Question about Ford F-150

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I have a ford f-150 and the timing chain guide was bad I replaced the guide and the tensioner and now the truck wont start I didnt turn the engine or cam while the chain was off could it be the crank angle sensor

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  • kwillys69 Jul 26, 2009

    on this truck the all i replaced was the tensioner and the guide on the right bank and now the right bank is firing and the left bank is not

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It is possible but I would check the timing again it's easy for the gear to move, had a toyota in the other day and he did his own belt change and it was perfect except he was two teeth off on the left cam and it had no power. put it on #1 TDC compression stroke and look at the marker on the crank and put some compressed air in lightly then see if you hear air in the exhaust or intake if you do then it's tear down time if not then check the sensor but really don't think thats what you did. Did you forget to hook up a wire someplace? I have done that upon occasion when inturpted by the phone or coustmer.

Posted on Jul 25, 2009

  • Bruce Hathcock Jul 26, 2009

    start from square one if it's not a close tolarance engine you have not hurt anything pull covers offf reset it to top dead center #1 time cam on both sides crank at TDC 0 and do it again, it's how you learn.

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Replacing the timing chain on our own is screwing the engine to the maximum extent. It need proper calibration to fix it. I advice you to TOE it to the professionals to get it done.

Never try to start the engine at this situation.

Posted on Jul 25, 2009

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3 Answers

I replaced a timing chain and one side is seems to be loose how can I fix it?


Easiest first, double check you have the right timing chain. Are there guides or followers that may be worn, or out of adjustment.

May 23, 2015 | 2006 Ford F-150

1 Answer

After overhauling and changing chain, chain guards and tensioner on Ford rocam 1.3 2006 model, I hear the rattling sound at the front cover when engine reaches 3000rpm


Did you replace everything on the timing, All components? or just the guides and chain? If you didn't replace everything, go back in and replace the pulleys and guide tensioner. Live and learn ....

Apr 26, 2015 | Ford Cars & Trucks

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How to set timing for 2008 expedition


I'm 99% sure that you can't set the timing, as it is controlled electronically. Even if you could somehow change the timing the PCM (computer/power control module) would reset it. Most engine have "variable speed timing" - all electronically controlled and it varies depending on the speed, acceleration, and load. As for the timing chain tension, the timing chain(s) and tensioner(s) are now typically controlled by hydraulic pressure (engine oil pressure) by a devise called a "hydraulic timing chain tensioner", also no way to adjust the tension. If there really is a need to change/adjust timing chain tension (you hear a rattle, knock, maybe a scrapping sound) it is done by replacing the fore mentioned tensioner and/or timing chain guides. Most techs, rightfully so, will replace all timing chains, tensioners and guides as one complete procedure. Changing all parts at once is normally appropriate because of labor time and cost is the same or pretty close to the same as changing just one of the parts, whether its a tensioner or the guides that is the immediate problem. It pretty risky to go to all the work and not change all the parts including the chains (some engines the chains can be reused, but only by a very experienced tech that knows a particular engine very well, but that an exception rather than the rule.) If there is a problem I'd recommended having a very experienced tech/shop do the work. Get a couple of estimates at least and believe it or not a Ford dealership with a reasonable hourly rate might be your best bet and even the cheapest or close to it. The Ford dealer will use Ford parts and the techs know their own vehicles. I have work for all major automotive manufacturers and dozens of Ford dealerships in Ohio, Michigan, a few in PA, WV, as a independent inspector. Ford dealerships are typical very fair to have work on your Ford vehicles. Small town "country" dealerships have a lower hourly rate, sometimes much lower, even lower than the "after-market" shops. (Get to know a shop and stick with them is how most people get and feel most comfortable that you're getting a good deal.)
Sorry I'm not going to proof read this I hope this helps. Nick

P.s. If you have a rattle from the timing components, get it repaired right away! If the chain "comes apart" it will most likely do very serious engine damage. (bend valves, damage pistons, even "throw a rod" (piston rod) and put a hole in the engine block. Other than not having oil/good oil in your engine this type of failure is the next biggest cause of complete engine failure (thousands of dollars)

Jul 07, 2014 | 2008 Ford F-150

2 Answers

Is it possible that the error codes I am getting are caused because I messed up the timing when the camshaft moved during timing chain installation?


cam shaft moving... i wouldn't think the shaft moving would do it, nothing was running, but your timing is more then likely off if you didnt time it to factory settings if you have ..then
the codes bank 1 and 2 could be pointing to your O2 sensors EGR is very much aprt of the O2's and it's function.

May 14, 2014 | Ford F-150 Cars & Trucks

2 Answers

2001 Ford F-150 4.6 liter romeo. Could the error codes I am geting be caused by incorrect timing?


It sure sounds like you are off one tooth on the timing chain. The fact you are getting different codes for each bank points that direction too. You should be able to check all your marks again. That's where I'd start.

May 14, 2014 | 2005 Ford F-150 SuperCab

1 Answer

Timing chain replacement


Timing Chain and Gears REMOVAL & INSTALLATION 1.9L Engine NOTE: The following procedure requires the use of the puller tool No. J-25031 or equivalent, and timing sprocket installation tool No. J-26587 or equivalent.
  1. Remove the timing (front) cover from the engine.
  2. Lock the shoe on the automatic adjuster in fully retracted position by depressing the adjuster lock lever. NOTE: To remove the timing chain, it may be necessary to remove the camshaft sprocket. Before removing the timing chain, be sure to align the timing marks.
  3. Remove timing chain from crankshaft sprocket.
  4. Check the timing sprockets for wear or damage. If crankshaft sprocket must be replaced, remove the sprocket and the pinion gear from crankshaft using the puller tool No. J-25031 or equivalent.
  5. Check timing chain for wear or damage; replace as necessary. Measure distance "L'' (40 links) with the chain stretched with a pull of approximately 22 lbs. (98N). Standard "L'' value is 15 in. (381mm); replace chain if "L'' is greater than 15.16 in. (385mm).
  6. Remove the automatic chain adjuster-to-engine bolt and the adjuster.
  7. To check the operation of the automatic chain adjuster, push the shoe inwards, if it becomes locked, the adjuster is working properly. The adjuster assembly must be replaced if rack teeth are found to be worn excessively.
  8. To remove the chain tensioner, remove the "E'' clip and the tensioner. Check the tensioner for wear or damage; if necessary, replace it. Fig. 1: Timing chain guide and tensioner - 1.9L engine 85383285.gif

  9. Inspect the tensioner pin for wear or damage. If replacement is necessary, remove the pin from the cylinder block using a pair of locking pliers. Lubricate the NEW pin tensioner with clean engine oil. Start the pin into block, then place the tensioner over the appropriate pin. Position the E-clip onto the pin, then (using a hammer) tap it into the block until clip just clears tensioner. Check the tensioner and adjuster for freedom of rotation on the pins.
  10. Inspect the guide for wear or damage and plugged lower oil jet. If replacement or cleaning is necessary, remove the guide bolts, the guide and the oil jet. Install a new guide and upper attaching bolt. Install the lower oil jet and bolt, so that the oil port is pointed toward crankshaft. To install: Fig. 2: Timing chain alignment and installation - 1.9L engine 85383286.gif
    Fig. 3: Inspecting the timing chain for wear 85383287.gif

  11. Install the timing sprocket and the pinion gear (groove-side toward the front cover). Align the key groove with crankshaft key, then drive it into position using installation tool No. J-26587 or equivalent.
  12. Turn the crankshaft so that key is turned toward the cylinder head-side (No. 1 and No. 4 pistons at TDC).
  13. Install the timing chain, align the timing chain mark plate with the mark on the crankshaft timing sprocket. The side of the chain with the mark plate is on the front-side and the side of chain with the most links between mark plates is on the chain guide-side. Keep the timing chain engaged with the camshaft timing sprocket until the camshaft timing sprocket is installed on the camshaft.
  14. Install the camshaft timing sprocket so that it's marked-side faces forward and it's triangular mark aligns with the chain mark plate.
  15. Install the automatic chain adjuster.
  16. Release the lock by depressing the shoe on adjuster by hand, and check to make certain the chain is properly tensioned when the lock is released.
  17. Install the timing cover assembly.
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Dec 12, 2010 | 1993 GMC Sonoma Club

2 Answers

Adjust timing on 2001 ford f150 4.6L


try replacing the timing chain tensioner again, weve gotten some bad ones already

Sep 01, 2009 | 2001 Ford F150 Styleside SuperCrew

1 Answer

1989 ford f150 w/ 5.0 liter..... engine light on


I would check the oil pressure of the engine. The reason is the timing chain tensioners are run with oil pressrue. I think your timing chain tensioners are leaking down when engine is getting to operating tempature . The oil is thinning down as warms up , as it should to lubercate . I would check compression and do a cylinder leak down test on all the cylinders. Then if the compression is good and the cylinder leak down is good. I would change all the timing components, ( chain, timing gears, timing chain tensioners )

Good Luck , I hope this helps.

Apr 18, 2009 | 1989 Ford F 150

1 Answer

1995 GMC safari V6 When does the timing belt need replacing


sorry i didnt see the TIMING belt in the title -
GMC recommends replacing Timing belt at 71,000 miles....
however your particular vehicle may have a timing CHAIN.

The 4.3L engine is the only engine covered by this guide which uses a timing chain and gear (sprocket) assembly to turn the camshaft. The 2.5L engine uses a direct gear drive (without a chain).

Only replace the chain if after inspecting it - it is worn or damaged!
You don't adjust timing chain-you replace it or the tensioner

Thanks for using FixYa - a FixYa rating is appreciated for taking the time to answer your FREE question.

Mar 19, 2009 | 1995 GMC Safari

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