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10-02-2017, 10:09 AM
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#1
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Senior Member
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 3,369
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Rescue mission
I may be going to pick up a 1999 P32 based Coachmen motorhome this weekend. The fuel pump is thought to be bad. It starts and runs, but not for long. It's 900 miles away from home.
I can load up my truck with just about anything I think I might need. If it is indeed the fuel pump, I'm thinking about either an inline pump or a pump fed from the generator pickup to get it home. But I'd like to have other parts ready to try if it isn't the pump.
Which brings me to my question. What website or other method is a reliable way to know what parts it needs? Does Rock Auto's listing for "P30" shown for 1999 work? I'm particularly interested in getting the proper intank pump (might not need it for a roadside fix, but might have to do it later), fuel filter, cap, rotor, and a few other basic spark and fuel kinds of parts that could have stranded it.
And, what do folks here think? It has 22,000 miles. yes just 22,000. Current owner (friend) has put 5000 miles on it this summer, 2500 is just the last week or two. Acts like a dead pump. Cool fuel added and it ran a bit longer. But the tach dies when it dies too, making me think it could be ignition. But, almost every one of these cases you hear about online is a pump.
No matter what, it's probably going to be an interesting weekend.
__________________
Tim.
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10-02-2017, 11:12 AM
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#2
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Jun 2008
Location: Glendora Ca.
Posts: 1,588
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Not sure but P-32's had ignition switch overheat problems. I would look it over very carefully.
Mike
__________________
2004 Monaco Monarch
Blueox, SMI, 1990 Wrangler YJ
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10-02-2017, 11:33 AM
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#3
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Senior Member
Tiffin Owners Club Workhorse Chassis Owner
Join Date: Dec 2010
Location: Northern Virginia
Posts: 1,499
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Fuel filter is on the frame - located on passenger side between
Autopark box and fuel tank.
That's a solid engine (454 L29) and xmission (4L80 Hydromatic).
It might be on a 1998 GM chassis, but the 1999 Workhorse should be identical.
Chassis weight is also important to know (12,500, 14,500 or 16,500 for that year I think).
__________________
Tom and Amy from Northern Virginia.
2000 Allegro 454/Workhorse P32/TST/Crossfire
Life is a DIY project, so own less and live more
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10-02-2017, 11:43 AM
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#4
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Senior Member
Tiffin Owners Club Workhorse Chassis Owner
Join Date: Dec 2010
Location: Northern Virginia
Posts: 1,499
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__________________
Tom and Amy from Northern Virginia.
2000 Allegro 454/Workhorse P32/TST/Crossfire
Life is a DIY project, so own less and live more
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10-02-2017, 01:46 PM
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#5
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Senior Member
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 3,369
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Great info.
I haven't worked on a GM/Workhorse chassis in years. If it was a Ford I'd have known right where to look for stuff.
Hmmm, ignition switch, I recall reading about that. That would make the tach go dead too. Might have to grab one to take with us.
Looks like a 1999 chassis, 1GBLP37J8X3302870. Not exactly sure if its a Chevy or Workhorse (not that it matter too much). Was 1999 100% Workhorse?
Ahh, found it in the GM system, built October 29, 1998. Looks like it's a Chevy officially.
__________________
Tim.
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10-02-2017, 03:13 PM
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#6
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Senior Member
Monaco Owners Club Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 13,138
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Let us know how you make out. Good luck!!!
__________________
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS
Criticism is easier than Craftsmanship
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10-02-2017, 04:57 PM
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#7
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Senior Member
Join Date: Feb 2003
Location: Jarrell, TX 76537
Posts: 4,501
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Me.... I would walk. Brakes can be a problem... Ignition switch overload.. The is cure for this. Suspension.. Air bags/bell cranks
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Dale
AKA - Oemy
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10-02-2017, 05:42 PM
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#8
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Senior Member
Join Date: Mar 2017
Posts: 698
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I've had very good luck using O'Reilleys when I had my P32 chassis coachs. Rebuilt calipers are less than a hundred bucks a piece. Don't know for sure what size the pickup is for the generator, but I doubt it will be large enough. That's a MFI engine and will need more fuel pressure than a TBI. A couple floor jacks and a couple 2x6 boards for dropping the tank. Ignition switches are cheap, and not hard to replace. Didn't think the P chassis had the brake problem.
__________________
1996 Challenger 313
2003 Dolphin 5320 sold
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10-02-2017, 06:16 PM
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#9
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Senior Member
Tiffin Owners Club Workhorse Chassis Owner
Join Date: Dec 2010
Location: Northern Virginia
Posts: 1,499
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It doesn't have the Bosch brake problem, but if the brake fluid wasn't changed every 3 to 5 years the brake calipers may stick due to corrosion. It's about $2000 to have a truck shop replace all 4 calipers and rotors (I replaced mine).
The air bags are cheap if they won't hold about 70PSI ($100) and is a DIY project - no special tools but some cuss words are required. If needed I have a good procedure.
Any motorhome will have it's issues - look at it as a hobby and prioritize your projects and never expect to get it all perfect. Try putting your house on a trailer and driving down the road at 60MPH and see how that holds up
__________________
Tom and Amy from Northern Virginia.
2000 Allegro 454/Workhorse P32/TST/Crossfire
Life is a DIY project, so own less and live more
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10-03-2017, 10:34 AM
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#10
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Senior Member
Join Date: Sep 2014
Location: Poulsbo, WA
Posts: 749
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Quote:
Originally Posted by tderonne
I may be going to pick up a 1999 P32 based Coachmen motorhome this weekend. The fuel pump is thought to be bad. It starts and runs, but not for long. It's 900 miles away from home.
I can load up my truck with just about anything I think I might need. If it is indeed the fuel pump, I'm thinking about either an inline pump or a pump fed from the generator pickup to get it home. But I'd like to have other parts ready to try if it isn't the pump.
Which brings me to my question. What website or other method is a reliable way to know what parts it needs? Does Rock Auto's listing for "P30" shown for 1999 work? I'm particularly interested in getting the proper intank pump (might not need it for a roadside fix, but might have to do it later), fuel filter, cap, rotor, and a few other basic spark and fuel kinds of parts that could have stranded it.
And, what do folks here think? It has 22,000 miles. yes just 22,000. Current owner (friend) has put 5000 miles on it this summer, 2500 is just the last week or two. Acts like a dead pump. Cool fuel added and it ran a bit longer. But the tach dies when it dies too, making me think it could be ignition. But, almost every one of these cases you hear about online is a pump.
No matter what, it's probably going to be an interesting weekend.
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Our previous coach was a P-30 454 which developed an ignition issue due to heat. All would be well for about 90 minutes of driving and then the ignition would shut off...total loss of power. No power steering, etc. Would turn the key off and back on and it would re fire and be good to go for a while longer. Turned out to be the ignition control module at the distributor which was easily accessible through the doghouse. Seems the heat would cause if to fail. Replace the module with a part from Autozone and was good to go until we sold the coach.
__________________
Bill and Debb---2010 CT Coachworks Siena 35V
1999 Jeep Cherokee Sport---Roadmaster Falcon 5250 -
1 Cavalon (Scooby) 1 Papipoo (Bella- DOB 5/06/18)
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10-07-2017, 02:56 PM
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#11
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Senior Member
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 3,369
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Rescue mission
Rescue in progress! If this was a game, no one would have won. I don't know why I didn't think of it before I drove it, but I knew right away what it was once I did. Crank sensor. Came out in pieces. New one installed. 1200 miles in the last 24 hours. 600 to go.
__________________
Tim.
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10-08-2017, 12:01 PM
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#12
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Senior Member
Join Date: Dec 2003
Location: Motor City, Mich
Posts: 3,369
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Got home about 4:00 this morning. 1800 miles in 35 hours. Fun trip. Sure glad the O'Reilly's down the street had a crank sensor in stock. Nice to be able to tow my truck home, driving two cars home would have stunk.
__________________
Tim.
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10-08-2017, 12:59 PM
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#13
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Senior Member
Join Date: May 2017
Location: Vancouver Wash
Posts: 7,227
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No pain, no gain!!!.....lol
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10-08-2017, 02:58 PM
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#14
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Senior Member
Join Date: Mar 2017
Posts: 698
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Quote:
Originally Posted by tderonne
Got home about 4:00 this morning. 1800 miles in 35 hours. Fun trip. Sure glad the O'Reilly's down the street had a crank sensor in stock. Nice to be able to tow my truck home, driving two cars home would have stunk.
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Now what are you going to do with it? Use it or sell it? I've had real good luck with O'Reillys getting most all my parts for my RVs and my autos.
__________________
1996 Challenger 313
2003 Dolphin 5320 sold
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