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iirc it's a federal mandate that ethanol or bio stickers are supposed to be present on pumps along with measurement calibration stickers. I know all the pumps here in Texas that I have seen all have those stickers. our state also promotes folks calling in the scales and measurements hotline...

Your right AK, I saw him post 95 motor and was automatically thinking it was a OBD1 like mine. I see now his is a 98! the GMDTscan won't work for him but a tech 2 would.

I guess the only other way to test the new encoder would be to put it in another vehicle.

is there any way to test the function of the encoder motor out of the vehicle? maybe leave one installed but connect the harness to the one in hand? two encoders from ac delco non functional, I wonder if there is a wiring or switch issue, I assume there are no codes present that would...

Welcome to the forum @JonnyTheKidd install a clear piece of tubing on the return from the IP to the steel line. it's about a 6" piece. the tubing you can get at any hardware store and it does not need to be fuel rated. all your doing is checking to see if you have air in the fuel system...

Well, today I decided to pull apart the sway bar and get what was left of the crumbling bushings on my son's 68 C10. there wasn't much left of the bar bushing but I also pulled one of the link bushing out as well. took measurments on the bar and the area the bushing lives and came up with a...

Man, if I had a way to go out there and tow it, I would come for it! Hate to see big easy go.

Only thing I can think of is maybe ice build up around the shift arm on the trans and froze solid. there is or should be a rubber boot on the end of the cable like what's on the end of a shock, if that filled up with ice that could have caused it. could it have anything to do with that hard...

Only bad part is 234 is already too hot. Gm should have set that sensor to have it turn on at a min of 220. once it gets above 230 it takes a bit of time before temps start to decrease. they will still increase some even after the fan turns on given that the engine still has coolant flowing...

looking at RA, that switch won't turn the fan on until temp gets up to 234 degrees. and turns off at 211.

iirc all 454 models in that era had an aux electric cooling fan behind the grill. it's mainly used for when the AC is on, but also will turn on over a certain engine temp which I think doesn't run through the ECM, the sensor is simply a ground switch that will trigger the relay for the fan...

I have always wondered about the purpose of a coolant filter other than on some of the big rigs where the filter has DCA additive that slowly goes into the system. all the time I have wrenched on trucks at work I have never seen one get dirty or clog up. on your LP. if the IP can't handle...

I've heard XDP is good. what I use is what iirc @Will L. recommended which is stanadyne lubrictiy formula. it's not usually available off the shelf in local stores. there are several diesel additives stanadyne makes and the one that was tested with all the others was the normal one you...

Just returned from our trip to the JY. found out when we got there that they only have the area where the classics open from 9-noon on Wed, Saturday's. not sure if I will venture out there again tomorrow or wait till a day my son is off work. we did find a factory steering wheel off a 79...

I might have just found another honey pot junk yard about 40 miles from here with several C10 trucks. Just waiting on my son to see if he wants to go check it out!

What are your voltages at the battery and at the back of the alternator when idling. that's the first place to start. I don't remember if the main power into the cab comes from the starter or from a junction block. others would have more knowledge on that. But first things first. see what...

would have to get a meter on the battery to verify, but if voltage is good there, need to check voltage in the cab. there might be a loose connection.

Hey guys, I figured I would post here to maybe find some help searching for some parts my son wants for his 68 C10 truck. I though maybe some of you all might have access to local junk yards that would have older rigs. He is wanting to try and return it to as much as factory as he can, but...

Means the alternator isn't charging. check the voltage with a digital meter.

What I would like to see is a repop of the old 66-72 dash made with enough modifications to fit in the GMT-400 cluster and a double din stereo that would fit in our rigs. This or one designed after the 74-89 square body. giving a simple plain classic look. it's all about functionality and...