valve train 4.2 tapping sound - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
Ford F-100 | Ford F-150 | Ford F-250 | Ford F-350 | Ford Super Duty | Ford Diesel Forum for discussion of the Ford F100, F150, F250, F350, Superduty and Diesel trucks.

 
LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 02-16-09, 07:19 PM Thread Starter
Registered User
 
Join Date: Feb 2009
Posts: 3
confused valve train 4.2 tapping sound

i have a 97 f150 4.2 engine has a tapping sound thought it was lower end polished crank and replaced main and rod bearings drove to local mechanic says its in valve train took intake off lifters and push rods look good did not remove cam yet but looking at roller bearing theres no obvious wear rocker arm look ok dont know what else to do trying to keep cost down
flybyone is offline  
Sponsored Links
Advertisement
 
post #2 of 4 (permalink) Old 02-24-09, 03:14 PM
Registered User
 
bkmurray98's Avatar
 
Join Date: May 2007
Posts: 55
Re: valve train 4.2 tapping sound

did you try adjusting them & how is your oil pressure?
bkmurray98 is offline  
post #3 of 4 (permalink) Old 03-02-09, 01:15 PM Thread Starter
Registered User
 
Join Date: Feb 2009
Posts: 3
frown Re: valve train 4.2 tapping sound

thanks for that i went and pulled the engine turns out to be that i have couple of cracked pistons
flybyone is offline  
post #4 of 4 (permalink) Old 03-02-09, 07:59 PM
97 F-150 XL 4x4
 
351w's Avatar
 
Join Date: Jun 2003
Location: PA
Age: 43
Posts: 799
Re: valve train 4.2 tapping sound

yea ok!
you cant polish a crank and replace rod and main bearings without a teardown so you should have checked pistons and rockers etc at that time.

i would rather push my Ford than drive your Chevy !
351w is offline  
Sponsored Links
Advertisement
 
Reply

  Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars > Ford Trucks | Utes | Vans |SUVs | Crossovers > Ford F-100 | Ford F-150 | Ford F-250 | Ford F-350 | Ford Super Duty | Ford Diesel
Gear in this thread - Powered by O'Reilly Auto Parts


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome