Lots of newbie questions
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Junior Member
Joined: Apr 2008
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Got some new questions, thanks again for the previous answers,
Does my truck have an inline fuel filter or the filter in the pump? It has two tanks if that matters.
What is the proper spark plug gap for my truck (110k miles) and what plugs do you recommend for every day driving?
With 100k miles, what should I start paying attention too? What Transmission do I have, it's an overdrive automatic.
Does my truck have an inline fuel filter or the filter in the pump? It has two tanks if that matters.
What is the proper spark plug gap for my truck (110k miles) and what plugs do you recommend for every day driving?
With 100k miles, what should I start paying attention too? What Transmission do I have, it's an overdrive automatic.
Senior Member
Joined: Aug 2006
Posts: 614
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From: Troy, NY
It has one inline filter, it's on the driver side frame rail. Both tanks feed through that one filter. You need a special tool to compress the clips holding it to the lines, but you can get it at any auto store.
Dunno about the gap, I have never gapped a plug anyway. They're almost always right out of the box.
You can run premium plugs if you want, but regular copper ones do just fine, and I have yet to hear a report of any noticeable performance gains with premium plugs.
Transmission: Could either be the AOD, or the E4OD. Check the sticker on the door jamb, there's a letter under "trans." If it's an "E", you have the E4OD. If it's a "T", you have the AOD.
The AOD is considered a "light duty", wheras the E4OD is considered a heavy-duty. The AOD is an old-school vacuum-controlled automatic(there was an electronic version, but I've heard it's pretty rare), the E4OD is an electronically controlled box.
The E4OD is just a C6 with an overdrive gear and solenoids instead of vacuum, the rest of it is very similar. It's very reliable. The AOD is alright, but it's not built as tough as the E4OD and not well suited for truck use.
Check the tranny fluid. Is it reddish? If it just looks black, change it. Drop the pan and buy a new filter and gasket(usually sold together). Put RTV sealant on the gasket, stick it to the pan, and bolt it back together, refill with fresh mercon fluid(usually sold now as mercon III, don't use merc V in these boxes)
If it's a 4x4, change the t-case fluid, use the square peg on a 3/8 socket extension to get the drain/fill plugs out, fits perfectly. Refill with like 2 quarts of mercon fluid. Probably want to change the axle lube as well, be sure to add friction slime if it's a limited slip rear end(check your axle code, if the first digit is a letter it's LS, if it's a number it's not)
Dunno about the gap, I have never gapped a plug anyway. They're almost always right out of the box.
You can run premium plugs if you want, but regular copper ones do just fine, and I have yet to hear a report of any noticeable performance gains with premium plugs.
Transmission: Could either be the AOD, or the E4OD. Check the sticker on the door jamb, there's a letter under "trans." If it's an "E", you have the E4OD. If it's a "T", you have the AOD.
The AOD is considered a "light duty", wheras the E4OD is considered a heavy-duty. The AOD is an old-school vacuum-controlled automatic(there was an electronic version, but I've heard it's pretty rare), the E4OD is an electronically controlled box.
The E4OD is just a C6 with an overdrive gear and solenoids instead of vacuum, the rest of it is very similar. It's very reliable. The AOD is alright, but it's not built as tough as the E4OD and not well suited for truck use.
Check the tranny fluid. Is it reddish? If it just looks black, change it. Drop the pan and buy a new filter and gasket(usually sold together). Put RTV sealant on the gasket, stick it to the pan, and bolt it back together, refill with fresh mercon fluid(usually sold now as mercon III, don't use merc V in these boxes)
If it's a 4x4, change the t-case fluid, use the square peg on a 3/8 socket extension to get the drain/fill plugs out, fits perfectly. Refill with like 2 quarts of mercon fluid. Probably want to change the axle lube as well, be sure to add friction slime if it's a limited slip rear end(check your axle code, if the first digit is a letter it's LS, if it's a number it's not)
