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TX, USA
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I just got through changing the timing belt on my ranger and it sounds like it wants to eat itself when you rev the engine. It idles perfectly, but when you give it the gas it sounds like it is pinging or contacting valves to piston...I think that is unlikely considering that it didn't quit running. I need to here what you think.
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TX, USA
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Posted: 6/15/2002 5:57:35 PM EST
Oh come on now, somebody out there has got to be a Ford tech.
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Posted: 6/15/2002 6:04:15 PM EST
i am not a mechanic, but did you check the timing, with a timing light.
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Posted: 6/15/2002 6:04:44 PM EST
I'd suggest you check your work. Not familiar with the not mentioned engine, but the distributor/pickup for timing the spark is often run off the end of the cam. If you have your cam timing off a tooth or two advanced the engine might run ok at idle but detonate at open throttle positions
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AZ, USA
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Posted: 6/15/2002 6:09:29 PM EST
What engine do you have? 2.0/2.3? If so, this is not an "interferance engine, meaning if you strip the belt the valves will contact the piston. However it is possible if the RPM is really high. If the valves contacted the piston it would not have any compression, and would not have restarted. I think you missed the timing marks on the jack shaft, and now your timing is too far advanced giving you spark knock. Check your belt setup again.
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TX, USA
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Posted: 6/15/2002 6:16:23 PM EST
I've got the 2.3, it's a '97 2WD with the A.C. So, contrary to what I've heard it's not an interferance motor...that's refreshing to hear. Sorry for the lack of details before.
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AZ, USA
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Posted: 6/15/2002 6:21:48 PM EST
recheck the tension on the belt, if a timing belt is too tight it will make the noise you are describing.
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CA, USA
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Posted: 6/15/2002 7:45:43 PM EST
did you put the distributer 180 degrees out when you put it back in? I would agree, recheck your timing and make sure your timing gears were installed correctly.
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USA
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Posted: 6/15/2002 8:26:07 PM EST
You are probably a tooth or two off. It sucks, to have to do it, but I recommend you double check your work.
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WI, USA
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Posted: 6/15/2002 8:46:21 PM EST
Ford Senior Master Technician here! First off, if the timing belt were off a tooth or two, the engine will run but be a REAL pooch, slow to rev and lacking power. A 2.3L in a 97 Ranger is a DIS system, so there is NO distributor to contend with. My guess is that the belt tension is too loose or, there is something making contact with the timing belt. There is a crankshaft position sensor behind the lower pulley that may be contacting the trigger window or the belt may be contacting the timing belt cover itself. Remember, this is a free spinning engine, there is no possible way for the valves to contact the pistons, if the T-Belt breaks at 6000 RPM, there will be NO piston to valve interference.
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Posted: 6/15/2002 9:18:00 PM EST
[Last Edit: 6/15/2002 9:19:29 PM EST by oneshot1kill]
Best advice is to carefully re-check the timing marks again. I haven't done one recently, but I recall the timing marks on the 2.3 Ford motor to be on the outside of the timing cover for the crank(timing mark on crank pulley at '0'deg, aligned with ponter on outer cover) and the cam sprocket timing mark is roughly at five o'clock aligned with mark under removable plug. This motor may also have a large washer that retains the belt on the crank sprocket, sometimes the cover or washer gets bent and touches. Good luck and let us know what you find.
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USA
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Posted: 6/15/2002 9:32:55 PM EST
Originally Posted By NHRAMark:
Ford Senior Master Technician here! |
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NC, USA
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Posted: 6/16/2002 7:11:24 AM EST
Whats up mark, im a ford tech too,
Imbroglio, if yours is a 98-00 3liter, there is a New processor wiht a different calibration and a new coilpack that works well in fixing spark knock. Post your vin and i will see if its applicable.
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