Mitsubishi Pajero Fieldmaster (Gen 2.5) [ARCHIVED]

[andrewbugs]

Sir PB, tanong ko lang. What is the average service life of mitsubishi glow plugs?

[andrewbugs]

hi guys, I would like to share my forum thread with Dieseldude.



Me (words in black); Dieseldude (words in red)

Dieseldude, tanong ko lang po. I had my 4 nozzles replaced and installed by Betan-Makati last month (my engine is 4M40) to correct the black smoke. After the installation, wala na ang smoke. However, ngayon mahirap magstart pajero ko kahit maiinit na ang engine (so i think not the glow plugs ang reason). What i did, I stepped on the gas pedal (maximum to the floor), with this, magstart na siya after few revolution of the starter motor (around 2-3 seconds). what do you think is the problem?


Possible problems are:

1. glow plugs or preheat system
2. weak battery if your cranking speed is low
3. air in your fuel susction lines
4. injection pump
5. low compression pressure

Btw, ano na ba ang mileage ng Pajero mo? Your engine needs glow plug assist even when hot if it's mileage is high due to normal wear on the piston rings and liners. High mileage = low compression pressure = low ignition temperature.

Start with 1, 2, & 3 before considering 4 & 5.


Ang mileage ng Pajero ko is 80km. Your compression should still be fine at 80k kms, not unless your engine has experienced overheat condition/s.

I wonder also, I have been replacing glow plugs every six months (starting last year) and mitsubishi parts pa, which cost 1.8k/pc. Mahal talaga ang original Mits glowplugs, but they last long.

do you think something is wrong with the electrical, that's why the glow plugs got busted easily? Possibilities are:

1. You may be buying fake glow plugs.
2. Preheat system is defective, voltage is applied to the plugs on an extended duration.
3. Injection pump may be causing a hard start condition. Prolonged and repeated starts puts a heavy strain on the glow plugs as they are cycled and energized everytime you do a start.

Last, how to check the battery if it needs replacement? kasi kaya pa nitong magstart. Many thanks for your help. Low cranking speed is a good indicator of a weak battery if your starter, bat cables and terminals are in good condition. Motolite etc. can check your battery. You can also do a voltage drop test while cranking.

Do you experience hard start and hesitation during morning starts?

Dieseldude, thank you for the reply. You are really of help . Just an update, I removed the glow plugs last night, to my surprise 2 are not working and the other 2 are still fine.

Of the two glow plugs that are still working, one is already +10months old, while the other one is still 3 months old (kasabay it sa pag-install sa other 2 busted glow plugs). I wonder why this +10 month old glow plug outlives the others? and its located in the 2nd cylinder (starting from the front). Does location matter? No, cylinder location does not influence glow plug life.

or the "new" glow plugs which are installed at the same time were just fake?I'm not sure; but this is a possibility. Close inspection might answer your question.

Ok, ill check with the preheat system. Tama kaya if i test the preheat system like this? Ill remove one glow plug (the one still working), attached to the wire leading to the glow plugs, and turn ON the keys (but not crank the engine). If the glow plugs remains glowing after the heater light turns off, therefore the preheat system is defective because it extended the duration of heating the glow plugs = short life of glow plugs? No, this is not the way. The system may not even preheat if only one working glow plug is hooked up as it will see a wrong resistance value.

Injection pump may be causing a hard start condition. Prolonged and repeated starts puts a heavy strain on the glow plugs as they are cycled and energized everytime you do a start. Hopefully the injection pump is still working.

Do you experience hard start and hesitation during morning starts? I experienced hard starting in the morning and also in the afternoon. This morning what i did, before cranking, i stepped on the gas pedal to the floor + turn ON the keys twice (without cranking, just to extend the heating of the glow plugs ), and cranked. Once lang ang cranked ko (around 2 seconds) umanaadar kaagad ang engine with 2 hiccups (but I stepped the gas mid-way, so na wala na ang hiccup) Install 4 good plugs, and check if engine easily starts in the morning. If you still experience difficulty in morning starts, injection pump may have to be checked.

Many thanks again for the inputs. You are welcome...

[promdiboy]

sunlife advisor, nakakabilib nga malaman na may bumibili parin ng FM, its not really practical, but siguro they followed their heart.

andrew bugs, once palang ako nasiraan ng glow plugs yung stock ko maaga bumigay 40k yata yun, but at 70k bumili nagpalit uli ako ng 4 glowplugs dahil akala ko ito yung problem, calibration na pala, kaya may extra set ako nakaabang na, Im now at 100k di pa nasisira up to now. orig cost 1,200 per pop. I use a multimeter to test the plugs. and pinapalitan ko per set of 4 not per pc. baka kaya isa isa nasisira sayo. test mo rin kung namamatay yung power sa railing ng heater plugs. dapat mamatay siya pag tunog ng tik pag mainit na, the best niyan dalhin mo na sa CDC.

[jru120]

good day mga pips! share ko lang yung pinagawa ko last week sa paj ko. pinapalit ko sa casa yung mga seal sa cylinder head kasi may napansin akong slow oil leak. ito po yung prices dito sa mitsubishi-tagbilaran bohol

cylinder head cover seal (half moon) - P 91.62
(part no. me200269)
cylinder camshaft end seal (half moon) - P 91.62
(part no. me200270)
rocker gasket cover gasket - P771.65
(part no. me200403)
labor - P 350

total - P1,304.89

napagawa ko sa casa dahil feeling ko emergency na talaga. pero sure ako masmura to ng 40%-50% sa servitek. tapos napansin nila na yung main radiator fan motor ko di na umaandar at meron sa casa binebenta worth P7,612.49 (part no. 065000-7121 denso). pero di ko binili kasi tumawag ako sa supplier namin sa cebu at meron sa kanya for P2,300 lang. dito ko lang rin pina-replace sa amin. same brand at part no. yung sa supplier namin at casa.

sunlife advisor, sa price ng brand new FM makakabili na sya ng dalawang 2nd hand FM. lakas talaga ng appeal ng pajero

[jru120]

has anyone tried here using surplus tires for their paj?
nagbebenta kasi friend ko mga 90% pa ang kapal ng gulong. bridgestone 265/70 r16 P3,000 lang. makal pa at parang bago. yung friend ko may tire store at nagbebenta sya ng brand new at surplus tires. pero di ko pa nasusubukan yung surplus tires nya. kung meron man sa inyo nakasubok ng surplus tires paki share naman o. thanks!

[KCboy]

there's nothing wrong with using surplus and used tires on your pajero, as long as they are in good, reliable condition meaning the treads patterns are still thick for maximum grip and no bulges on the sidewalls so no unexpected tires bursts and flat tires while driving you pajero. drive safely.

[jru120]

pb may crystal tail lights na para sa pajero gen 2.5 sa ebay. katulad sa pinost mo dito.

http://cgi.ebay.ph/LEDMASTER-PAJERO-FIELD-MASTER-LED-CRYSTAL-TAIL-LIGHT_W0QQitemZ110287547173QQihZ001QQcategoryZ4610 0QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

[jru120]

thanks kcboy. baka nga subukan ko yung surplus tire sa next tire change ko.

[andrewbugs]

Sir PB, thank you for the reply. I think something is really wrong with the electrical system going to the glow plugs. By the way, pardon my ignorance what is CDC?

[Altis123]

Wanted to ask kung ano ang last year model na meron Manual Transmission? All I know is that ang 4x4, 2001 ang last year model. Can anyone help?