaskets. Had considered Barrs Leak, but as I remember, it only works on pinholes in radiator.   The folks on these forums are a wealth of great info!
#132 of 136 Re: So Disappointed [idctr] by wesleym Aug 19, 2009 (3:36 pm)
Replying to: idctr (Aug 05, 2006 7:20 am) I think I can help you. I have had this problem on past vehicles. I now have a 2007 Ford F150 Crew Cab and it was doing some of the stuff you were describing. I bought a set of Bilstein heavy duty shocks for this truck. I put them on front and back and the driveability improved 100%. The shocks that were removed, you could compress with one hand very easily. They had no rebound on either front or back. The Bilstein shocks are nitrogen gas shocks. They were extremely hard to compress with both hands and had terrific rebound. Now when you hit little bumps in the road the wheels don't jump or shake. It is extremely smooth on the highway. Drives like a new vehicle should. By the way my truck only has 7,500 miles on it. By the way new factory shocks would be of little value because they do the same thing as what you are taking off. I hope this helps you, it certainly helped me. Wesleym
#133 of 136 2004 F150 engine vibration by gseterry Aug 20, 2009 (3:27 am)
Replying to: elad (Dec 09, 2006 9:57 am) Heads up: Please focus on certain areas when these types of quirks develop. 550 rpms - shake (not miss), 1100 rpms - shake, 2200 rpms - shake. Notice the rpms DOUBLE each time? Dead give away ! I can just about promise it is there at 4400 too. This is an imbalance issue. Thrown Torque Convertor weight? I've built racing and industrial, gas and diesel engines for 40 years. I have a 85% all Light duty Ford Truck Fleet - nation wide Now how to get the factory on board with recognizing this and fixing it? Good Luck........ Terry
#134 of 136 Engine backfiring/rough idle/vibrating by rgriego Sep 18, 2009 (6:15 pm)
Hi, is there anyone out there who can direct me to a good web site that can help me figure out why my 1978 f-150 400 4wd vibrates, backfires and holdsback. Just put new plugs, wires, distributor shaft, cap and rotor, and carb. Any suggestions. Has fairly new motor, with only 30,000 miles. When I reach about 30 miles an hour it begins to backfire, vibrate and hold back. Could it be timing is bad though it was just set about a year ago. Vaccum, carb? HELP!
#135 of 136 Re: 2006 F-150 Vibration worse when towing [tdmadmac] by sammor Oct 03, 2009 (5:03 am)
Replying to: tdmadmac (Aug 06, 2008 9:04 pm) do you have any more info on what is causing the vibration, I have a 2007 E150 in my shop with the same problem, vibration at 1800 rpm, I removed the torque converter and reinstalled the transmission and started the engine, vibration still there so it's definitely engine related. I replaced the harmonic balancer, no change. Any info would be appreciated, I think it's internal. Replies to this message: vertman (Nov 06, 2009 7:23 am)
#136 of 136 Re: 2006 F-150 Vibration worse when towing [sammor] by vertman Nov 06, 2009 (7:23 am)
Replying to: sammor (Oct 03, 2009 5:03 am) I have the exact same vibration in my 03 navigator. Anybody solved this issue yet?

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