benny, thanks a ton. one last question and i know it just gets worse. what do i do if one of the injector hold down bolts is stripped?? I'm not sure how bad it is cause i didn't work on it to hard but just wondering what to do in worst case senario. you guys are awesome with the help!!!!

 

IDK never had that problem I torque mine to 26ft/lbs this 28 is the first Iv heard
but cant imagine 2 more lbs causing it to strip
are you using a tourque wrench??

a new head would be the fix
maybe you could tap a slightly bigger bolt for the hold down and drill out the hold down to let the bigger bolt threw IDK


I striped a tranny pan bolt once on my car and got a longer bolt to go in the hole a little further and it held once it got some good threads maybe just go to the 26ft/lbs on that one dont push it. BTW ft/lbs and in/lbs got me on that one I always triple check torque now

 

its been awhile since i pulled injectors but isnt the hold down bolt stay with the hold down I cant remember

 

yeah they stay with the hold down. they are just kind of at a weird angle and it felt like it was starting to strip a little. i stopped for the night and will hit it again tomorrow. hope it isn't but just wondering if this happens much and what could be a solution if it did happen. thanks for the help benny and mark!! this has been great

 

hope its not but if it is and I dont know that it will work but they sell thread repair kits heli coil kit I think its called

I bought a toyota when I was a teen go easy on me guys but I went to change the spark plugs out and one was really tight it already had a thread repair kit installed on that cylinder I didnt know it at the time ended up breaking the sparl plug off in the hole had to drill it out and I think we put a new head on ad then sold it after that. but the kit worked for a spark plug it just needed to be antiseized so the plug would come back out

It definatly not ideal but it worked just something to think about good luck with it

 

i might not have been clear, or maybe you are talking about this but i am thinking that the torque's head is stripped not the threads. just the head of the bolt where u put the socket in. i'm going to get a skinnier torque socket and try that in the am. just to be sure. the one i'm using is kind of fat where the socket extension goes in so it kind of kicks it side ways (the socket) when trying to remove the bolt.

 

Let me try to understand a few things (sorry if it was obvious in previous posts). Also, I am not trying to be judgemental, I just don't know if I fully get the picture.

First - you replaced 8 injectors with new (remanufactured) ones - correct? Where did you get them from (some suppliers are not very reputable)? Did you remove the old copper washers on all of them and use new copper washers?

Sounds like perhaps the hold-downs were not completely cleaned out or maybe not torqued properly. Is that correct?

Then, two injectors passed excessive combustion gas and burnt up the o-rings. Which two were they?

Did you then buy two MORE new injectors and install them or did you just replace the o-rings in the damaged ones and re-use them?

I guess I am trying to figure out if ALL of the injectors have issues or just two. I would think that the excessive heat could cause the o-rings in the oil side to leak on these injectors, but I have not ever heard of these leaks being bad enough to cause the gauge to NOT register low pressure oil pressure. It would be bad enough for a no-start though (IMHO anyway).

Finally, I have always been taught that if one injector is leaking combustion gas back to the fuel filter that you should replace all of the injectors on that side - mainly because injectors do not like to be operated for very long with restricted fuel flow/pressure.

 

Mark, yes i replaced all 8 with new remaned ones. got them from ford. the back two on right side, (5,7 i believe) were the two that backed off. i'm thinking the same thing on not clean in the bolt hole. yes the injectors passed excessive gas up and burned the o-rings. on 5 the o-ring was broke and partially melted, on 7 it was just black and not good. i replaced them with two new ones. the more i think about it i might have missed the copper washer in the hole for the 5 injector and that might be what is causeing the air in the fuel filter housing. i'm going to check in the am. i'm just afraid if the heat from the loose injectors could have caused any damage inside the fuel rail??? the no oil pressure is mind boggling (could it be due to the same copper washer)???? then there is the issue with the hold down bolt head possibly being stripped so the t40 (i believe) is not fitting right in it. when i get it out, i am replacing all o-rings and copper washers and blowing out all hold down bolt holes. and replacing the two hold down clamps that backed off. let me know if that clears it up.

I also checked the oil filter housing and it is filling up at a good rate when being cranked. i'm going to check ipr tomorrow also. i bet there is something in the screen.

i'm getting a ae scan tool hopfully it gets here tuesday. hopefully that can help diagnose some stuff. i am actually really good with this stuff usually but this one just has me stumped. plus the lack of a scan tool.

any suggestions on all this would be awesome!! thanks so much

 

Thanks for the info - yes it is clear now.

What are you using to remove/install the hold downs with?

Highly recommended to use a 3" long T40 torx

Use your AE to check the high pressure oil pressure. I would do that before trying to remove the IPR. If you do have good pressure in the HPO system, then you just have a bad oil pressure switch (sending unit).

First task at hand is to eliminate the combustion gas "back flow". Then you can address other issues - if they remain.

Also coat all the o-rings with something like luberplate before installing them.

 

Im with you now I thought that the threads was stripped thats great news If you have to replace the hold down so you have a good bolt head then so be it

they make a long skinny torx bit to fit in there sears might be your best bet

 

Mark, i will pick one of those up tomorrow. i'm just using a shorter one. i haven't had a problem till now. i've done lots and lots of injectors. but i suppose it was bound to happen. have you ever run into a stripped one?? any suggestions on what to do if it is??

Benny, that's what i was thinking too. i was planning on replacing it anyhow just need to get it out now.

Thanks guys

 

just ordered the 3in torx. be here tuesday. sorry to bug but any ideas if the head of one of the hold down bolts is stripped? i can't be the first person to do this.

 

There is a compound they sell for stripped phillips head screws it has some abrasive particles in it to give the tool u r using some extra bite. Good luck!

 

awesome and thanks iduger, i will look for it tomorrow.

 

Does the sgii do stuff that edge insight doesn't? I've been thinking about getting an insight but just can't commet to it. I want an AE but I want to beable to monitore my ect/eots. I can't decide what I want to do really. What I really want is a set of isspro ect and eot gauges on the ceiling. But I haven't been able to find a eot gauge.