3l / ln106 gets hot under load

Submitted: Saturday, Feb 12, 2005 at 17:52
ThreadID: 20376 Views:2502 Replies:4 FollowUps:4
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Hello all,

I have a 11/92 Hilux 3L/LN106 2.8L with 260,000kms on th clock. When the engine is under load (only wen towing) the temp gauge heads north, not quite reaching into the red but sitting on the edge of the white area. I have already flushed and cleaned the radiator, renewed the fan clutch fuid, replaced the water pump all to no-avail. It blows deep black smoke when under load wheather towing or not, injectors have recenty been replaced. My next step is a dyno tune as I have heard too much fuel or not enough can make these motors run hot. Does any one have any other suggetions on how to fix this annoying problem.

Hot & Perplexed
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Reply By: Member - Nick (TAS) - Saturday, Feb 12, 2005 at 19:16

Saturday, Feb 12, 2005 at 19:16
Thermostat?
AnswerID: 98034

Follow Up By: Hot & Perplexed - Saturday, Feb 12, 2005 at 21:32

Saturday, Feb 12, 2005 at 21:32
Nick,

Thermostat has been replaced as well, left that off my first post.
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FollowupID: 356591

Reply By: member-Diamond(vic) - Saturday, Feb 12, 2005 at 20:31

Saturday, Feb 12, 2005 at 20:31
3l are renowned for cracking heads.
AnswerID: 98050

Follow Up By: Hot & Perplexed - Saturday, Feb 12, 2005 at 21:34

Saturday, Feb 12, 2005 at 21:34
Motor recently stripped downand rebuilt, head went through a complete test and reset of valves and came through with flying colours.
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FollowupID: 356593

Follow Up By: fisho64 - Sunday, Feb 13, 2005 at 08:45

Sunday, Feb 13, 2005 at 08:45
I thought it was the 2L for head cracking? If not why is it so common to replace the 2L with a 3L item??
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FollowupID: 356624

Follow Up By: member-Diamond(vic) - Sunday, Feb 13, 2005 at 20:10

Sunday, Feb 13, 2005 at 20:10
i cant help with why people swap all i know is the other week when i did a change over job on a 3l our engine suplier asked we check the head for damage because its pretty common and then if it was ok there would be no penalty on the head.
cheers
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FollowupID: 356679

Reply By: Member- Peter & Mrs Peter, Lez - Saturday, Feb 12, 2005 at 22:41

Saturday, Feb 12, 2005 at 22:41
Had similar problem years ago, replaced the radiator with a new one. Problem solved.
Cheers Peter
AnswerID: 98069

Reply By: fisho64 - Sunday, Feb 13, 2005 at 08:48

Sunday, Feb 13, 2005 at 08:48
Take it to a decent radiator place, but unfortunately, like battery places first thing they say is "put a new one in!" then they look further. Black smoke, if its not turbo'ed can also be low compression
AnswerID: 98095

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