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Happy Memorial Day all. I spent most of my weekend under the wrong truck... the missus came to the shop with her flatbed dually and we swapped the slap wore-out E4OD with a built, stage-one item from Shift-Rite Transmissions in Illinois. We also swapped a broken and leaking steering box for a remanufactured one. Boy does being in all the nooks and crannies of a 25-year old Ford diesel make one appreciate the general even more.
The Ford engineers want to be sure you have a complete socket and wrench index... sometimes all on the same part!!! Meanwhile I'm pretty sure that a 7/16", 9/16" and 3/4" wrench and socket can disassemble 90% of the suburban.
Still, things ought to be good in my life... the missus went home to take a badly deserved shower and I'll follow her in the flatbed shortly for the same. She was grinning ear to ear after the steering box test drive and emphatic that I drove her truck to see how much better it was now. No matter what it'll still be a Ford... but happy (not yet) wife, happy life as they say.
Be Safe
Jeremy
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« Last post by crsmith56 on Today at 12:43:25 PM »
First time posting. My 85 C10 has always had the issue of power locks not working on driver side. However, the switch on the driver side will lock and unlock the passenger side. The passenger side only operates passenger side. I replaced the actuator on driver side and no luck. My suspicion is broken wire going into the cab through the rubber sleeve?
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Sorry, your truck us too new for this forum...
Glad you have a sense of humor.
With all that good stuff going for the TBI components, I would look for a ground issue. They are the nemesis most overlooked.
There have been a few good posts that actually 'red arrow' locations that many are not aware of. Myself included!
I'm struggling getting my '88 454 to behave. Tune up is next in line.
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« Last post by Dr_Snooz on May 28, 2023, 04:30:00 PM »
Hi everyone. It's been a while, but I'm back with my 89 Suburban. I'm dealing with an intermittent stumbling/cutting-out issue lately. This morning the truck drove great with only a few light stumbles, on light acceleration, as I went to church. Coming home, it had a rough, surging idle on startup, and a lot of stumbles all the way home. Sometimes the idle would dip low briefly, then recover as I came to a stop. By "stumbles," I mean momentary losses of power for a second or two before recovering. It hasn't died yet, but I'm sure that's coming.
I've been through a few troubleshooting charts listed in the factory manual without finding anything wrong. The charts don't inspire confidence, though. For example, if you hit 9-13 psi within 2 seconds of turning the key on, then the fuel pump is deemed good and you can look elsewhere for your problem. ?
I've replaced the distributor with a new NAPA unit. The wires are a couple months old. O2 sensor is a new Bosch. Plugs were inspected and gapped 3 months ago. Fuel pressure tested at 12 psi per above. Fuel pump was replaced with an AC Delco unit in 2015, and has very few miles on it. Injectors are new rebuilt units from Standard Motor. Alternator output is 14.7V at idle. Timing is 0 with the brown wire unplugged. TPS is new. EGR tests out okay per the manual. Spark at idle is strong (hard to check it at speed.) Fuel filter is new. There seems to be a small vac leak at the booster check valve. I'll fix it tomorrow. No ECM codes. Battery cables are new homemade jobs that greatly improved my starter speed.
I can't find any threads or weblinks that cover my specific issue. I'm open to suggestions.
Thanks
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Nice, even has a drain plug!
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That's fascinating science! I was watching a hearing the other day with experts dealing with climate change. They were asked by a committee member if they knew what percentage of CO2 make up our atmosphere. Surprisingly they had to guess, and did so between 5 and 8%. A comment was made by one that emissions cause an increase of up to 49% and that was why they were assembled. The member revealed that the actual number is .04%. He said that average is .03, and that when the level drops to .02, plant life suffers. "We breath out 4%, and breath in .04%. WOW! Think about that for a few moments... 
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« Last post by macr0w on May 28, 2023, 08:31:37 AM »
This week I'm supposed to be taking my truck in to have the rear diff rebuilt with a 3.73 posi unit installed. I bought this fancy diff cover for it. 
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« Last post by 1980K20 on May 28, 2023, 01:02:22 AM »
Fwiw
GWP is Global Warming Potential. The number is a measure of equivalent pounds of carbon for one pound of carbon off the chemical. Highly stable chemicals stick around in the atmosphere for a long time and tend to have very high numbers. The chemists at my last job taught me a lot about this.
R12 has GWP rating of 10,900. The 56 ounces is equivalent to 58,900 pounds of carbon.
R1234a GWP is 1430. 56 ounces is 5,000 pounds.
R1234yf GWP is 4, 56 ounces is 14 pounds. Too bad it’s flammable, which will release carbon in an accident, perhaps yours too.
A gallon of gasoline is about 4 pounds of carbon (according to a web search, fwiw also). I was thinking our old trucks would be much worse. At 12 mpg, that’s 3 miles per pound of carbon. A bunch more carbon to manufacture. That’s just under 20,000 miles to match the refrigerant.
It’s more carbon to replace the beasts than to keep them running. Let’s keep ‘‘em on the road!
Sent from my iPhone using Tapatalk
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That pesky B-, what a pain!
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