I have a 2005 Ford Explorer with a 4.0 SOHC while the engine is running the left side timing chain rattles. I replaced the timing chain and guides and tensioner, the engine has good oil pressure but the noise is still there.
View 2 RepliesI have an 05 5.4 f250 that had a stuck injector. I changed plugs before I realized it was injector. After that the truck had a terrible rattling noise. I ended up changing timing tensioners and guides (guide was broken). Started it up and have the same noise, like timing chain is loose.
What I think happened is gas got into oil when injector was stuck. I had key on to pull codes. Then it lost oil pressure?
Could this cause can phases to go bad? Also can I just install lockouts or do I need to replace phasers as well?
Not sure if there's anything else I should check
I've noticed a noise coming from the engine which sounds to me like the timing chain. Seems like the tensioner is keeping the chain a little loose while the RPM's are low. The rattle doesn't happen all the time; only when I let off the throttle or accelerate keeping the RPM's low.
This is just my guess that it's the timing chain. I had heard a similar rattle in my old I35 and I had to change the timing chain tensioner.
I'm going to check the engine oil level tomorrow morning. This 10,000 mile oil change is really starting to seem like a not so good idea! Right now I'm at 9950..
It is timing chains that are prematurely stretching causing this startup noise. The news is that there is updated parts out there to address this and Ford now has a TSB on this issue formally admitting to it being a common problem. I go over it all in this video. There is also a link to just how it sounds in the description of the video on youtube.
Ford F150 3.5L Ecoboost Rattle Upon Start Up- Timing Chain Stretch Issues - YouTube...
Replacing the timing chains and tensioners on an SOHC Explorer, only to have the tensioners fail again after only a few thousand miles? I'm a pretty experienced back yard mechanic and have rebuilt several engines over the years with great results, but this one has me stumped. The only part of the instructions I did not do was to remove the valve springs, but everything was lined up as it should have been using the special tools required to set the timing. I really like the truck, but don't know if it's worth fixing if this is just going to happen again.
View 3 RepliesMy neighbor have a neglected 1995 Dodge Ram with the 3.9L V6. This engine is called a "Magnum" but I have to say it is pretty gutless overall. Anyway, it has the famous clatter caused by the timing chain tapping against the timing cover. Every one of these from this time period sounds like this and I understand it is a common problem. Is this a critical problem or not? I understand it can be fixed by replacing it with a newer style timing set with a tensioner. If this won't cause damage, I say leave it alone as the noise is just a minor annoyance. I was just in as far as the water pump and was tempted to tackle it but figured it could wait.
View 10 RepliesThere was a time Ford when used a nylon toothed timing chain gear on the camshaft. Over time this got brittle and started to break into pieces. The rule of thumb at our household was to change these at about 100k miles.
I think that was a "302" thing and all "5.0" engines have all metal gears? I have no reason to open up our '99 Explorer's 5.0 with 180,000 miles. But, I will change the timing chain if it should be done.
Experiencing a really bad rattle after changing the oil? It sounds like the chain tensioners are losing pressure during the oil change.
View 11 RepliesMy 2003' Explorer XLT (4.0L V6) has an oil leak. I tracked it down to the passenger side, rear, bolt head on the valve cover (back by firewall). I took it to a guy who replaced the valve cover gaskets, but it is still leaking. He claimed when he had the cover off he looked for any cracks on it, but did not see any at the time.
Anyways, I was searching around and found several explorers leaking in or around the same area of the valve cover. And it turned out that there issue stemmed from bad timing chain guides, causing the valve cover to crack.
I do notice that on a cold start, I hear a rattling when I first start it up. It rattles for maybe that first 1-2 seconds when starting. Is this my timing chain rattling around? If that is the case, how much this could set a guy back on repairs?
I guess I don't know whether to just replace the valve cover, or if I should dig into it to see if the real issue is the timing chain guides/tensioner. Mileage is approximately 121,000....
I have a 2003 Eddie Bauer explorer with the 4.0L SOHC . I have a coolant leak from the passenger side that is not a water pump issue.
When removing the timing chain cover with the engine in the car, do I need to remove any accessories ( power steering , alternator etc. ) or their brackets?
I have a 2011 santa fe limited with the 3.5 and 35k miles that has a noisy timing chain rattle upon start up after sitting for a few hours,it's my understanding that the cause is no oil pressure to the tensioner because the oil drains back into the oil pan after sitting for a while. Is there a solution for this situation like a spring loaded tensioner-it seems to me that replacing the tensioner and chain does not solve the problem.
View 32 RepliesI have a serious suspicion that I have a timing chain rattle. Using a pipe I located the sound to the front of the engine. It ticks much faster than the injectors like more than ten times faster. There are a few different parts involved with the timing chain tension. I have 150k miles on this car.... MB 1995 c220 ....
View 2 RepliesYesterday i went to mechanic and changed Timing chain tensioners, with chains and all guides. But still have 2 second voice on startup, once oil pressure lights off everything fine. I paid heavy price on parts and labour but very disappointed after hear same noise again today morning which i was listening from one year purchase of this car... Sonata 3.3l v6 ....
View 4 RepliesJust got 2005 screw fx4. Seemed to run ok 115000 mi.Had exhaust leak,I put on 3" cat back on. Then I noticed tapping at front of the engine.Turns out tim. chain guides are broken. looks like very common prob after reading many forum/threads. Anyway got timing chain kit, phasers, selinoids. Truck runs and sounds great.But so far had truck back 2weeks stalled 2x at idle.What next??
View 14 RepliesI have 05 F250 SD with 150k on it. The engine has the typical cam phaser knock, timing chain slap on start up and occasionally have a noisy lifter. As long as I use fresh 20-40 oil the engine symptoms are less and the engine runs strong. The motor also doesn't leak or burn oil and the plugs were change out about 20k ago.
The truck is still good and is prefect for my needs so to me it's seems worth fixing the needed repairs. What I would like to figure out how far should I take the motor... just have the chains, guides and phasers replaced or buy a rebuilt motor and swap it? I'm thinking just doing the phases and etc would be 1/2 the cost but may not last as long as rebuilt motor. But realistically I might only put 5-7k miles are year on it anyways.
I posted my passat to sell/part out last week. So I talked to the mechanic today and he hasn't looked in the engine. He just says that when the timing chain goes it wrecks the valves and pistons (needs rebuild). HE WAS TRYING TO SAVE ME MONEY THOUGH...FAMILY FRIEND. My sister got lucky on her passat and only messed up the valves. But she was sitting still....I was doing 80mph on 95 going to work. Should I have the engine looked at or sell it.....what are the odds I got lucky??? I found a lot of posts/blogs about how everyones engine blew, but no one said they got lucky.
View 9 RepliesI was thinking about checking out the above vehicle at my local dealer (Chevrolet). They're asking 15.9k and it has 57k miles. I need to know if it has a timing belt or a timing chain and how reliable is the engine/transmission.
View 1 RepliesI have a quick question, when a timing chain breaks on a gli does it cause damage to the engine(like mess up the piston and valves) need to know ASAP.
View 1 Repliesis it possible for a loose timing chain to cause a engine miss.
View 1 RepliesMy 2003 Sante Fe has developed a rattling sound in the engine. The oil level has been good. I took it to a dealer for diagnoses and they told me that the engine was gunked up and the timing "chain" tensioner couldn't move to keep it tight and it was rattling. They put some engine cleaner in and changed the oil and wanted me back in 500 to clean it again. I did that again, but the rattle is still there. It gets a little quieter after I have driven it for a while.
My question is doesn't the Sante Fe have a timing belt? If that is the case what do you think the rattle is?
I changed the timing chain, phasers, tensioners, guides, and cam sensors and solenoids about 30k miles ago. Truck now has 170k miles. This past weekend engine started running so rough, it had the whole front end shaking. Threw 8 codes..1 bank..lean, bank 2 rich, timing retarded, cylinder G and F misfire, and more codes. It seems to have jumped timing pretty bad.
View 1 Replies