The SOHC 4.0 most definitly DOES have a rear cam chain and the factory manual states engine removal is necessary to service.
If it has a chain on front and on back of the engine, and the guides are worn as well as the tensioner, then it can take upwards of 12 hours to complete the repair.
Yes it can and will take 7+ hours to replace the timing chain. The radiator and radiator fan must be removed to replace it. Depending on which motor you have the A/C pump, alternator, water pump and powersteering pump must all be removed. Not fun and not easy.$500+ iscommon price for timing cahing/tensioner to be replaced.
Now, that's funny. My 1999 Explorer is at the local Ford dealer now where I was just told that BOTH timing chains had to be replaced - the front one and the back one. Oh yeah, the price tag - $2350. (I'm looking a new ride)
Seven hours is 3 hours less that the best estimate I got!I have the same scenario on my '98. $2300 estimate, including valves (assumed damaged, but I have my doubts, I drove about 30 miles after the chain skipped engine did not die until I got back down to idle). I am in the process of pulling the engine myself to get a look at what is wrong. I am believe there are actually 3 total chains (2 upper cam chains and a main, I was told my main is the one that skipped). I am in the middle of this repair (still pulling the engine) and I am having trouble finding the parts (chain and tensioners). I am also told that setting the timing is tricky so I may have to take the engine in to have it done. But the largest part of the bill is removing/installing the engine. Yes, I got a new Econoline to replace the vehicle in the mean time (needed more ROOM anyway) but I want to get this back on the road, so if anyone has any suggestions (besides the dealer) for parts I am all ears!
u dont adjust the timing chain tensioner if there is slop or play in chain, u need to replace the chain . good idea to replace timing gears at same time while engine is pulled apart
recallI really couldn't tell you but I do know that it was a recall and ford should fix it fir free....They did mine
Always replace the timing chain, sprockets and tensioner rails whenever you remove the head.
You cannot adjust the tensioner. It is automatic, and takes out the slack of a stretching/aging cam chain. Once the tensioner has fully extended, the only fix is to replace the chain and the part of the tensioner the chain rides on if it is worn.
A loose timing chain can only be repaired by replacing the timing chain . A loose timing belt means the belt is worn out or the tensioner is worn out. Replace worn parts.
The explorer has a timing chain, not a belt.
No, timing chain doesn't need replacing.
The hanes manual tells you how to do it. I will be doing it this next weekend.
The timing chain tensioner bolt sticks out the back left side of the cylinder head. Take the timing chain cover off on the left side of the motor too see the inside to the chain tensioner.
It has a self tensioner, Most often you have to replace the chain it self if it is skipping time or is getting very loose.
It depends. The explorer has a front timing chain and rear timing chain assembly. While the rear cassette/tensioner rarely fails, it is far more expensive and difficult to fix. If the front tensioner is the problem (which it commonly is), then the repair is quite simple. Either way, a dealership will charge an arm and a leg to repair. I have heard that fixing both can be as much as 2-3 thousand dollars.
timing CHAIN