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[quote=”EricTheCarGuy” post=158541]I don’t think it’s a transmission issue based on your description. Just to be sure though, are you checking the transmission fluid level with the vehicle running or off? It should be off. If not, it’s likely overfilled.
If you don’t have a D4 light flashing, it’s not likely a transmission problem.
Since this occurred after your cylinder head removal. I’d suspect something with the work you had done. It could either be something that’s not plugged in correctly, something misadjusted (never attempt to adjust the idle screw. It’s sealed for a reason), or perhaps a vacuum leak. Don’t assume you don’t have one, check for them first. I cover that, and other details about solving problems of this type here.
http://www.ericthecarguy.com/faq/solving-automotive-performance-issues
Good luck and please keep us updated on your progress[/quote]
Eric, I’m checking the fluid level when it’s hot and immediately (or very shortly) after shutting the engine off after a drive.
I do have a P0420 code, which indicates the cat. Could a dirty cat possibly cause something like this? I’m just throwing possibilities out there, see what you think.
I’ll check for more vacuum leaks, but I honestly hope there isn’t. It’s weird because it only happens when cold.
And not sure if it’s related, but there’s another weird quirk going on. While driving down the highway at about 55, I will get a random vibration (think of your smartphone vibrating x3) that just comes out of nowhere. It will last a few seconds and then go away, only to reappear a couple of days or even a couple of weeks later. It’s very sporadic. The struts, ball joints, and tires are all brand new.
[quote=”ukrkoz” post=124639]Well, if the rear end is shaking, it’s not quite likely power train.
1. bent frame
2. did you ever take close look at springs bolts, where they are entering the frame? On trucks, bolts have tendency to grind an oval hole, resulting in bolt play.[/quote]I have not checked those. Is that where the leaf shackles bolt to the frame? If the truck has a bent frame, where and what would I look for?
[quote=”ukrkoz” post=124639]Well, if the rear end is shaking, it’s not quite likely power train.
1. bent frame
2. did you ever take close look at springs bolts, where they are entering the frame? On trucks, bolts have tendency to grind an oval hole, resulting in bolt play.[/quote]I have not checked those. Is that where the leaf shackles bolt to the frame? If the truck has a bent frame, where and what would I look for?
Hey y’all, I’m Kerry McCoy from west central Missouri. I have worked on cars for the past eight years or so, and I am currently studying automotive technology at State Fair Community College with the goal of one day becoming an ASE-certified technician. I have a 1979 Ford Courier pickup, and she’s my baby (after my wife, of course). I look forward to getting to know you guys!
Hey y’all, I’m Kerry McCoy from west central Missouri. I have worked on cars for the past eight years or so, and I am currently studying automotive technology at State Fair Community College with the goal of one day becoming an ASE-certified technician. I have a 1979 Ford Courier pickup, and she’s my baby (after my wife, of course). I look forward to getting to know you guys!