Question about 1998 Isuzu Trooper

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Hard lifter noise after pulling trailer with Isuzu trooper 3.5L

105k on car 300 on short block ran like a sewing machine until trailer pull. I pulled timing belt changed auto tensioner and timed no help. Noise on right side and one lifter until power added then several make noise. Changed oil 10w30 and added qt of marvel oil. noise not as loud but oil pressure drops to zero when idleing and 85# when at 2k. Oil pump changed with short block. Noise about same level regardless of engine speed just faster.Good power on road.

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  • Isuzu Master
  • 28,352 Answers

Sounds like you didn't run the engine in. Check the oil for mangled main bearings.

Posted on Jun 14, 2017


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Posted on Jan 02, 2017

  • 152 Answers

SOURCE: oil pressure sensor location

drivers side right above the oil pan

Posted on Jan 01, 2009

  • 1 Answer

SOURCE: isuzu 2001 diesel engine won't start

cant start deisel 3.0 lilter sounds like there is no fuel getting to the engine

Posted on Feb 15, 2009

  • 19 Answers

SOURCE: I have an Isuzu Rodeo 3.2 L when the engine is

if you dont plan on rebuilding the motor then just put some thicker oil in it!

Posted on Jul 16, 2009

  • 450 Answers

SOURCE: 1995 isuzu Rodeo engine noise

valve guides worn and tappet adjustment required, can check tappet adjustment first to see slightly better before removing heads and getting valve guides repaired/replaced on heads common problem
if raise revs to 1500-2000rpm and hold does clatter come and go come and go (valve guides) if there all the time tappet clearance issue
if there only under load (1st rev up) for a couple of times then stops possible big end bearing
all these are common for this engine

Posted on Jul 29, 2009

  • 1 Answer

SOURCE: Isuzu 3.2 L V6 Engine clacking

The problem with the 3.2 ticking noise is the worn rocker rod on the intake side. These rods support the rockers and the slave rockers for the exhaust. The slave rockers wear a groove in the rocker shafts that create extra clearance. The extra clearance is too much for the lifters to cover and then you get the tapping noise. The only cure is to replace the intake rocker shafts. When you get into the valve train, it is obvious what the problem is.

Posted on Jul 04, 2010

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How to find out which one is the lifter that is making the noise

Use a stethoscope if available, or even a tree branch, and touch above lifter areas with finger over the top end and ear against finger to locate louder lifter.

Nov 13, 2013 | 1994 Isuzu Trooper

1 Answer

Isuzu trooper is making a ticking noise, what could it be.

the lifters.make sure it's not low on oil also.


Feb 08, 2011 | 1995 Isuzu Trooper

2 Answers

Won"t was been a problem everytime since

any further symptoms and information would be handy

Jan 24, 2011 | 2002 Isuzu Trooper

1 Answer

Replace lifter

Lifters are usually replaced in sets with the cam or rods and rockers, replacing just one lifter, rare, but if it is making noise, then just locate the trouble maker, you can run the engine with the rocker cover off, find the bad one, shut of engine, loosen up the rocker, twist it out of the way, pull the rod out, then go in the hole with a piece of heavy wire, rod, steel, with a cut in the bottom to hook on the lip of the lifter, then pull it out. Put it all back, you should be all set.

Mar 27, 2010 | 1994 Isuzu Trooper

1 Answer

How to know your automatic transmission is working fine

Auto. Transmition when giving trouble will not change up until R.P.M. has gone over 2500 rpm. Should should change up between 2000 and 2500. When changing it down (pushing accelerator to the floor) it should do this imedietly. Isuzu Troopers have a power button on the console between the front seat's this is for trailer pulling and when it is on.(power light on in Dashboard) then it takes more R.P.M. to change up allowing for trailer weight.

Nov 11, 2009 | 1999 Isuzu Trooper

1 Answer

Isuzu Trooper 1997. Automatic Transmission holds gears too long.

Their is a power and normal drive in trooper's power for pulling a trailer and normal for normal driving. The power drive only changes gear at higher R.P.M. Their is a switch on the plastic cover under the handbrake with p & n their is a light in the dash as well. If you are not aware of this switch then just needs switching over if you are aware of it then its probably the fuse to activate it or a wiring problem with it, Cheers

Sep 24, 2009 | 1997 Isuzu Trooper

2 Answers

Loud clicking from engine

Classic Trooper problem. You can get a lot of quiet(er) troublefree miles out of your Trooper with religious, regular oil changes. Isuzu is now advising the use of Mobil 1 0w30 synthetic motor oil, changed at 5000 mi intervals to quiet the lifter tapping that you're experiencing. If you're a DIYer, you can pick up 5qt jugs of this oil at Walmart for $23-$26. -Or, you can buy the basic oil change and provide your own Mobil 1 0w30 to the tech to keep the costs down.

It'll take 150-300 miles for the noise to settle down after the fresh oil change. Keep a close eye on your oil dipstick. As soon as you're coming close to a quart low, top it back up. The 3.2l motor will start tapping again when the oil level drops or is near the time to change. Forget the advice about the belt tensioner needing to be replaced. That is rarely the source of the noise. I have two Troopers, Christophe. They're the ones that aren't tapping like crazy at the traffic light. Enjoy your Troop. -Geoff

Apr 16, 2009 | 1997 Isuzu Trooper

1 Answer


Could be one of two things.

1. Your starter motor is no good.
2. If you turn on your lights and try to start the car and they dim to almost black, then you need to check the battery connections.

Jul 14, 2008 | 1999 Isuzu Trooper

1 Answer

Isuzu axiom pull camper

As I recall, your Axiom has a Tow Rating of 5000 pounds -- but check your Owner's Manual to be sure. I have several friends who tow with their Isuzus (using 1st and 2nd Gen model Troopers and Rodeos) and pull pop-up campers, high-profile campers, ATV trailers, etc... There's even even one guy who pulls his Trail Rig (another Isusu) to various off-road events on an 18-foot tandem axle steel frame trailer -- All of them do so without any problem whatsoever. The thing is, all of them use a Load Distributing Hitch System, such as this: It makes a HUGE difference. Hope this helps.

May 18, 2008 | 2007 Isuzu Axiom

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