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Well was one big step for EF_GuY yesterday. First time i've pulled apart the rocker gear on falcons.
I decided on this easter break to findout myself whats causing the slight tap tap tap in my engine. I'm now 90% sure what the problem is and getting parts on tuesday.
I found out that the EF rocker assembly uses thrust washers between the rocker pedestals to space them out as well as wave washers.
Whats weird is teh EA-EB1's and EL's use the rocker assembly without the trust washer.Seems the pedestals are made abit bigger 1-2mm to make up the difference.
What i found out on mine is the trust washers have worn the grove in pedestal to the point that the washer has movement thus making the rocker move slightly as well.
So mechanically the car runs A1 but becuase these trust washers are loose they make a taping metalic noise.
I think thats the reason why on the EL's they went back to the trustless washer assy as it's a much more robust design.
Perhaps the trust washer design was put in the EF because they run a more aggressive cam than the EL's. I've always noted that EF's have a slightly rougher idle than EL's.
Anyways i'm probably boring everyone here but just thought i'd like to share my experience.
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Motor May 2001 Quote: "Believe it or not, there are actually a bunch of weirdos out there who reckon a six cylinder is the dux gutz. Bugger it: I'm one of them" :s5
AUII Late Ed XR6 HP T5 Venom- Full Tickford Body Kit, 17in Wheels, Herrod Bi-plane Spoiler, Momo Steer/Gear, T-Series Interior Options, Premium Stereo and a very light-tuned 4.0L I6
(FPV-Tickford Club of NSW Member and Co-Founding Member of 3FB Inc, Ford Forums Food Bandits)
Corrrrrr. Sounds like you have had more experience with Ford I6 Rockers, Valves, shims, Lifters, etc, etc, in the past month, than an average mechanic would have in an entire life time !!!!
Good to hear that you found the problem !
Even better to hear that you found it out yourself !!!
Well got the parts today which thankfully costed like $37.00.
Trust washers check
Wave washers check
1 end Pedestel check
Torque Wrench check
No 10 socket check
Now for the assembly tomorrow. :oo1: :oo1:
__________________
Motor May 2001 Quote: "Believe it or not, there are actually a bunch of weirdos out there who reckon a six cylinder is the dux gutz. Bugger it: I'm one of them" :s5
AUII Late Ed XR6 HP T5 Venom- Full Tickford Body Kit, 17in Wheels, Herrod Bi-plane Spoiler, Momo Steer/Gear, T-Series Interior Options, Premium Stereo and a very light-tuned 4.0L I6
(FPV-Tickford Club of NSW Member and Co-Founding Member of 3FB Inc, Ford Forums Food Bandits)
Originally posted by EF_Falcon_GuY Well got the parts today which thankfully costed like $37.00.
Trust washers check
Wave washers check
1 end Pedestel check
Torque Wrench check
No 10 socket check
Now for the assembly tomorrow. :oo1: :oo1:
Good luck with it buddy!
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1993 ED XR6 M5 (1 of 329)
Polynesian Green
Turbo on the way!!
1993 EBII Fairmont (Now wrecking, PM if you want any parts)
1988 Nissan R31 Skyline
Hope your diagnosis of the problem turns out to be correct although I have my doubts that a worn thrust washer or pedestal would cause a noise as you describe. Have you checked the valve clearance between the rocker arm roller and the camshaft lobe?
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Rocker Arm Assembly (Discussion)
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