The coyotes overhead cam variable cam timing vct system is the most advanced in ford history. The coyotes induction system.
Tsb 18 2354 Didn T Fix My 2018 Ford F 150 V8 And Ford Bought
5 0 coyote cam phaser issues. Comp cam phaser locks and limiters unlock camshaft. 1mm of added lift vs. Its at the opposite end of the cam on the coyote. The lockouts are one piece anodized billet aluminum and designed to fit within the stock phaser. This short video shows why and what mmr has done to eliminate the problem. Tivct was intended to lower emissions and gain in fuel economy while allowing the use of large camshafts for power production.
We will discuss the issues and as well as the solutions. Fords 50 coyote oval camshaft gears. 50 coyoteboss cam phaser lockouts these cam phaser lockouts are designed to allow the use of aftermarket springs and camshafts while still retaining the stock phaser. Oil leakage from the head gasket. The gen 3 coyote uses gen 2 intake phasers primary chains secondary. Stock 50 pushrod cams have similar duration on a wide 115 lsa and have 20 degrees of overlap.
Some of the common 50 coyote engine problems are. Revisions of the phaser can make it more robust ie operate with less oil greater range of adjustment etc but if the problem exists elsewhere it will fail again. These lockouts are designed to completely lock the phaser and prevent any cam. It advances cam timing as required by the pcm. Ive seen over 10 trucks with cam phaser replacements develop the problem again shortly after the fix. 50 coyote engine problems and solutions this section will enlighten you on what to look out for in case of engine related problems in your ford f150.
Oil pressure which is applied to the cam phasers by electronic solenoids at each phaser advances cam timing by turning the cam on its axis. This indicates the problem is not with the component itself but elsewhere. The gen 2 coyote and 2mm over gen 1 gen 3 camshafts must be used with the gen 3 chain drive and phasers the exhaust camshaft 1 journal is also larger to accommodate seals which prevent oil leakage from the phaser during operation chain drive. The thing that makes the coyotes phaser function different than the 3v modulars is the cam position sensor location. By comparison the coyote idles at 51 degrees overlap. If the cam phasers fail theyre easily replaced by removing the cam cover aligning timing marks and replacing the phasers.
Conversely i could tune a 236236 coyote camshaft to not lope at idle. Mmr 2015 2017 50 coyote mustang f150 phaser deletescamshaft adjusters these bolt on tivct phaser deletes save 274 grams on each exhaust cam and 330 grams on each intake cam thats 1208 grams or 26 lbs of rotational weight plus allowing full adjustability of the camshafts.
Gallery of 5 0 Coyote Cam Phaser Issues
