| HELP NEEDED-Stranded on the Road [message #369081] |
Sun, 13 March 2022 15:28  |
TR 1
Messages: 348
Registered: August 2015
Location: DFW
Karma: -7
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Senior Member |
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So we are on the road for a spring break trip at a gas stop. I went to check the oil, and was greeted by the dreaded milkshake of coolant in the oil. No oil in the coolant I can see. We are in Plains, TX, which is pretty desolate.
Here’s a brief history of the mechanics of the coach recently:
I had changed out the heads last year due to a burnt valve, and drove the coach on several trips since then(including one to Florida from Texas in the middle of summer with only one issue. The coach chucked a belt on the Florida trip, which jammed the water pump briefly. I was able to stop it immediately before it overheated. I replaced the belt with the proper sized one on the road. All seemed fine at that time so I continued with the trip.
Before our current trip, I decided to change out the water pump and fan clutch as a precaution from the trauma from the thrown belt. All went well with the water pump swap and the coach ran fine for about 500 miles since then. Till now, of course.
My thoughts are (assuming nothing is cracked) intake manifold gasket leaking water into the valley... But would welcome any advice from the gurus on this site. Soonest the local auto parts store can get the intake gasket here is Wed, so thinking of buying some gasket material and cutting one out just to get us home. Then change the oil several times and hope for the best. We have a Jeep dinghy at least... But wife and 2 kids are less than thrilled.
PO had used grade 8 manifold bolts, which I reused on the head swap. Have since learned this is not a good idea, but had not changed them out as everything seemed fine.
Definitely changing them now. Any advice on how to best seal up the manifold, if that is indeed the issue? Appreciate any of advice or suggestions
Mark S. '73 Painted Desert,
Manny 1 Ton Front End,
Howell Injection,
Leigh Harrison 4bag and Rear Brakes,
Fort Worth, TX
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| [GMCnet] Re: HELP NEEDED-Stranded on the Road [message #369087 is a reply to message #369085] |
Sun, 13 March 2022 17:50  |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Must have overheated the engine without knowing that the standard temp gage
will never go past half mark and kept driving.
My experience with customers.
Call me and I will advise you.
On Sun, Mar 13, 2022 at 3:11 PM Matt Colie wrote:
> Update,
>
> Plains Texas is south-west of Lubbock at the junction of 82 & 380.
>
> His current plan is to limp the coach to an RV park less that a mile aware
> and use the towed to take the family home.
>
> He has a cell two hundred two, two hundred seventy, eighty fifty nine.
>
> His spirit is still good.
>
> Matt - a beneficiary of the black list a couple of times.
> --
> Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL,
> GMCES
> Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum
> Brakes with Applied Control Arms
> SE Michigan - Near DTW - Twixt A2 and Detroit
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
>
--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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GMCnet mailing list
Unsubscribe or Change List Options:
Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: HELP NEEDED-Stranded on the Road [message #369088 is a reply to message #369081] |
Sun, 13 March 2022 18:05 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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Senior Member |
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Is the coolant low? Are you sure it’s not just combustion water from some short trips and stuck open thermostat? I’d look in the overflow for level, and in in actual radiator. Then pull the oil plug and see what comes out. I’d say if not bad I’d Barsleak it and see what happens. Just to get to somewhere with a good shop.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: HELP NEEDED-Stranded on the Road [message #369090 is a reply to message #369081] |
Sun, 13 March 2022 20:05 |
TR 1
Messages: 348
Registered: August 2015
Location: DFW
Karma: -7
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Senior Member |
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Thanks to all especially Matt who super-sleuthed my phone number.
Jim: VDO gauge. Did slightly overheat to 230 before I identified a problem with my upper rad hose sucking closed. Could, be due to the heat, but that was 500-1000 miles ago.
John: yes, for sure... overflow empty... Milkshake in the breather, too
Mark S. '73 Painted Desert,
Manny 1 Ton Front End,
Howell Injection,
Leigh Harrison 4bag and Rear Brakes,
Fort Worth, TX
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| Re: HELP NEEDED-Stranded on the Road [message #369399 is a reply to message #369090] |
Wed, 06 April 2022 21:36 |
rickmike
Messages: 252
Registered: September 2011
Location: United States
Karma: 0
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Senior Member |
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Upper radiator hose is on the pressure side of the water pump not the suction side.
How can it be sucked in? Is something putting suction on the whole coolant circuit?
Rick M.
1974 26' Canyonlands
aka "The General"
Clinton, TN
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| Re: HELP NEEDED-Stranded on the Road [message #369407 is a reply to message #369399] |
Thu, 07 April 2022 11:29 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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When the engine cools down, the coolant contracts providing negative pressure on the whole system and sucking in replacement coolant from the overflow container. They do make some hoses with an internal stiffening wire to prevent that.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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