Offroad-Express

TD42 GQ 1988, Oil Light is on, on the instrument cluster. Oil level is good. Oil pressure is good. What next??

To me it seems it could be electrical??

Check to see if the sender is faulty before you start ripping your loom or cluster to bits?

There is a oil pressure thread somewhere here gives common problems with the sender. Search Nissan threads.

Did you take it for a swim lately?

My sender did the same thing, twice. Take it out, clean up the nozzle and throw near the heater for a while then toss it back in and it should hopefully be sweet again.

ahh yeah my old man borrowed it a few weeks back and half drowned it, shall be checking out tomorrow, way too sore tonight after getting smashed at hockey today.

actually the other thing i was wondering is if it has done the bottom end bearings in. motor has 227,000 on it so shouldn't think so. some the aussie guys getting 800,000kms from them.

gary_in_nz wrote:ahh yeah my old man borrowed it a few weeks back and half drowned it, shall be checking out tomorrow, way too sore tonight after getting smashed at hockey today.

actually the other thing i was wondering is if it has done the bottom end bearings in. motor has 227,000 on it so shouldn't think so. some the aussie guys getting 800,000kms from them.

if oil pressure is good not likley to be bearings,the sender units are pretty average and seam to give a a bit of trouble when vehicle does river/mud work.pull rubber boot back on sender if it has one and check wiring(boot holds water then rusts out wiring,did this to mine)some senders have a little hole in them which needs to be clear.if it needs a new sender which are quite $$$ I would look at getting a aftermarket pressure gauge that would most likley be cheaper and actualy till you what the pressure is.

Shane

If its had a swim recently, then it will be a wet pressure sender.

Replacement jobbie from Nissan now have breathable membrane on the sender, about $140.

Mine has a small black rubber tube coming off of it, query its a breather of some type. It sometimes get blocked and causes the light to come on. I just clean it out and all good.

albundy wrote:Mine has a small black rubber tube coming off of it, query its a breather of some type. It sometimes get blocked and causes the light to come on. I just clean it out and all good.

Yes, its a breather. Presumably yours has been replaced at some point, as they did not come out with a breather from factory.

ok guys thanks for the help, slapped in a new genuine Nissan pressure sender, they wanted $190+ gst, told them to stick it and i will just get an after market setup, but they came to the party for $170 including, not too bad i guess, less mucking around, 10 mins and 1 hours hooning around to make sure everything is kosher. seems to be reading way more consistent and the pressure hovers at about 4 on the factory gauge (think the unit is kg/m) which is a lot better than previous.

gary_in_nz wrote:ok guys thanks for the help, slapped in a new genuine Nissan pressure sender, they wanted $190+ gst, told them to stick it and i will just get an after market setup, but they came to the party for $170 including, not too bad i guess, less mucking around, 10 mins and 1 hours hooning around to make sure everything is kosher. seems to be reading way more consistent and the pressure hovers at about 4 on the factory gauge (think the unit is kg/m) which is a lot better than previous.

That reading will probably last about a month or two then it will be back to making up its own You should keep your old one so you can swap them over again next time it throws its toys around.

does any one now what psi the td42 should have at idle and revs?

cheers

pressy

can't remember the numbers ( I should though, I look at it offten enough). At idle the needle sits at 1/4 of the guage, at revs it sits at half the guage. Hope that helps.
Al