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Hilux engine noise at high rev.. help
Moderators: toaddog, Elmo, DUDELUX
Hilux engine noise at high rev.. help
Hey i need a diagnosis on the lux. Ok this is the story at 2700rpm - 2900rpm I get a loud rattle sound. It does it in neutral with the clutch in so it's not gearbox also in 2wd and 4wd. My guess is its piston slap.. not good. What do you guys all think?? Is it fixable?? the noise goes away at higher revs. Its an 89 single cab turbo 2.8 engine with 250kms if this helps. Look forward to your help.
Subversive Bucolicism
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Joined: Sat Mar 13, 2004 10:47 pm
Joined: Sat Mar 13, 2004 10:47 pm
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does it ever do it with the clutch not depressed
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Destroying our forests one Take 5 at a time.
Every time you do a Take 5 an Orangutan cries.
https://www.facebook.com/shadowthetravelcat" onclick="window.open(this.href);return false;
ok don't know if this may help, i had well sounds similar, and i thought that i was developing a bottom end rattle, but what it was, was the clutch slave was fucked, and it was not fully depressing the yoke lever????? and was only rattle at high revs! 
don't no if this helps
don't no if this helpsEliteforce Heavy Fabrication
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Subversive Bucolicism
Posts: 9196
Joined: Sat Mar 13, 2004 10:47 pm
Joined: Sat Mar 13, 2004 10:47 pm
Location: I think I hear a Dingo eating your Baby
Contact:
i thought it may have been the thrust bearing
you need to get around the motor & have a listen when its doing it to find out where its coming from you can use a screw driver up to your ear (the handle end) or invest in a Stethoscope
you need to get around the motor & have a listen when its doing it to find out where its coming from you can use a screw driver up to your ear (the handle end) or invest in a Stethoscope
Workplace Safety :
Destroying our forests one Take 5 at a time.
Every time you do a Take 5 an Orangutan cries.
https://www.facebook.com/shadowthetravelcat" onclick="window.open(this.href);return false;
Destroying our forests one Take 5 at a time.
Every time you do a Take 5 an Orangutan cries.
https://www.facebook.com/shadowthetravelcat" onclick="window.open(this.href);return false;
it only ever does it at around 2700-2900rpms and makes no difference if the clutch is in or out?? Im pretty sure it might be engine trouble. It still drives fine but if it is engine rattle what will eventually happen and should I fix it or just wait until it actually causes problems. I don't want to have to get an entire new engine because I didn't fix something that could of only cost $200 bucks or so. The problem is i've asked a few different mechanics and they all tell me different diagnostics.
Hi
Just a suggestion, I have seen this on a couple of other makes of vehicles.
If there is a tin plate bolted onto the exhaust manifold ( a sort of heat shield ) sometimes they get cracks around the bolts holding them on. They can also create some silly noises in a motor at revs.
I dont say it is the problem but its worth checking out.
Cheers
Just a suggestion, I have seen this on a couple of other makes of vehicles.
If there is a tin plate bolted onto the exhaust manifold ( a sort of heat shield ) sometimes they get cracks around the bolts holding them on. They can also create some silly noises in a motor at revs.
I dont say it is the problem but its worth checking out.
Cheers
Just on the offchance - is this rig fitted with a snorkel ?? If so check the usual sources of 2.8L snorkel noise, including the non-collapse spring ( if fitted )
Mick_n_Sal
Mick_n_Sal
HIS: '90 FJ73 Awaiting funds for mods
OURS: '00 HZ105 Cruiser - HIDs, GPS, UHF, LF240s, BFG MTs, BB, Steps, Outback Drawers . . . .
OURS: '00 HZ105 Cruiser - HIDs, GPS, UHF, LF240s, BFG MTs, BB, Steps, Outback Drawers . . . .
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