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Thread: Broken Heater hose restrictor
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05-28-2015, 10:00 PM #1LTX Member
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- Pete Birrell
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Broken Heater hose restrictor
On my way to work today my Impala SS started steaming. When I pulled it over to the roadside, the plastic restrictor on the heater hose had broken and coolant was dumping on a header pipe. I made one of the heater hoses recirc at the water pump and got it home about 5 miles away.
It appears that both hoses are an assembly with a bracket connecting them and the restrictor is built into one end. Does the restrictor serve any real purpose?
Pete1996 Impala SS, LT1, Edelbrock headers, MSD, K&N, 1962 Pontiac, LT1 4L60E swap
1956 Ford Victoria, '95 Vette Lt1, GM Perf. Parts intake, Holley Ultra 750, GM Hot Cam,
1978 Malibu 400 sbc ( collecting pieces for LT1/4l60E swap)
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05-28-2015, 10:16 PM #2Xtreme Member
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Supporting MemberNo, cut it out. I have cut them out of multiple cars no issues. Especially if you run a 160 stat, you will actually have heat if you remove it
2021 Charger Scat 392
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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05-28-2015, 11:55 PM #3Banned
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They are typically there for NVH concerns in cars so you dont hear a waterfall in your dash. Several OEMS have TSBs that add them after the fact for it. No point in spending the money if you listen to the radio at any volume lol
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05-29-2015, 06:25 AM #4LTX Member
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Thanks for the comments. One less thing to find. I'll just replace the hoses.
1996 Impala SS, LT1, Edelbrock headers, MSD, K&N, 1962 Pontiac, LT1 4L60E swap
1956 Ford Victoria, '95 Vette Lt1, GM Perf. Parts intake, Holley Ultra 750, GM Hot Cam,
1978 Malibu 400 sbc ( collecting pieces for LT1/4l60E swap)
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05-29-2015, 06:54 AM #5
Actually, you can get a replacement restrictor from Oreilly, its a universal part it's not LT1 specific. I'll see if I can find the part # there only about $10 bucks. they will save your heater core if you get a little throttle happy before the thermostatt opens. actually it is by application, they call it a control valve. here is a link http://www.oreillyauto.com/site/c/se...+control+valve
Last edited by superspirit; 05-29-2015 at 06:58 AM.
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05-29-2015, 07:49 AM #6Xtreme Member
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Supporting MemberHeater core isn't gonna blow unless it's already compromised, if you run a 160 stat or an electric water pump you have nothing to worry about.
2021 Charger Scat 392
1994 Firebird Formula 381 stroker - Carrying the torch! - 9.90 @ 134.3mph on a 200 shot
The wrench/driver for LTConvert's 94 Z28- Ellwein 383/LE Trickflows/ D1SC / CPT Ultra Pro Race 4L60E
10.78 @ 125mph. Shooting for 9.99 for Frank Cahall!
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05-29-2015, 10:01 AM #7Xtreme Member
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I put the one in from O'Reilly... started leaking again. Had to replace entire heater hose assembly...
I'd just throw one it and keep an eye on it
14.307@98.21, 2.155 60'
97 Z28, M6 with stuff done to it. SHOOTING FOR 12s IN A BOLT ON LT1 BOYS
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05-29-2015, 01:43 PM #8
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