Another Coolant and Egt ?
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Joined: Dec 2003
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From: hondo
Another Coolant and Egt ?
Yesterday afternoon
This morning
Gentlemen,
Last year I flushed my system as described in the tech folder and then had a reputable shop replace the oil cooler. Also had a coolant filter installed. I'm starting to get a little worried. On my home from work, a 45 minute drive at hwy speeds, eot has been as high as 219 and my coolant temp at 203. Outside temps have been at 100*. My morning drive to work when outside temps are in the 70s my temps are pretty normal. Temps cool down quickly when I slow down. Should I be worried about it? Another oil cooler? I'm really missing my 7.3. Is there anything else that I should address?
thanks
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From: hondo
how do I check my fan speed? I noticed that fan speed got as high as 1800 rpms when I was slowing down but when the temps were at its highest the fan speed was in the 4 and 500s
Posting Guru
Joined: Mar 2014
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From: Salt Lake City, utah
Is your EGR valve still plugged in? If it were me I would judge the cooler condition on your 70* drive in the morning. Keep it steady 65-70mph for 20 minutes then post the results. With it being over 100* with the A/C on road heat etc it will be hard to keep it cool. I would guess your 1800 rpm fan speed was from a stop and start. My fan doesn’t get much over 500-600 on the freeway.
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From: hondo
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Fleet Owner
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From: Spanaway
^^^^^ What he said ^^^^^
Also what year is the truck? Your profile has a 1999 in it.
Posting Guru
Joined: Mar 2014
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From: Salt Lake City, utah
Might be time to backflush the cooler. If it’s not that old it could still be salvageable. I run a 200* mishimoto thermostat and run 200 ect and 206 eot at times but I know I have a 8-10* spread with a 192* thermostat. So mine time is coming.
Fleet Mechanic
Joined: Feb 2007
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From: Mooresville, NC
OP -- you're on the ragged edge regarding deltas. What oil cooler was installed? (Quite a few shops put the non OEM versions in and they're only good for a year or two). Not sure of your year, but the turbo drain tube may have some "kinks" in it -- aftermarket have versions with cleaner radius designs to help flow...................
FiznUKa has some great recommendations, plus I've been using CAT ELCs in my diesels -- mucho better than anything Ford or the local parts folks supply....................
FiznUKa has some great recommendations, plus I've been using CAT ELCs in my diesels -- mucho better than anything Ford or the local parts folks supply....................
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From: hondo
If I go with a Misimoto t-state, should I go with the low temp one being in the south? Hotter temps.
Appreciate everybody advice, Thanks.
I just talked to the shop that replaced it. It has a 2 yr parts warranty and a 1 year labor warranty. It was replaced April 17 2017.
Gilbert
Appreciate everybody advice, Thanks.
I just talked to the shop that replaced it. It has a 2 yr parts warranty and a 1 year labor warranty. It was replaced April 17 2017.
Gilbert