17 3.5 Ecoboost Rattle.
04-04-2018, 04:22 PM
#221
Junior Member
Originally Posted by RockyMountain
I am 100% sure the rattle I have that is identical to the OP is coming from the engine. When I was blipping the throttle with the Ford tech under the hood, he disconnected my VCT's on the passenger side and the rattle instantly disappeared. It is without a doubt the engine and related to cam timing. I do also have a tranny rattle on startup though haha. That noise is likely the pump that keeps line pressure during auto start/stop.
On separate news, I really don't know if replacing the VCT's, timing chains, and cam phasers will fix the problem or if it relates to other issues such as undersized or clogged oil passages that the VCT's are supposed to feed pressurized oil to the cam phasers. This could all originate from a bad batch of engine blocks/heads.
On separate news, I really don't know if replacing the VCT's, timing chains, and cam phasers will fix the problem or if it relates to other issues such as undersized or clogged oil passages that the VCT's are supposed to feed pressurized oil to the cam phasers. This could all originate from a bad batch of engine blocks/heads.
04-04-2018, 04:28 PM
#222
Have you listened for the knock I mentioned above? Disconnecting the solenoid made my issue go away as well. VCT actuators(phasers) solved it 100%. One of the popular tuners recently mentioned to me that they are now hearing about these bad passenger side actuators on a regular basis for the 17 3.5.
04-04-2018, 11:52 PM
#223
Quick update. The dealer is back in contact with Ford engineers about the rattle. It would seem they recognize an issue but don't know the cause or fix. Probably won't hear anything until next week.
On a separate note, do you guys know what terms Ford usually offers on a buy back? It is looking like that may be a viable option, but it would all depend on their terms. Do they usually off full paid price plus taxes? I also leveled my truck with rear blocks and Bilstein shocks and struts, tinted windows... Any chance they will give a credit for that stuff? Mileage deduction? Thanks!
On a separate note, do you guys know what terms Ford usually offers on a buy back? It is looking like that may be a viable option, but it would all depend on their terms. Do they usually off full paid price plus taxes? I also leveled my truck with rear blocks and Bilstein shocks and struts, tinted windows... Any chance they will give a credit for that stuff? Mileage deduction? Thanks!
04-05-2018, 12:41 AM
#224
Quick update. The dealer is back in contact with Ford engineers about the rattle. It would seem they recognize an issue but don't know the cause or fix. Probably won't hear anything until next week.
On a separate note, do you guys know what terms Ford usually offers on a buy back? It is looking like that may be a viable option, but it would all depend on their terms. Do they usually off full paid price plus taxes? I also leveled my truck with rear blocks and Bilstein shocks and struts, tinted windows... Any chance they will give a credit for that stuff? Mileage deduction? Thanks!
On a separate note, do you guys know what terms Ford usually offers on a buy back? It is looking like that may be a viable option, but it would all depend on their terms. Do they usually off full paid price plus taxes? I also leveled my truck with rear blocks and Bilstein shocks and struts, tinted windows... Any chance they will give a credit for that stuff? Mileage deduction? Thanks!
question is do you get another F150 but a 5.0 this time? Heard they also give you a good discount on a new Ford too.
04-05-2018, 01:35 AM
#226
My 2017 3.5L Eco Boost is pretty rattle free,now the rattling clicking noise in the dash[annoying]is another story!!!
04-05-2018, 05:20 AM
#227
Junior Member
Originally Posted by BaldMonkey22
they will pay you what is owed all tax and license, all payments including your down. Gotta pull aftermarket stuff off but my buddy was able to get them to credit the cost of the window tint and clear bra.
question is do you get another F150 but a 5.0 this time? Heard they also give you a good discount on a new Ford too.
question is do you get another F150 but a 5.0 this time? Heard they also give you a good discount on a new Ford too.
04-05-2018, 08:47 AM
#228
I wouldn't bother with a 5.0 they rattle too, and have the same transmission issues as the eco boost. I picked up my f250 last week and couldn't be happier. I can honestly say there is not a thing wrong with it. I realize not everyone wants to drive an f250 but I would recommend it to anyone as a consideration. No electric steering, no auto start/stop, plain old smooth shifting 6 speed, more power than is ever needed and still get 18-19 mpg (that is with the 6.7l diesel).
04-05-2018, 09:08 AM
#229
Senior Member
04-05-2018, 09:22 AM
#230
You guys are confusing the different rattles the F150 3.5 Eco has.
1- 10 speed rattle at startup
2- Wastegate actuator ratlle that mostly happens at startup
3- Rattle that happens when letting of throtte and normally cold engine, comes from phasers and/or VCT... This is the one we are trying to discuss here and apparently ford cant fix!
1- 10 speed rattle at startup
2- Wastegate actuator ratlle that mostly happens at startup
3- Rattle that happens when letting of throtte and normally cold engine, comes from phasers and/or VCT... This is the one we are trying to discuss here and apparently ford cant fix!
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