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09-14-2017, 06:35 PM
Replies: 3
Views: 812
Posted By rogerz

these aren't mods but you ignore them at your...

these aren't mods but you ignore them at your peril.

Get your battery load tested. Be sure you have clean, tight corrosion free terminals on both ends of your battery cables. Be sure the ground...
09-11-2017, 12:11 PM
Replies: 5
Views: 2,026
Posted By rogerz

z31 Ttops leak. easy fix may be take it to...

z31 Ttops leak. easy fix may be take it to someone who specializes in leak stoppage.
09-01-2017, 09:56 AM
Replies: 1
Views: 431
Posted By rogerz

might as well just pull the tranny easier. while...

might as well just pull the tranny easier. while out do clutch and replace input tranny bearing. need long extensions and tranny jack to get unit out.
08-27-2017, 06:08 PM
Replies: 2
Views: 672
Posted By rogerz

you need the tranny jack. Harbor freight. get...

you need the tranny jack. Harbor freight. get it up on jack stands so you can get under it. pretty easy. need some long extensions to get at mounting bolts.
08-27-2017, 06:03 PM
Replies: 4
Views: 549
Posted By rogerz

forget the tps. probably the CHTS

forget the tps. probably the CHTS
08-13-2017, 04:30 PM
Replies: 7
Views: 613
Posted By rogerz

start a post which specifically asks the question...

start a post which specifically asks the question about auto tranny reliability. More likely to get a response to that question.
08-12-2017, 04:05 PM
Replies: 7
Views: 613
Posted By rogerz

my buddy has an identical 86 z31 to mine. he...

my buddy has an identical 86 z31 to mine. he dynos at 300 but did a lot of work to get there. I put in a boost controlller and mine dynos at 240. blow off many a youngster in a Honda with a six...
08-12-2017, 12:21 PM
Replies: 7
Views: 613
Posted By rogerz

an auto tranny is actually better with a turbo...

an auto tranny is actually better with a turbo because once you push go pedal it stays on boost until you run out of rpm Hard to say how durable the auto tranny is - some say they are fine. ...
08-06-2017, 10:57 AM
Replies: 1
Views: 1,057
Posted By rogerz

put a fuel gage in the line from the filter to...

put a fuel gage in the line from the filter to the fpr to see if fuel pressure is correct. fuel coming out the hose doesn't mean a lot.
some stuff to do

Get your battery load tested. Be sure...
08-04-2017, 10:03 AM
Replies: 3
Views: 403
Posted By rogerz

ohms on a coil mean nothing except at least you...

ohms on a coil mean nothing except at least you have continuity. hook a plug up to the coil. make and break 12 volts and see if you get spark. if you don't know what all that means take...
07-21-2017, 05:45 AM
Replies: 2
Views: 597
Posted By rogerz

get the fsms and look at the circuit diagrams for...

get the fsms and look at the circuit diagrams for a start. 88 and 85 likely different.
07-21-2017, 05:43 AM
Replies: 3
Views: 535
Posted By rogerz

first thing to do is get your vacuum hoses...

first thing to do is get your vacuum hoses replaced. hvac needs vacuum to work. After that may be one of the sensors need replacing.
07-15-2017, 09:58 AM
Replies: 4
Views: 619
Posted By rogerz

try the air hammer again I have never seen one...

try the air hammer again I have never seen one stuck so bad it won't come off. there is nothing holding it. just a tapered fit. maybe hit the nut (and therefore the shaft) from side instead of...
07-12-2017, 07:30 PM
Replies: 7
Views: 1,343
Posted By rogerz

you can tell if it is the kickdown switch by...

you can tell if it is the kickdown switch by pulling it into low range and see if you get the same result. Had that problem on my turbo 81 it was a real dog til it got going then zoom. for grins I...
07-12-2017, 07:25 PM
Replies: 4
Views: 619
Posted By rogerz

back the shaft nut out to the end of the shaft to...

back the shaft nut out to the end of the shaft to keep from dinging the threads. hit it with an air hammer a few raps. tapered fit it will jump right off. If no hammer get help one to pull up on...
07-10-2017, 06:52 AM
Replies: 1
Views: 472
Posted By rogerz

check your other post. maybe the answer

check your other post. maybe the answer
07-10-2017, 06:47 AM
Replies: 2
Views: 791
Posted By rogerz

generally speaking on a z31 when all the warning...

generally speaking on a z31 when all the warning lights come on means replace the alternator.
07-09-2017, 04:02 PM
Replies: 7
Views: 1,343
Posted By rogerz

plugs are not your problem. Who told you oem...

plugs are not your problem. Who told you oem plugs were auto lite. disregard any information you got from that source because head up syndrome. Did you test the maf with a vom per the fsm? are...
05-19-2017, 04:22 PM
Replies: 5
Views: 678
Posted By rogerz

the only way to get the codes is to follow the...

the only way to get the codes is to follow the directions in the fsm. no way to read them just count the blinking lights (not a euphemism it is what they do.)

you would do better to put a cogent...
04-21-2017, 10:05 AM
Replies: 4
Views: 1,256
Posted By rogerz

I like Mobil One for the engine and Redline MTF...

I like Mobil One for the engine and Redline MTF for the tranny. friend uses Royal Purple. stick with synthetics no matter what.
04-05-2017, 05:15 PM
Replies: 2
Views: 559
Posted By rogerz

what nismo said but also you need vacuum to close...

what nismo said but also you need vacuum to close off the coolant valve into the cabin. blown out vac hoses are usually the cause of hot air coming in all the time. get the fsm from xenon. then...
03-17-2017, 08:09 AM
Replies: 3
Views: 591
Posted By rogerz

sounds like a leaking injector is allowing...

sounds like a leaking injector is allowing unburnt fuel to gather in the intake manifold. when you hold the accelerator pedal down you are allowing enough air into the engine to overcome the amount...
03-12-2017, 11:15 AM
Replies: 4
Views: 600
Posted By rogerz

no. probably loose connection somewhere. look...

no. probably loose connection somewhere. look for damage to fuse panel itself. check fusible links for sure. not visually take them out and use a vom on them
03-11-2017, 06:12 AM
Replies: 2
Views: 2,217
Posted By rogerz

since it is an N/A with busted hood struts your...

since it is an N/A with busted hood struts your 7800$ is a bit optimistic. but it is in beautiful condition. you might want to invest the forty bucks to put working hood and rear deck lid struts on...
02-01-2017, 10:03 PM
Replies: 9
Views: 1,140
Posted By rogerz

here is a START Get your battery load tested. ...

here is a START
Get your battery load tested. Be sure you have clean, tight corrosion free terminals on both ends of your battery cables. Be sure the ground (negative) cable goes to a bolt into the...
01-23-2017, 11:12 PM
Replies: 6
Views: 903
Posted By rogerz

to confuse you further there is always a hot wire...

to confuse you further there is always a hot wire to the injector. grounding takes place thru the ECU at the proper time.
01-23-2017, 11:10 PM
Replies: 7
Views: 677
Posted By rogerz

you are right about the dielectric grease. ...

you are right about the dielectric grease. unfortunately many people think it is to grease the contacts. it is used after the clean contacts are inserted and applied to the outside to prevent...
01-19-2017, 02:33 PM
Replies: 6
Views: 1,783
Posted By rogerz

stick a pressure gage in the line before the fuel...

stick a pressure gage in the line before the fuel ring. get a reading because listening and hoping don't get it. you probably have a fuel problem.
01-19-2017, 02:30 PM
Replies: 7
Views: 677
Posted By rogerz

you are backwards on the oil cap. if running...

you are backwards on the oil cap. if running smooth it will run rougher when you pull the oil cap. if no change you got a vac leak.


if you would really like answers that would help you and...
12-29-2016, 09:23 PM
Replies: 5
Views: 893
Posted By rogerz

180K not much on a z31 especially if it has been...

180K not much on a z31 especially if it has been well maintained. Not being a turbo is a plus. Don't know what 86T had problems with but unless driven to death it will be fine. If it runs fine now...
12-06-2016, 08:31 PM
Replies: 1
Views: 451
Posted By rogerz

possible if they aren't the ones that take a...

possible if they aren't the ones that take a blade that looks like an arrow. even the rectangular ones can be different. only real way to know is try it. I don't think nissan was real particular...
10-31-2016, 09:24 PM
Replies: 4
Views: 875
Posted By rogerz

Sure you don't have an s130 because the z31 never...

Sure you don't have an s130 because the z31 never had a cold start valve or you just randomly took something off of which you have no clue what it was.
10-28-2016, 10:32 AM
Replies: 1
Views: 571
Posted By rogerz

you are perhaps focusing in on the clutch but...

you are perhaps focusing in on the clutch but have an electrical mystery to solve.
One possibility is your ground cable. It should go from the battery to a bolt into the frame about a foot below...
10-25-2016, 03:50 AM
Replies: 10
Views: 1,101
Posted By rogerz

you didn't specify if you had digi dash or not. ...

you didn't specify if you had digi dash or not. Makes a difference but maybe AE only came with digi. if a bunch of small bars come up showing what looks like a power curve that is your boost gage...
10-25-2016, 03:41 AM
Replies: 5
Views: 676
Posted By rogerz

be more careful when you start tinkering. take...

be more careful when you start tinkering. take digital pics as you disassemble things.
10-19-2016, 11:32 AM
Replies: 6
Views: 1,155
Posted By rogerz

more likely someone pulled the oil pump and...

more likely someone pulled the oil pump and didn't install it in the correct orientation.
you can look at the timing chain marks to verify that it is correct.
10-17-2016, 01:07 PM
Replies: 5
Views: 808
Posted By rogerz

CourtesyParts | Genuine OEM Nissan Parts &...

CourtesyParts | Genuine OEM Nissan Parts & Accessories (http://www.courtesyparts.com/)

the old style sender with the flat bar and carbon tracks inside an AL tube goes bad because either varnish or...
10-17-2016, 11:19 AM
Replies: 5
Views: 808
Posted By rogerz

if you would really like answers that would help...

if you would really like answers that would help you and avoid flames give the following info when you post: year of car, n/a or turbo engine, stick or slushbox, digital or analog dash. Most of us...
10-06-2016, 10:30 PM
Replies: 13
Views: 2,194
Posted By rogerz

the dash power supply is right in there where...

the dash power supply is right in there where those vacuum motors are so possibly you knocked a connector loose. if you got a significant vac leak then your idle should be funny. one way to look is...
10-06-2016, 10:50 AM
Replies: 5
Views: 822
Posted By rogerz

you don't have a clue what part you want.

you don't have a clue what part you want.
10-06-2016, 10:45 AM
Replies: 13
Views: 2,194
Posted By rogerz

the vac pump is only operated by the switch on...

the vac pump is only operated by the switch on the vac tank unless previous moron did something even more incredibly stupid. Plugging the port on the plenum is probably where you should run a vacuum...
10-05-2016, 08:38 AM
Replies: 5
Views: 822
Posted By rogerz

it is not an air flow meter.. It is a Mass Air...

it is not an air flow meter.. It is a Mass Air Flow sensor. any unit from any z31 will work try the junk yards. highly unlikely you got a bad one they are very simple devices I think you are doing...
10-05-2016, 08:31 AM
Replies: 13
Views: 2,194
Posted By rogerz

means they are shot probably. just run new ones...

means they are shot probably. just run new ones after 30 years they aren't in good shape. if the vacuum pump runs all the time you are not getting vacuum to the vac tank or the switch that turns on...
10-04-2016, 04:36 PM
Replies: 13
Views: 2,194
Posted By rogerz

vacuum pump only operates when under boost. the...

vacuum pump only operates when under boost. the normal mode is the vacuum comes from the plenum. the vac pump is under the right headlight but that is not your problem. There is a vacuum tank on...
09-26-2016, 09:57 PM
Replies: 2
Views: 565
Posted By rogerz

if it is really a fairlady somewhat of a rarity. ...

if it is really a fairlady somewhat of a rarity. RHD definitely unusual. So what it is worth is not knowable without trying to sell and see if someone wants it. Parts and stuff probably really...
09-25-2016, 05:24 PM
Replies: 4
Views: 745
Posted By rogerz

if you are around SeaTTLE I got one you can have.

if you are around SeaTTLE I got one you can have.
09-23-2016, 11:06 AM
Replies: 5
Views: 1,186
Posted By rogerz

switch on the dash pod is just open close as I...

switch on the dash pod is just open close as I remember. but limit switches are particular to each motor. Could be as simple as a ground wire off or broken on the one that doesn't work. You need...
09-22-2016, 05:48 PM
Replies: 5
Views: 1,186
Posted By rogerz

look at the circuit diagram. that motor circuit...

look at the circuit diagram. that motor circuit is a fairly complex circuit with some limit switches and other gizmos thrown in. you could always hot wire the motor to see if it is working. likely...
09-22-2016, 10:32 AM
Replies: 3
Views: 1,523
Posted By rogerz

electricity 101 you need a wire to connect two...

electricity 101 you need a wire to connect two separate units. In this case a coaxial cable one end standard coax connector other end automotive push on style connector. so it they are disconnected...
09-22-2016, 10:30 AM
Replies: 5
Views: 1,186
Posted By rogerz

not sure but I'm thinking those relays shown are...

not sure but I'm thinking those relays shown are for the auto dimming feature which I think was on some of the cars. My 86 does not have those relays either. so I'm thinking all the power goes thru...
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