Revive an 88 Trooper

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Re: Revive an 88 Trooper

Postby gruff54 » Thu Apr 07, 2016 9:19 pm

Sorry, all mine are manuals. The one 2.6 auto I have doesn't have the tranny in it. It's in the back of the truck. Where are these lines located? The lines may still be in place.

Mike
'88 Trooper 2.6L 5 spd
'89 Trooper 2.6L 5 spd
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Re: Revive an 88 Trooper

Postby RickP » Thu Apr 07, 2016 9:37 pm

gruff54 wrote:Sorry, all mine are manuals. The one 2.6 auto I have doesn't have the tranny in it. It's in the back of the truck. Where are these lines located? The lines may still be in place.

Mike

They are on the right side of the transmission and go by the right side of the engine and then connect to the radiator. I would need to see it installed in the vehicle. There is a bracket near the front of the engine and I don't know what it was originally attached to.
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Re: Revive an 88 Trooper

Postby gruff54 » Fri Apr 08, 2016 6:11 am

The engine's still in the auto Trooper, but not the tranny. So I'm not sure about the lines. I'll take a look.

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'88 Trooper 2.6L 5 spd
'89 Trooper 2.6L 5 spd
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Re: Revive an 88 Trooper

Postby RickP » Fri Apr 08, 2016 3:21 pm

Mike, no need for the pic, Jerry helped me out. I had to turn it 180 degrees and it bolts to the front of the engine block. I've been trying to start it, but I don't think I have spark. Need to troubleshoot that.
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Re: Revive an 88 Trooper

Postby RickP » Fri Apr 08, 2016 3:23 pm

I got this a couple weeks ago in my fortune cookie at a Chinese restaurant. It must be about another vehicle I'll be buying in the future, because I sure ain't fun with the Trooper.
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Re: Revive an 88 Trooper

Postby RickP » Mon Apr 11, 2016 10:40 am

I spent most of the weekend working on my Husky WR300 on Saturday and replacing a fuel pump on my Festiva on Sunday since I was towed home Saturday night. I was messing with the Trooper this morning and noticed when I turned the key, there weren't any lights coming on the dash. Checked power to the fuses and no power to ignition coil or meter fuse when key was on. I noticed there was an LED for an alarm and thought it might be the culprit so I tried to track it down. While wiggling the panel under the steering column to try to figure out how to take it off, I forgot I had the key turned on and a bunch of lights came on. There is a loose wire under there somewhere I have to track down. I turned the key to start and it started for a split second. Now it just cranks but still no start. I noticed the fuel pump keeps running when the key is on. Is it supposed to? Most vehicles I've worked on, it just comes on for a few seconds until the engine starts.
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Re: Revive an 88 Trooper

Postby RickP » Mon Apr 11, 2016 12:04 pm

I removed all the alarm BS. There was a loose wire where they spliced in for engine kill. The fuel pump still runs constant with key on, engine off. I swapped relays and it still does it. I pulled the connectors from the ECU and it kept running. It wouldn't start with the pump running constantly so I decided to try to crank it with the fuel pump relay out to clear it out and it started up. I put the relay back in and it kept running. It's not in any condition to drive yet though. I'll have to figure out why it stays on with the engine off.
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Re: Revive an 88 Trooper

Postby RickP » Tue Apr 12, 2016 11:08 am

I'm putting this link here for future reference so everything is in one spot. I was able to get the fuel pump working correctly. viewtopic.php?f=1&t=86672&p=765258#p765258

I guess the plus side to all of these issues is that troubleshooting has given me an idea how everything works, so that when there is an issue in the future, I have a better understanding of it.
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Re: Revive an 88 Trooper

Postby RickP » Thu Apr 14, 2016 9:32 pm

The link in the above post has some info of what I've been doing the last few days. It's alive!!!!!!!!!!!!! I drove it out of the shop today and just on our very short road. I don't have it registered yet. It idles nice and seems to run really well and I wasn't expecting the 4 cylinder to feel this peppy. I did a nice smoke show with a little water on the tires. The Trooper's catalytic converter was either original or the original style and I could hear stuff rattling in it. Also, the muffler was peeled wide open from a backfire I suppose. The donor Trooper had a modern high flow cat and a tube muffler. I installed those and it sounds fantastic. I can't wait to get this thing on the road. The only issue right now is that the fuel gauge isn't working. Thanks for everyone's help so far and I don't think I would have gotten this far without Jerry's help.
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Last edited by RickP on Thu Apr 14, 2016 9:55 pm, edited 1 time in total.
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Re: Revive an 88 Trooper

Postby hessmess » Thu Apr 14, 2016 9:48 pm

Congratulations on getting another one back on the road, well almost, tags would be good. And it is a LS
86 Trooper (sold to brother) wrecked and recycled
88 Trooper (recycled)
91 Trooper, 3.1, bored .40, Cam, 4.3 TBI, roller rockers, Fiero valve covers, remote oil filter, LSD, 2.25 Cat back exhaust, BJ flip, 5 speed conversion, Round eye conversion-retired and parts donated to the new 91
91 LS Trooper, 5 speed, 3.4, bored intake, LSD, rebuilt using parts donated from the first 91
viewtopic.php?f=15&t=81567
89 Pup LS Space Cab, 4X4, AMC head, Delta 260 cam, 2.25 cat back exhaust system, LSD
viewtopic.php?t=55081
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Re: Revive an 88 Trooper

Postby wmorrisiii » Fri Apr 15, 2016 8:04 am

Looking good and a very nice build! And you are right, learning these trucks makes it way easier to troubleshoot them in the future. Suspension up next?
Willie's 1990 Trooper LS, 2.8L
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Willie's 1987 Trooper LS, 2.3L
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Re: Revive an 88 Trooper

Postby RickP » Fri Apr 15, 2016 8:47 am

wmorrisiii wrote:Looking good and a very nice build! And you are right, learning these trucks makes it way easier to troubleshoot them in the future. Suspension up next?

Tires are next. They are pretty dry rotted. I've already spent way more than I wanted to, so unless a repair is necessary, anything else is going to have to wait.
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Re: Revive an 88 Trooper

Postby totten » Fri Apr 15, 2016 7:35 pm

Nice write up with pictuces,thanks so much! Glad you found the coolant temp. sensor to repair your problem and wiring mixup. Great job and Trooper looks super. :D
2004 rodeo 4x4,3.2,auto Calmini 3" lift, Zone 2" Body Lift, 285/75/16 Mastercraft Courser HXT Tires. Cobra 29LTD CB,Transmission cooler,Functional hood scoop,Skyjacker shocks 8000,Swaybars removed.
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Re: Revive an 88 Trooper

Postby RickP » Fri Apr 15, 2016 7:43 pm

Thanks. I put about 50 miles on it today and it seems to be running great. The transmission acts a little wonky sometimes though. I know the AW4 I installed in my Eagle was real sensitive to TPS adjustment, so I'll mess with the TPS and the transmission cable tomorrow. The gas gauge doesn't work, but the low fuel light does. It does need shocks pretty bad. I'll see what shape the donor shocks are in. I have to go TO CA for 1-3 weeks, so once again the Trooper will have to wait.
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Re: Revive an 88 Trooper

Postby RickP » Sat Apr 16, 2016 9:45 pm

I went out this morning to check the TPS voltages and found a puddle of antifreeze under the Trooper. :angryfire: I did some quick looking around and it appeared to be coming from the bottom of the radiator. My coolant pressure tester isn't for the smaller cap, so I went to the auto parts store and "rented" one. Good news, it was a loose clamp on the lower hose.
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I was under a time crunch today, so after all that I didn't have time to mess with the TPS. I went to my aunt and uncle's for lunch and brought the dogs with me so they can run around with his black lab. They have 40 acres and I decided to test out the 4x4 and take some pics. Everything worked great and since I've put some more miles on it, the transmission is shifting better.
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I had a couple escorts to the back of the property.
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Re: Revive an 88 Trooper

Postby hessmess » Sun Apr 17, 2016 1:32 pm

Good to see it in its natural element! Sure is a good looking vehicle
86 Trooper (sold to brother) wrecked and recycled
88 Trooper (recycled)
91 Trooper, 3.1, bored .40, Cam, 4.3 TBI, roller rockers, Fiero valve covers, remote oil filter, LSD, 2.25 Cat back exhaust, BJ flip, 5 speed conversion, Round eye conversion-retired and parts donated to the new 91
91 LS Trooper, 5 speed, 3.4, bored intake, LSD, rebuilt using parts donated from the first 91
viewtopic.php?f=15&t=81567
89 Pup LS Space Cab, 4X4, AMC head, Delta 260 cam, 2.25 cat back exhaust system, LSD
viewtopic.php?t=55081
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Re: Revive an 88 Trooper

Postby SSSRodeo » Sun Apr 17, 2016 1:40 pm

For an Old Trooper that one looks pretty good.

I love my Troopers!
Love that space inside.
And that Go Anywhere Looks.
Cut it, hack it, weld it, make it better!
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Re: Revive an 88 Trooper

Postby red cube » Sun Apr 17, 2016 3:42 pm

Nice work! As for the gas gauge, have you tried filling up the tank? The sender on my '88 only works when the tank is more than ~3/4 full. Then there's about 20 miles of wild plunging / recovering, then it reads full empty. I think the low level light works, but I'm not going to test it out; I refill after every 200 miles or so, and then the fuel gauge works again. I'm ordering a new sender from Jerry. I'm not sure if I have to drop the tank for this job, or if I can get by with cutting an access hole in the floor; that's a job for later. Today's job is figuring out why the mower won't start, even with a fresh battery... "fun with four wheels" indeed!

Mark
for Lo! I am Isuzu: consumer of fuel and harbinger of rust;
Look upon my tires, ye potholes, and despair!
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Re: Revive an 88 Trooper

Postby RickP » Tue May 10, 2016 7:48 pm

red cube wrote:Nice work! As for the gas gauge, have you tried filling up the tank? The sender on my '88 only works when the tank is more than ~3/4 full. Then there's about 20 miles of wild plunging / recovering, then it reads full empty. I think the low level light works, but I'm not going to test it out; I refill after every 200 miles or so, and then the fuel gauge works again. I'm ordering a new sender from Jerry. I'm not sure if I have to drop the tank for this job, or if I can get by with cutting an access hole in the floor; that's a job for later. Today's job is figuring out why the mower won't start, even with a fresh battery... "fun with four wheels" indeed!

Mark


Yes, I did fill up the tank and it still read empty. I fiddled with the wiring and go the gauge to move when I grounded it and didn't get any readings from the sender, so I took the sender out of the donor and installed it and now have a working fuel gauge. The low fuel light sensor is mounted to the sending unit, but is a separate part from the float. Luckily I didn't have to drop the tank since the sending unit comes out of the front side of the tank. I will however will be doing the cut a hole in the floor mod for the fuel pump since I saw what a PITA it will be to drop the tank and if the pump goes out in a bad place, I don't want it to take me half a day to change it.

New tires went on today. I bought some 265/75/15 Cooper Discover AT3's. They look great. They aren't load range C like the 30's that came off, so the side walls are bit thinner and I hope I don't have an issue in the future with a punctured sidewall. Now I can drive and not worry about the dry rotted tires blowing out.

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Next thing on the list is to figure out why the blower motor doesn't work and get the A/C charged up. I've got some Envirosafe R12 replacement on the way.

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Re: Revive an 88 Trooper

Postby RickP » Sat May 14, 2016 9:00 pm

I got the blower motor fixed viewtopic.php?f=1&t=87081 and I installed new o rings and charged the system with the Envirosafe R12A. So far so good. A/C is blowing cold.

A few days ago, a bad trans fluid leak appeared at one of the metal tubes going into the radiator. I've got too much money wrapped up in this thing now and didn't want to buy a radiator and had a transmission cooler from a Ford Explorer sitting in the shed. I installed it the other day and it took care of the leak. My phone was on the charger so I didn't take any pics. The next time I have the grille off, I'll take some. So as of right now, everything is operational on the Trooper. It could use some new shocks and I've got some 4 note Cadillac horns I'll be installing and it needs a subwoofer. I need some bass.
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Re: Revive an 88 Trooper

Postby eval52 » Sat May 14, 2016 9:04 pm

New shoes looking good on her!
88 Trooper S, 2.6 ITEC
89 Trooper S, 2.6 ITEC
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Re: Revive an 88 Trooper

Postby RickP » Mon May 16, 2016 9:26 am

eval52 wrote:New shoes looking good on her!

Thanks. I finally ran a tank of gas through it and achieved 18mpg. I can live with that. My Eagle got less than that with much less room and comfort.
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Re: Revive an 88 Trooper

Postby RickP » Wed May 18, 2016 9:31 pm

I made a last minute decision to drive the Trooper to Moab. Apparently, the engine in my Trooper is a two stroke. Over 1/2 a quart of oil every fill up. I am running on the highway and wondering if it my be a PCV issue. Otherwise it ran great. I drove 834 miles today in 12.75 hours averaging 65MPH and just about 17 MPG.
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Re: Revive an 88 Trooper

Postby hessmess » Wed May 18, 2016 9:50 pm

I was in Moab last year with my Spacer, I had a great time. I hope to be back next year with my Trooper!
86 Trooper (sold to brother) wrecked and recycled
88 Trooper (recycled)
91 Trooper, 3.1, bored .40, Cam, 4.3 TBI, roller rockers, Fiero valve covers, remote oil filter, LSD, 2.25 Cat back exhaust, BJ flip, 5 speed conversion, Round eye conversion-retired and parts donated to the new 91
91 LS Trooper, 5 speed, 3.4, bored intake, LSD, rebuilt using parts donated from the first 91
viewtopic.php?f=15&t=81567
89 Pup LS Space Cab, 4X4, AMC head, Delta 260 cam, 2.25 cat back exhaust system, LSD
viewtopic.php?t=55081
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Re: Revive an 88 Trooper

Postby RickP » Wed May 18, 2016 10:06 pm

hessmess wrote:I was in Moab last year with my Spacer, I had a great time. I hope to be back next year with my Trooper!

I've been there twice. Once with my old Eagle and also with my dirtbike. The dirtbike is probably more fun, but after destroying my shoulder on it a couple years ago, I haven't been back on it.
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