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 Re: Running hot - first gen 4cyl auto.
[Re: TainterRacing]
#896164
07/20/08 03:25 AM
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Joined: May 2002
Posts: 1,085
OP
Body Damage is Cool
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No cat - never had one (at least not while I had it) - major exhaust leak where the downpipe hooks to the exhaust that goes out the back - that couldn't cause problems,could it?
1987 Raider 2.6L Auto -- rebuilt, by hand, by me -- Bouncy Seat/LSD/Aisin Hubs -- CB/Whip Antenna --Jensen Stereo -- Fire extinguisher .
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Re: Running hot - first gen 4cyl auto.
[Re: fasteddy]
#896165
07/20/08 03:28 AM
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Joined: May 2002
Posts: 1,085
OP
Body Damage is Cool
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I've thought of the torque, I guess I'll visit that soon.
2 row radiator.
Plugs look good - nothing out the back. (see above about the defroster smell).
Thanks!
Lee
1987 Raider 2.6L Auto -- rebuilt, by hand, by me -- Bouncy Seat/LSD/Aisin Hubs -- CB/Whip Antenna --Jensen Stereo -- Fire extinguisher .
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Re: Running hot - first gen 4cyl auto.
[Re: 1987Raider]
#896166
07/20/08 03:37 AM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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Checked the fan clutch, it's only a few months old - stopped immediatly when dead cold. Now check it when it's hot. Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: Running hot - first gen 4cyl auto.
[Re: FrankR]
#896167
07/20/08 02:48 PM
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Joined: May 2002
Posts: 1,085
OP
Body Damage is Cool
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With the engine fully warmed (but not into the "running hot" situation I'm asking about) the fan turns 3-4 complete revolutions after the engine is shut off.
Been out since 6:00a.m. working on the truck, going back as soon as I grab a bite to eat. More later.
Lee
1987 Raider 2.6L Auto -- rebuilt, by hand, by me -- Bouncy Seat/LSD/Aisin Hubs -- CB/Whip Antenna --Jensen Stereo -- Fire extinguisher .
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Re: Running hot - first gen 4cyl auto.
[Re: 1987Raider]
#896168
07/20/08 03:55 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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Check it when the engine is in the "hot" zone. It should lock up. If not, the coil isn't allowing full hookup.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: Running hot - first gen 4cyl auto.
[Re: 1987Raider]
#896169
07/20/08 04:55 PM
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Joined: Apr 2004
Posts: 183
Wheeler
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My 86 used to run hot, until I took out the 2- row and installed the original 3- row. Now it runs like it did 10 years ago.
Tom Tucker
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Re: Running hot - first gen 4cyl auto.
[Re: FrankR]
#896170
07/20/08 05:13 PM
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Joined: Dec 2004
Posts: 5,231
Trail Leader
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Check it when the engine is in the "hot" zone. It should lock up. If not, the coil isn't allowing full hookup.
Frank Oh crap...I wasn't thinking about that clearly. Yeah, it should lock up when the engine's warm/hot and be loosey-goosey when the engine's cold. My bad.
?_________ |_|_|\____\___ l-----[O]≡≡≡≡[O] ()_)()_)-----)_) Stay the Trail! 
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Re: Running hot - first gen 4cyl auto.
[Re: CapnCrunch]
#896171
07/20/08 06:55 PM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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Actually, you were partly correct. It should be stiff when cold - otherwise, the fluid has leaked out. When cold, you shouldn't be able to spin it.
But as the fluid warms up, the fan will spin a little easier until the coil locks the clutch.... which allows a gradual engagement depending on temperature. If the coil goes bad, the fan will spin when hot even when it's full of fluid.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: Running hot - first gen 4cyl auto.
[Re: FrankR]
#896172
07/21/08 04:16 AM
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Joined: Dec 2004
Posts: 5,231
Trail Leader
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I was thinking one should be able to spin the fan easier by hand when the engine was cold, the purpose of the slippage being to allow the engine to warm up, and once warmed up the clutch should lock up allowing more cooling airflow. I guess it's been a while since I gave my fan a spin by hand. ![[Linked Image]](http://www.fivethirty.com/images/shrug.gif)
?_________ |_|_|\____\___ l-----[O]≡≡≡≡[O] ()_)()_)-----)_) Stay the Trail!
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