fjh Posted April 30 Share Posted April 30 10 minutes ago, Artful dodger said: Eye valve is unplugged has been This whole time? Quote Link to comment Share on other sites More sharing options...
The Heinz Posted April 30 Share Posted April 30 (edited) Here's some pics of the truck in our shop. The housing my sausage finger is pointing to is the VGT filter base. Filter is upside down underneath. EDIT: Feel like I need to clarify my finger doesn't look like this, my camera made it look worse than reality lol. Edited April 30 by The Heinz Clarification Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 Oh yea it’s been deleted man for sure I followed the line out of valve in the diagram i recieved and the line that is supposed to go to the vgt has been rerouted down the frame rail towards bed and can’t tell where it goes without cuttin700 zip ties and swallowing a lb of dirt but I doubt they moved the valve to the back I took an oil filter off didn’t see anything but I probably took the wrong one off my luck line I’m talking about is an air line coming from that valve with the silver a cylinder on top on it it loops around fours to a skinny lookin valve then takes off under truck to the back that line in the pic Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 Yes fjh, it got plugged in the other day at the shop and it ran worse or I thought it did but before that it’s never been plugged in since I’ve had it Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 So let’s assume this filter isn’t on the truck what now I’m gona look again but there is absolutely no airline running down behind the oil filters and from the diagram I thought that that line that it is running out of that valve that I sent the picture of I don’t know what it’s called. It was supposed to run down to the filter and I followed it and it’s the one that goes to the back, Quote Link to comment Share on other sites More sharing options...
fjh Posted April 30 Share Posted April 30 So you have air to the turbo? you said you cracked that line?sorry don’t want to keep beating a dead dog here you need to confirm it’s stroking correctly! Also when you start the engine in the morning no air in the system you should hear a change in the sound when your air pressure gets around 70 psi it will start to sound like Kirby vacuum cleaner at that point if it doesn’t then the egr valve is stuck open or the turbo is not working right! That could be the contoler or the turbo itself! With out checking we can’t help! I we are not there we are here we can only tell you what to look for! 1 Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 did you lay under the driver side and look up to see the filter and controller? it is low on the engine, right in front of the starter.. Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 FJH?/ I wonder if he can remove the VGT air cylider and lock the turbo vanes in the open position, then just watch the boost gauge. also woder if there is a 35 PSI relief valve that can be screwed into the intake manifold to act as a waste gate?? Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 fellas I’m paying very close attention to everything your telling me plse don’t think ill of me I just don’t know these motors I’m really giving it All I have I’m goin up now my wife just got home I’m gona have he watch the waste gate and see if ifs stroking.. the sound Change does happen but also happen when im driving it sometimes it will be real low sounding like it’s bubbling then go the Kirby sound.. I did not even see a place where that filter would have been if it had been there I spent 45 min looking at the oil filter ecm and that whole side of the motor Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 Buddy,,, I/We totaly understand, actually I feel safe speaking for the other guys on this.. You are doing just fine.. I wish I had a truck here to take a picture and text it to you.. Take a break and grab a beer,.. Jojo 2 Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 Thanks guys very much .. so I took a video of waste gate if it will load I’m gona try and post it I started it the second she started the truck Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 there is a lot of soot on the VGT actuator.. Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 It’s everywhere exhaust leak but havin trouble pinpointing that did it load as a video Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 no video Quote Link to comment Share on other sites More sharing options...
fjh Posted April 30 Share Posted April 30 Have her turn the key on don’t start let it do it’s self check! Yup Soot is not good! Worn actuator shaft! Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 You think the soot is coming from the actuator itself those 2 holes is where that filter should be Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 When she turned key on all it did was move barely then stopped didn’t go down till I had her rev it up Quote Link to comment Share on other sites More sharing options...
fjh Posted April 30 Share Posted April 30 Has anyone looked at the codes on this yet! There is a wheel speed sensor on the turbo the green wire it may be faulty! 1 Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 9/5 2/9 1/7 These are sequences I’ll look up what they mean Quote Link to comment Share on other sites More sharing options...
fjh Posted April 30 Share Posted April 30 39 minutes ago, Joey Mack said: FJH?/ I wonder if he can remove the VGT air cylider and lock the turbo vanes in the open position, then just watch the boost gauge. also woder if there is a 35 PSI relief valve that can be screwed into the intake manifold to act as a waste gate?? Sounds like there’s No boost gauge working blind here! 1 Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 air pressure needs to be above 90 PSI.. Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 For ? Jo Jo Quote Link to comment Share on other sites More sharing options...
Artful dodger Posted April 30 Share Posted April 30 wheel speed sensor? Quote Link to comment Share on other sites More sharing options...
Joey Mack Posted April 30 Share Posted April 30 VGT operation.. here is a link to a codes list.. Mack Truck VMACIII 1998 Fault Codes List - Truckmanualshub.com.url 1 Quote Link to comment Share on other sites More sharing options...
fjh Posted April 30 Share Posted April 30 7 minutes ago, Artful dodger said: wheel speed sensor? Yup Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.