Putting motor back together !
Putting motor back together !
Hey guys, i was wondering if you have any links to sites or pdf's with the torque specs and how to time a 1998 4.6. I pulled the motor apart to replace #3 piston and I have all the parts to start assebly tomarrow except for a manual ! Thanks in advance !
Adam
Adam
The best advice I can offer is to purchase a shop manual. The next best is a link on setting up the timing on a mustang 4.6.
http://www.modulardepot.com/?show=articlesdet&aid=32
JMC
http://www.modulardepot.com/?show=articlesdet&aid=32
JMC
I can tell you a quick and easy way of setting your timing on this engine. Before you set the heads on rotate the crankshaft so the damper keyway is at 12 o'clock. Now do not move the crank again until the heads are on and the chain tensioners are installed. Put the heads on using new gaskets and torque the head bolts to 45 nm starting in the middle of the head and working out from both sides. Using a long breaker bar rotate all the head bolts 90deg using the same pattern. Now rotate them all 90 deg again for the second time. They are done. Install the crank timing gear boss out. Find the copper links on the timing chains ( two per chain ). They may be discolored but they are there. Install the inside timing chain ( drivers side ) over the crank gear with the copper link aligned with the notch in the gear, move the chain up to the cam gear and rotate the cam until the second copper link can be aligned with the cam gear timing mark and place the chain over the gear. Now slide the chain guide over the block pin and install the collapsed chain tensioner for that chain. Now perform the same operation for the opposite head. Double check that the copper links are still lined up with the timing marks on all four gears before releasing the chain tensioners. You can collapse the chain tensioner by inserting in a vise and slowly applying pressure. When they reach the end of their travel you can insert a paperclip into the small retaining hole to keep it open unless you have the newer style that requires a special clip to keep it open. By the way the tensioners are marked left and right. Left being driverside.The reason you keep the crank at 12:00 throughout this operaton is so you don't bend any valves while you are rotating the cams to align the chain timing marks. If this is done right once the tensioners are extended you can rotate the crank where ever you want without the chains slipping and bending the valves. You must have the copper links or if you cannot identify the copper links an even number of links on each side of your timing marks to be in time If you are off just one link you will be out of time. I have timed hundreds of 4.6 and 5.4 engines using this method. Good luck
Last edited by DYNOTECH; Dec 16, 2006 at 07:05 PM.
Originally Posted by adam90xj
Hey guys, i was wondering if you have any links to sites or pdf's with the torque specs and how to time a 1998 4.6. I pulled the motor apart to replace #3 piston and I have all the parts to start assebly tomarrow except for a manual ! Thanks in advance !
Adam
Adam
I would imagine that the 97 and 98 engine assembly would be the same.
If you want I can scan the pages and email them.
Doug
Click the tan CV thumbnail in my signature & then look in the Diagrams album. There are several showing torque specs & sequences for engine reassembly about 1/4 down that page.
If you want a CD, e-mail me. I have all of them from '92-02.
This site is a MASSIVE collection of links, and it includes several links to FREE online service manuals. It might take some effort to find them, though, just because he has so many links.
If you want a CD, e-mail me. I have all of them from '92-02.
This site is a MASSIVE collection of links, and it includes several links to FREE online service manuals. It might take some effort to find them, though, just because he has so many links.



