 995jim
"7th Year" Silver Supporting Member
Posts: 950
Loc: Ohio
Reg: 12-17-06
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10-08-24 08:32 AM - Post#2874508
Hi, any ideas what causes my newly installed hydroboost brake system resist on inital quick pump of the brakes ?
Fluid is at full level in ps pump and i assume it self bleeds with operation.
Thanks jim
Jim 
65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ |
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65_Impala
Very Senior Member
Posts: 5041
Reg: 12-29-02
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10-10-24 08:48 AM - Post#2874549
In response to 995jim
Is its return line Teed with the power steering return line?
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995jim
"7th Year" Silver Supporting Member
Posts: 950
Loc: Ohio
Reg: 12-17-06
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10-10-24 12:40 PM - Post#2874555
In response to 65_Impala
yes, is there another option? I just followed the install in instructions
Jim
65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ |
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65_Impala
Very Senior Member
Posts: 5041
Reg: 12-29-02
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10-11-24 09:16 AM - Post#2874574
In response to 995jim
You need a reservoir with 2 return fittings.
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995jim
"7th Year" Silver Supporting Member
Posts: 950
Loc: Ohio
Reg: 12-17-06
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10-11-24 01:01 PM - Post#2874577
In response to 65_Impala
any ideas on a reservoir that fits a 65 impala bracketry?
thanks jim
Jim
65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ |
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995jim
"7th Year" Silver Supporting Member
Posts: 950
Loc: Ohio
Reg: 12-17-06
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10-11-24 01:03 PM - Post#2874578
In response to 65_Impala
Or do I just tig weld a separate port in the back of the pump?
Jim
65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ |
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65_Impala
Very Senior Member
Posts: 5041
Reg: 12-29-02
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10-12-24 05:22 AM - Post#2874596
In response to 995jim
Either could work. A pump from a 80's or 90's pickup with hydraboost might work or be able to be made to work, I'm not sure.
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bobb
Super Senior Member
Posts: 6856
Loc: paradise
Reg: 09-05-03
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10-12-24 09:35 AM - Post#2874605
In response to 995jim
i dont see why the tee wont work. i would run the line straight into the top of the res to find out before doing all the work to get a 2 line reservoir.
| 70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails. |
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 acardon
Ultra Senior Member
Posts: 11512
Loc: DFW TEXAS
Reg: 03-25-05
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10-13-24 05:20 AM - Post#2874625
In response to 995jim
Hi, any ideas what causes my newly installed hydroboost brake system resist on inital quick pump of the brakes ?
Fluid is at full level in ps pump and i assume it self bleeds with operation.
Thanks jim
Usually T'ing into the return line will cause noise. The symptom doesn't sound like that's the problem. More like a brake issue instead of hydraboost. Maybe a caliper sticking or binding pedal link.
Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)
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995jim
"7th Year" Silver Supporting Member
Posts: 950
Loc: Ohio
Reg: 12-17-06
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10-13-24 03:14 PM - Post#2874659
In response to bobb
I took the car out today and hit the brake hard and what it did was pushed back out at my foot for a split second then went back down. Does that give any other clues? Normal foot pedal braking is fine.
thanks jim
Jim
65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ |
Edited by 995jim on 10-13-24 03:15 PM. Reason for edit: No reason given.
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