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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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#121 of 136 by fishtalk Jan 19, 2009 (1:51 pm)
Just had the same problem with mine. They are now replacing the entire engine. They said the cause was the two cam phasers and there was also a bent rod. Replies to this message: sabre1 (Jan 19, 2009 7:51 pm)
#122 of 136 Re: [fishtalk] by sabre1 Jan 19, 2009 (7:51 pm)
Replying to: fishtalk (Jan 19, 2009 1:51 pm) Now the dealership is telling me the timing is off by 180 degrees and that was caused by excessives sluge buildup and that it isn't covered under warranty either I replace the entire engine or they can tear down clean and reassemble it with no warranty .
#123 of 136 Transmission Noise by fsupercrew Mar 04, 2009 (5:35 pm)
I just joined the forum and was wondering if anybody had this problem. I can hear a rattleing noise coming from under the truck going down the road from 35 mph to about 55mph. If I let off the gas the rattle will stop and then it returns when you excellerate again. I then tryed doing the samething while in 4HI and it took about 50 to 75 yrds before it engaged. At the sametime it shiftes into 4HI it (trasfercase) sounds like it just pops into gear hard. Has anybody ever had this problem? Thanks for any help.
#124 of 136 Re: 2006 F-150 Vibration worse when towing [formerfrdlover] by jake319904 Mar 08, 2009 (10:34 am)
Replying to: formerfrdlover (Dec 15, 2008 7:44 am) I have the same problem with my F150 and my mileage is not any where like the window sticker said
#125 of 136 Re: 2004 F150 supercrew vibration [dctalk1] by gray888 Mar 20, 2009 (2:20 pm)
Replying to: dctalk1 (Dec 31, 2008 6:43 am) Just go to the dealer on this one. They keep records of recalls/repairs etc that the manufacturer is doing. Also, you can look up the recalls/repairs for your vehicle through edmunds or other websites.
#126 of 136 by macisaas Mar 21, 2009 (7:30 am)
My issue just turned out to be a missfire on the 4and 8 cylinder changed the plugs and coils and voila.....
#127 of 136 Vibration when starting out by tomw5 Apr 01, 2009 (10:31 am)
I have a 2004 F-140 Lariet 4x4 with about 16,000 miles. When I first start out, I experience a vibration until I get up a little speed. On occassion, I also feel this when starting from a stop sign. Is this normal? Any ideas what could be the cause, and if I need to have it looked at?   Thanks.
#128 of 136 1100RPM and Idle shake solved. (maybe) by sml175 May 26, 2009 (9:17 am)
I was at Miller Ford in NJ and brought my vehicle in for the idle and 1100 /1600 rpm shake. I met with 3 mechanics and the manager who stated that it is due to being tuned lean. I showed them the shake points and how it was a bother but then they asked me to put it in drive and rev it up to 3k and then don to 2k and the points I showed them. Not one bit of shake!!!!! They stated that when it is programmed it is set for idle lean.
#129 of 136 1998 F150 4.2 V6 Coolant Loss by kcall2 Jul 16, 2009 (5:15 pm)
I have a 98 F150 with 83K miles that is loosing or burning coolant. Uses something like one gallon in 1000 - 1500 miles.   There is no external leaking, no white smoke from the tailpipe, no rough idle or shaking during startup or normal driving. The only indication of loss is the coolant level in the reservoir.   The truck has been to two separate shops - one inde the other a Ford dealer - and neither can figure it out. It's in a Ford shop today in fact. Both have tried to pressure test the system with cold and hot engine with no result.   I seem to recall that early 4.2 V6 problems like mine were intake gaskets or head gaskets developing a small crack, allowing leaking when the engine got hot, and a trickle of coolant to burn off.   Anyone have any info on this problem? Since the truck is 11 years old, ya think it is worth the cash it will probably take to fix it, or should I just carry a gallon of anti-freeze and check the level often?   Any answers will be appreciated. Replies to this message: mickeymouse2 (Jul 16, 2009 6:49 pm) kcall2 (Jul 17, 2009 5:52 am)
#130 of 136 Re: 1998 F150 4.2 V6 Coolant Loss [kcall2] by mickeymouse2 Jul 16, 2009 (6:49 pm)
Replying to: kcall2 (Jul 16, 2009 5:15 pm) Coolant can disapear for a variety of reasons. Fellow mechanics sometimes forget to check the dam radiator cap for leaks when pressure testing the system. You could have a leak in the water jacket somewhere ie head gasket ect. Here is an inexpensive solution. Temporarely remove thermostat. Purchase a product called BLUE DEVIL BLOCK SEALANT. Poor this in when engine is completely cold, (very important.). Run engine at least for an hour, you can even drive around with it in there. Put your thermostat back in at some point afterwards. No need to to drain coolant out or the remaining Blue Devil. I have had excelant results with this in the field. The Blue Devil is about $69.00 a bottle but well worth it, it works!! Availible at NAPA and Autozone. Good luck. Replies to this message: kcall2 (Jul 17, 2009 5:52 am)

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