11-17-2013, 06:19 PM
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#1
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wally's 87 4runner upkeep thread
no build, as i bought one in pretty good condition, with low mileage - 97,097 when i purchased it in may 2013. previous owner had replaced both front fenders and rear quarters. it was a rear-seat delete runner, which i have converted to a normal 4-seat runner.
before putting it on the road, i finished por-15 painting the underside and frame, as well as repairing the rocker behind the driver's front wheel. this had rotted out i believe because of a leaking master cylinder, either the brake or clutch. both have been replaced, and don't leak.
pics from the day after i brought it home, followed by other pics. interior was in pretty good shape, with a single small dash crack to the right of the inclinometer.
plans are not to deviate a whole lot from stock configuration. i bought this to be my work vehicle, replacing my 300K-mile '95 subaru wagon. i don't need it for wheeling, as i have a decently built '75 cj-5 for that, which is my toy.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
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11-17-2013, 06:33 PM
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#2
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one of the first things i attacked, after the frame/underside, was the rear window. it worked via the console switch, but wouldn't open from the rear key switch (it would close, though). i eventually solved this, as there were multiple breaks in the wire for the "lower window" circuit in the tailgate. much thanks to RAD4r for his help on this, and many other, repairs.
a local guy parts out 80s and 90s toyotas, and i've managed to pick up a bunch of stuff from him. the list includes the rear seats, radio antennae, spare tire, lug nuts for the stock wheels (4-spokes) which have brand new snows on them, a dash speaker, rear seatbelts (which i ended up not using), a clutch slave cylinder, the gas filler neck rubber gasket assembly, and a front skid plate.
the rear seats were mixed. the bottoms were in tough shape, but the backs were in pretty good shape. i took the bottoms to a local auto upholsterer and he did a really great job matching the fabric from the backs. it did take a few months, though. meanwhile, after no luck finding factory rear shoulder belts, i tried, and installed, the rear belts from my retired '95 subaru wagon. they fit perfectly, using the stock 4runner mounting points, including the roll bar. Installing seat belts
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
Last edited by wallytoo; 02-23-2014 at 07:14 PM.
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11-17-2013, 06:58 PM
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#3
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i read quite a bit about RAD4r's build, and did some electrical upgrades based on that (again, many thanks to ray for his insight and expertise).
i fixed the factory mistake for the headlight wiring, which can lead to a burned out column switch, and installed a ceramic harness/relay next to the battery. i also addressed the poor factory wiring in the starting circuit, so that the majority of the current goes through the relay rather than the keyswitch contacts. although i wasn't having any issues with either the high beams, or starting, it seemed to be a really good way to avoid future known problems.
edit: i've added pics of the new headlight relay assembly that i installed. i mounted the relays next to the battery & fuse box, using some thin sheet metal and screws to attach to factory holes on the inner fender. the relays are visible mounted to the sheetmetal, while the new fuse is visible zip-tied next to the fuse box.
after driving around a bit, i could tell the gas tank had a leak. i purchased a replacement and took it up to my brother's shop in burlington, vt to install it. this went pretty well, and i even got to replace a few broken-off bolts in the skid plate assembly.
i also had a gas leak at the front of the fuel rail, which i quickly id'd as the fuel damper. it was leaking because the tiny screw had fallen out, and was gone. the new damper is solid, without the screw, and hasn't leaked since installation. the plug wires were original to the truck, with a 1987 date-stamp on them. i replaced those, and the plugs, with new. the coil resistence tested a bit out of spec, so i replaced it. the dizzy was fine, and i haven't touched it.
i had a starting issue that gradually got worse. (i did find a FSM on ebay, and purchased it). i went through the troubleshooting procedures a bunch of times to try to solve the issue. the truck clearly was over-rich on starting if it sat for any length of time beyond 30 seconds.
testing revealed that the CSI worked fine, and the injector did not leak at all. the start time switch also tested fine. i had fuel pressure within spec, and could hear the fuel pump kick on with the key in the start position using the clutch switch. residual fuel pressure was in spec even overnight, so the injectors don't leak a whole lot.
cleaned the inside of the intake manifold, with the normal "black goo", and cleaned all passages. i tested the various VSV/BSV etc, and every one worked at the correct temperatures or "conditions". still had difficult starting, so i rechecked my TPS, using an analog meter. that's how i found a dead spot about halfway through it's range, and replaced it. tested the new one, and set it to spec with feeler gauges. still had a difficult start, didn't matter if it was cold, warm, or hot. however, once it started, if i shut it off, and restarted it within about 30 to 60 seconds, it fired right up.
tested the AFM, and got some out of spec numbers. plus, the CEL kept throwing codes for the AFM, for a failed temp sensor, and position. i replaced the AFM with a rebuilt, and the codes went away (and haven't returned). still had hard starts. also got a repeated code for failed O2 sensor, and replaced it (no more codes, either).
in bottom pic, you can just see the new AFM. the extra spring on the throttle assembly was added to deal with a sticky high idle issue. once the spring was added, the high idle at stops disappeared.
i couldn't get it. took it to a good friend's local shop, and he solved it in about 30 seconds. the fuel pressure regulator diaphragm leaked, allowing gas up into the vacuum line, directly into the manifold. thus, the overrich condition most times, unless the truck sat for 5 or more days. he replaced it, and the starting issues disappeared. the new regulator is visible to the far left in the bottom pic.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
Last edited by wallytoo; 02-23-2014 at 07:51 PM.
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11-17-2013, 07:01 PM
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#4
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Elite Member
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Join Date: Feb 2010
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Real Name: Kevin
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Wanna sell that rear seat delete panel?
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'My needle always settles between west and southwest. The future lies that way to me, and the earth seems more unexhausted and richer on that side.' - Thoreau, sort of.
The Grey Bastard, 1985 4Runner, driveway ornament.
Utah DesertRunners T4R, for all things wheeling and 4Runner in Utah.
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11-17-2013, 07:07 PM
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#5
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had a leak in the passenger side, below the windshield, up under the dash, which was getting the ECU damp. i eventually traced this to a leak on the inner fender, above the wiring grommet, at the weld behind the hood hinge area. this is a REALLY difficult place to reach.
i took off the front fender and the air inlet piece that runs below the windshield. with difficulty, i could clean out/scrape the rust behind the hinge, and painted it with por-15. after painting, i added silicone caulking, just for insurance, using a popsicle stick to reach in and apply it.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
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11-17-2013, 07:13 PM
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#6
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i've ordered some stock rear springs to replace the flattened ones that are 26 years old. the new ones have thicker steel individual leaves, but should provide stock height. they came with the spring anchor bushing, but no shackle bushings, which i orderd from toyota. (actually, i've had the springs in my garage for a while now, just need to take the runner back up to my brother's shop for the install, along with a 4 wheel alignment on his new rack.
a few weeks ago, prior to any snow, i sprayed the entire underside, including inside the body panels, with oil.
i'll get some pics soon of the new springs, and of the rear seats completely installed.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
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11-17-2013, 07:17 PM
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#7
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Quote:
Originally Posted by KidVermicious
Wanna sell that rear seat delete panel?
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absolutely. make me an offer, and if we can find a fair price, it's yours.
i've got the side hardware for it, too, which attaches the plate back at the seatbelt retractor hardpoints. the front attaches using the factory seat hinges (the outer two). there are absolutely no dents or any rust on this thing.
edit: i believe it's in such good condition because the rear carpeting extended all the way to the front. i'm still using the carpet, just rolled it up behind the rear seats, rather than slice it. i believe the runner was red originally, and was repainted in close to factory red. this delete panel may have been repainted, or it may be factory paint. i don't know. it isn't twisted or bent, either. minor paint wear is visible, and some scrathes. but no rust. no surface rust. no rust through. NO RUST.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
Last edited by wallytoo; 11-17-2013 at 07:40 PM.
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11-18-2013, 04:02 AM
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#8
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Elite Member
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Elite Member
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Quote:
Originally Posted by wallytoo
absolutely. make me an offer, and if we can find a fair price, it's yours.
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I honestly don't know what it's worth, and shipping might suck. If you can get me the exact dimensions and the weight, I could work up a rough shipping estimate and we could go from there...
__________________
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'My needle always settles between west and southwest. The future lies that way to me, and the earth seems more unexhausted and richer on that side.' - Thoreau, sort of.
The Grey Bastard, 1985 4Runner, driveway ornament.
Utah DesertRunners T4R, for all things wheeling and 4Runner in Utah.
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11-27-2013, 12:23 PM
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#9
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replacement springs that hopefully go in this weekend. these are replacements, not lift springs, so should more or less keep it stock height. also picked up new shackle bushings from toyota. once installed (springs), i'll also switch to the stock rims which are mounted with brand new snows, and get a 4wheel alignment.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
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12-02-2013, 05:20 PM
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#10
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springs successfully installed. brings the back up so it sits level, rather than sagging. smoother over bumps now, too, since the springs aren't flat and have some flex in them. switched over from the summer tires/aftermarket wheels to the stock 4-spoke wheels with snow tires, in the 30x9.5x15 variety. actually quieter than the generic tires that were on it when i purchased it.
also did most of the alignment, except for the camber adjustment on the driver's side (cam/bushing frozen). everything else in spec. i'll squirt the bushing/cam assembly liberally with lubricant over the next few months to see if that will free it up.
later, trailered my "new" 8n home, but not with the runner. the loader will be handy for snow removal and wood loading, while the splitter will be handy for sugar house cordwood. think i'll sell the cordwood belt saw; i'd rather use a chainsaw.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
Last edited by wallytoo; 03-09-2020 at 03:37 PM.
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12-02-2013, 05:47 PM
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#11
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Cool ride. Lets see a post install pic with the springs.
I gotta question about the contents of the white jug labed "Used Turd" in the pics of the leaf springs though. Whatcha got in there?
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12-02-2013, 08:50 PM
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#12
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i'll get some "after" spring pics soon.
although it looks like "turd" it really reads "turp" as in turpentine.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
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12-14-2013, 06:52 AM
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#13
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pics with new stock rear leafs installed.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
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02-09-2014, 09:31 PM
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#14
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i'd forgotten about the horn fix, which i completed back in november. using KidV's thread and pics Horn contacts repair walkthrough., i pulled the wheel to get at the pin & contact circle. i cleaned the "circle", but rather than shim it, i added a 22 cal shell to the plunger/spring for more positive contact. this worked ok, but i still was having intermittent "no horn" - about 1/2 the time, rather than 90 percent of the time. i did clean the shell inside & out, and the top of the plunger, and applied dielectric grease to the ring and shell (in & out).
removed the wheel again, cleaned the grease off, and lined the inside of the shell with aluminum foil so that it fit very tightly over the pin/spring contact. horn works pretty reliably now, and has since mid-november.
much thanks to KidV for his writeup, and fourwd1 for his shell case idea.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
Last edited by wallytoo; 02-09-2014 at 09:33 PM.
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02-09-2014, 10:09 PM
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#15
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one of the rear wheel cylinders failed last month, so i replaced it. (no pics - i'm pretty terrible about not taking pictures while working on stuff) it was also a good time to fix the parking brake bellcrank on the same wheel, which was corroded and no longer moved freely (it was stuck in the "applied" position - discovered this during the gas tank installation)
the wheel cylinder replacement was simple enough (i've done a bunch of these over the years on my various drum brake equipped vehicles) and was easy because i have some decent brake tools for the job, especially for removing/installing the shoe return springs and hold down springs.
once the replacement wheel cylinder was in place, i bled the cylinder by gravity - cracked the bleeder, and watched the master cylinder fluid level slowly drop. once it dropped sufficiently, i closed the bleeder, and replenished the master. didn't have to pump-bleed the brakes at all, and they function flawlessly - no squishy pedal, no second pump to get braking action.
the parking brake fix was a little slower. the bellcrank that passes through the backing plate was moveable with force, but wouldn't return to "off" with just the spring. i removed the parking brake mess (the two bellcranks and attaching rods/cables, and the shoe lever) and cleaned up the outer bellcrank assembly using PB'laster and a hammer. eventually got it nice and loose, where the spring would retract it easily when the parking brake handle was released. cleaned out the sand and rust from the rubber boot, too, and reinstalled everything. parking brakes now hold on steep hills, where before it only held on a slight incline.
one of the ways i've kept a functional parking brake in all my vehicles is to use them regularly, as in every time i park the vehicle. once it's a habit, you won't forget, and the frequent/daily use keeps them operable, which is important up in the salt belt.
while i was at it with brakes, i removed the front tires to get at the calipers to check the pads. the pad retaining bolts were frozen on both sides, top and bottom. removing them without snapping them took a solid 3 hours using a couple of hammers, a dremel cut-off wheel, several drifts and a chisel, but i got them out and replaced, and coated with anti-seize. pads checked out, so i didn't have to replace those at least.
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member, new hampshire timberland owners association (NHTOA)
1987 4runner sr5, 22re, 5-speed
1988 4runner sr5, 3.0, auto (parts rig)
1987 4runner, sr5, 22re, 5-speed (#2)
Last edited by wallytoo; 02-09-2014 at 10:13 PM.
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