Coolant leak, Cab off AGAIN! - Ford Powerstroke Diesel Forum
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post #1 of 10 Old 05-13-2010, 03:00 AM Thread Starter
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Coolant leak, Cab off AGAIN!

I have an ever increasing coolant leak from the pass. side of the engine compartment.......

I have the Full EGR delete, BOV, etc, etc. ANy one have any ideas on what could be leaking from the pass. side.

I go through 1 gallon of coolant in 100 miles....

Thanks

Mike

08 F-350 CC DUALLY LARIAT
6.4 LITER DIESEL

Soon for sale, all stock.
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post #2 of 10 Old 05-13-2010, 03:34 AM
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Possibly the heater return tube. It is plastic, runs down the passenger side of the engine, and is very easy to break. Also it can be a PITA to change.

-John
Rudy's Diesel Performance - 919-383-9300 - Diesel Tech

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post #3 of 10 Old 05-13-2010, 06:21 AM
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That coolant line may also seem to be leak free until under pressure, then you will see a hairline crack develop and ooze coolant. That would for sure be the first thing I would look at. Other than that line, there are not many places for coolant to leak on the passenger side of the motor. Good luck with it!

Also, that line can be changed without removing the cab.... just a thought!
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post #4 of 10 Old 05-13-2010, 07:59 AM
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Ouch. Sorry to hear the news.

2008 FX4

Fabtech 8 w/37's

Intake, delete pipe/exhaust, Spartan/KEM tuning

567 RWHP/1128 RWTQ

13.3 @ 103.9 MPH
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post #5 of 10 Old 05-13-2010, 10:35 AM Thread Starter
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Quote:
Originally Posted by H&S Tech View Post


That coolant line may also seem to be leak free until under pressure, then you will see a hairline crack develop and ooze coolant. That would for sure be the first thing I would look at. Other than that line, there are not many places for coolant to leak on the passenger side of the motor. Good luck with it!

Also, that line can be changed without removing the cab.... just a thought!
Thanks for the info!

I will check this out by removing the inner fender......

Mike

08 F-350 CC DUALLY LARIAT
6.4 LITER DIESEL

Soon for sale, all stock.
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post #6 of 10 Old 05-13-2010, 11:51 AM
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My heater hose came off its on the passenger side next to the dash.
Thanks Dale

Spartan tuned 6.4 F-250 c/c shortbox\thumb:20'' wheels BFG 285tires.All tunes! dpf delete mbrp 4'' single 6''tip afe intake Elite head studs NX Express 774.7 Hp 1441.5 torque best time 12.1510 at 109.36
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post #7 of 10 Old 05-14-2010, 01:44 PM
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You should be able to see it without removing the fender. just remove the airbox or whatever you have and you can see the line and inlet to the core
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post #8 of 10 Old 05-14-2010, 04:02 PM
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First Ford is correct. I had to put mine back on in a grocery store parking lot and didnt have the tools to take out the air box. Taking out the air box will be much easier than not.
Thanks Dale

Spartan tuned 6.4 F-250 c/c shortbox\thumb:20'' wheels BFG 285tires.All tunes! dpf delete mbrp 4'' single 6''tip afe intake Elite head studs NX Express 774.7 Hp 1441.5 torque best time 12.1510 at 109.36
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post #9 of 10 Old 05-16-2010, 04:53 PM Thread Starter
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Thanks everyone for the info! I really REALLY appreciate all the feedback!

It was a heater hose! Under warranty! NICE!!!! First warranty item on the truck covered!

I will pick it up tomorrow, then hopefully the Spartan 350 tune and some track time this week.....

Mike

08 F-350 CC DUALLY LARIAT
6.4 LITER DIESEL

Soon for sale, all stock.
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post #10 of 10 Old 05-16-2010, 04:55 PM
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Glad you got it taken care of it. Keep us posted!

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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