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04-22-2013, 03:32 PM
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#1
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Junior Member
Join Date: Apr 2013
Posts: 1
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brake pedal hard to push
I have a 94 chevy chassie made by bayport my brake padel is very hard to push to stop the camper and the brake pads and shoes are good help
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04-22-2013, 03:49 PM
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#2
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Senior Member
Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 19,925
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First I'd try lubricating the pivot points on the brake pedal. If that doesn't help, next I'd think about replacing the master cylinder. If pads and shoes are good and not frozen in place, that's about all that's left except for swollen brake lines, but they generally only cause problems retracting after application of the brakes.
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Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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04-22-2013, 03:50 PM
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#3
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Senior Member
Join Date: Oct 2012
Posts: 2,328
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I'd have a mechanic check the vacuume assist on the master cylinder.
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Paul, Kathy, and Tux the Mini Schnauzer
2014 Tiffin Phaeton 42 LH, 2013 Honda CRV
"When the time comes to look back, make sure you'll like what you see"
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04-22-2013, 08:06 PM
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#4
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Senior Member
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Feb 2000
Location: San Jose, Ca, USA
Posts: 2,698
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At one time we had a 1991 F350 truck with the diesel engine. It had a separate vacuum pump for the brakes. That pump went out one day and stopping that truck was like stopping a freight train - both feet on the brake pedal, pretty much standing up on the pedal. A new vacuum pump solved the problem.
If yours is run off engine vacuum I'd check all the vacuum lines between the manifold and the brake booster...
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Alan Hepburn - San Jose, Ca
2007 Bounder 35E being pushed by a 2020 Jeep Gladiator Sport S or a 2022 Jeep Wrangler Unlimited (JLU) Sport S
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04-22-2013, 08:31 PM
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#5
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Community Administrator
Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Sep 2010
Location: Marquette, Michigan "Da UP" & Lehigh Acres Florida
Posts: 21,827
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John & Cathy R.
06 Pace Arrow 38L Workhorse W24
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04-23-2013, 02:11 AM
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#6
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: Sep 2007
Posts: 2,976
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Quote:
Originally Posted by gary5cc
I have a 94 chevy chassie made by bayport my brake padel is very hard to push to stop the camper and the brake pads and shoes are good help
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i suggest you install stainless steel braided brake lines after checking all the things that others have said in this thread. 
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01 WINNEBAGO 35U W20.8.1L 5sp allison SW Wa,. Good Sam, SKP. RVM 198 AMSOIL fluids. BANKS ecm program. SCAN GAUGE II w/ Ally temp. 2 LIFELINE GPL-6CT AGM Batts on their sides. Michelins, TST tptts. K&N panel air filter. AERO mufflers. TAYLOR plug wires. ULTRA POWER track bar. KONI fsd shocks, toad '21MB GLA FWD on dolly 
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04-23-2013, 10:32 AM
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#7
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Member
Winnebago Owners Club
Join Date: May 2011
Posts: 83
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Chevrolet chassis? You most likely have Hydro-Boost brakes, which use the power steering pump to supply boost pressure, instead of vacuum. Make sure your power steering belt is in good condition and not slipping. Issues with the power steering belt and/or pump can affect braking performance.
If your power steering is sluggish, heavy, or makes the belt squeal, change the belt and get it tightened to spec, then re-test the brakes. Both systems are interrelated.
Once the power steering system is verified in good order, move on through the brake system.
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Eric & Holly + 2 kitties from New Hampshire
1992 Winnebago Adventurer 32'
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04-23-2013, 04:26 PM
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#8
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Senior Member
Join Date: May 2012
Location: Spring Valley AZ
Posts: 1,226
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Quote:
Originally Posted by AdvntureCats
Chevrolet chassis? You most likely have Hydro-Boost brakes, which use the power steering pump to supply boost pressure, instead of vacuum. Make sure your power steering belt is in good condition and not slipping. Issues with the power steering belt and/or pump can affect braking performance.
If your power steering is sluggish, heavy, or makes the belt squeal, change the belt and get it tightened to spec, then re-test the brakes. Both systems are interrelated.
Once the power steering system is verified in good order, move on through the brake system.
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Yes on this.
I replaced the HB unit, got better but then saw some oil on the inside rear tire. Bad seal, replaced seal and shoes both side, have good brakes now!!
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Don, Mary and Spooky
'00 Bluebird Skoolie Conversion
Geo Tracker/Dodge Neon/Aprilia Scooter towed
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04-23-2013, 07:51 PM
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#9
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Member
Winnebago Owners Club
Join Date: May 2011
Posts: 83
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Quote:
Originally Posted by DonDee
Yes on this.
I replaced the HB unit, got better but then saw some oil on the inside rear tire. Bad seal, replaced seal and shoes both side, have good brakes now!!
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Yep, HydroBoost can put out some serious pressure -- enough to reveal any other weak spots once the booster operation is up to par! 
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Eric & Holly + 2 kitties from New Hampshire
1992 Winnebago Adventurer 32'
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04-30-2013, 08:14 AM
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#10
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Senior Member
Join Date: Sep 2011
Location: Arkansas
Posts: 2,500
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If the OP is saying it takes a lot of pedal pressure to stop the coach, (not just hard to push the pedal), then ours is the same way . (1995 P32) Or it seems to me it takes a lot of foot on the pedal... Driving a truck, I'm used to increased stopping distance,,, but I figure you are on (or past) the limit of safe braking on some of these rv's... Am I wrong ??
Monkey
__________________
Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS
1ST CAV
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04-30-2013, 08:26 AM
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#11
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Senior Member
Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 19,925
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Quote:
Originally Posted by monkey
If the OP is saying it takes a lot of pedal pressure to stop the coach, (not just hard to push the pedal), then ours is the same way . (1995 P32) Or it seems to me it takes a lot of foot on the pedal... Driving a truck, I'm used to increased stopping distance,,, but I figure you are on (or past) the limit of safe braking on some of these rv's... Am I wrong ??
Monkey
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I think you're wrong! Brakes are sized for the weight and size of the vehicle, they should still stop you in a safe distance. I've driven many large vehicles and standing on the brakes should make the wheels lock and the tires smoke. Sounds like you've got issues. Could be bad power brakes, glazed linings, air in hydraulic line, etc. I'd get it checked. Stopping can be important.
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Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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