Question about Polaris 280 In - Ground Pool Cleaner with Booster Pump

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How do I test the booster pump? - Polaris 280 In - Ground Pool Cleaner with Booster Pump

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If you disconnect your hose at one of the first swivels and turn the pump on you should get a stream of water from the hose about twelve feet across the pool. If not you may have pump trouble but first make sure that the finger screen just inside the wall is clean.

Posted on May 16, 2010

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Posted on Jan 02, 2017

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Why does " service brake booster" light always on??


SERVICE BRAKE BOOSTER
Refer to Brake Warning System Description and Operation in Hydraulic Brakes

SERVICE BRAKE BOOSTER
The SERVICE BRAKE BOOSTER message will be displayed when the supplemental brake assist signal circuit is toggled at 1.0 Hz with a 50 percent duty cycle. This message is also displayed if the instrument panel cluster (IPC) does not see an alive and well signal at key on. When this message is displayed it indicates a problem with the SBA and should be serviced or replaced.

How do the power brakes work ? Good .?

Service Brake Booster Message Displayed
Step
Action
Yes
No
Schematic Reference: Brake Warning System Schematics
1
Did you review the Brake Warning System Description and Operation and the Brake Assist System Description and Operation and perform the necessary inspections?
YES - Go to Step 2
NO - Go to Symptoms - Hydraulic Brakes
2
Start the vehicle.
Is the REDUCED BRAKE POWER message displayed for 1 minute before the SERVICE BRAKE BOOSTER message is displayed?
YES - Go to Step 3
NO - Go to Step 4
3
Perform the Brake Assist System Diagnosis
Did you find and correct the condition?
YES - Go to Step 12
NO - Go to Step 11
4
Disconnect the Supplemental Brake Assist connector.
Test the ignition 1 circuit for an open or a short to ground.
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 12
NO - Go to Step 5
5
Test both ground circuits for opens.
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 12
NO - Go to Step 6
6
Test the engine on signal circuit for an open or a short to ground.
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 12
NO - Go to Step 7
7
Test the vehicle speed signal circuit for an open.
Did you find and correct the condittion?
YES - Go to Step 12
NO - Go to Step 8
8
Test the supplemental brake assist signal circuit for an open or a short to voltage.
Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 12
NO - Go to Step 9
9
Connect the supplement brake assist connector.
Disconnect the instrument panel cluster connector.
Connect a DMM from battery positive voltage to the supplemental brake assist signal circuit.
Turn the ignition to the RUN position while observing the DMM.
Did the DMM flash battery voltage?
YES - Go to Step 11
NO - Go to Step 10
10
Replace the Supplemental Brake Assist pump motor assembly Refer to Power Brake Booster Auxiliary Pump Replacement .
Did you complete the replacement?
YES - Go to Step 12
--
11
Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages and Console.
Did you complete the replacement?
YES - Go to Step 12
--
12
Start the engine.
Does the Service Brake Booster message stay on?
Go to Step 2
System OK

Dec 25, 2016 | Cars & Trucks

1 Answer

What are symptoms for bad brake booster on 1998 Dodge Ram 1500?


Hard brake pedal when applied with the engine running. A quick test for the vacuum assist booster is to shut off engine, pump brake pedal 3 or 4 times and hold on the last pump, start engine and see if pedal drops a bit....if you detect a problem with booster you should check for adequate engine vacuum supply to booster when idling . You can sometime hear a hissing or air leaking when applying brake pedal with engine running if booster is defective

Jul 15, 2014 | 2001 Dodge Ram Pickup 1500

2 Answers

How do you know that a brake booster is bad?


Booster problems are rare but they do go bad sometimes.
A bad booster generally causes the brake pedal to feel hard to push down, and a lot of pressure on the brake pedal is required to make the car stop.
Rarely, a vacuum brake booster will develop a vacuum leak, which can cause engine performance problems, hissing or whistling noise, as well as requiring increased pressure on the brake pedal to stop.

The first test:
With the vehicle parked, turned OFF, and the parking brake set, pump the brake pedal 5 to 6 times. If the pedal gets harder to push after several times, your booster is probably good.

The second test (To make sure):
After the test above, without making any changes, press and hold the brake pedal with light to moderate pressure.
Now with your foot still on the brake pedal, start the vehicle.
If the booster is good, you will feel the pedal go down when the engine starts.

Hope this helps!

Jun 21, 2014 | 1993 Cadillac DeVille

2 Answers

Brakes are hard to depress causing stopping problem


1: inspect all brake linings first.
no pulling left or right braking?
the car has 100% full manual brakes. if the brake booster fails.
(its only and assist !!! for 50lb small folks)
so does it? it takes more pedal pressure but has 100% full braking.
this is no accident its by design.
make sure none of the brake shoes/pads are soaked in DoT3/4 fluid
or grease or gear oil.
and no brake fluid leaks end to end, this is really #1 on all cars.
look, then look again. even behind and in front of the master cylinder.
look at tires (inside for fluid leaks>)
2: do the booster test. did the vacuum hose to it fall off?
or got pinched, or ?

google brake booster test
if ABS system. get it all checked,
if ABS get the ABS scanned.

if you cant stop correctly,,,,???? , dont drive.
get it fixed.

May 06, 2014 | 1999 Jeep Wrangler

1 Answer

Yukon 2007 brake booster


Simple test for brake power booster... pump brake pedal two or three times,while holding brake pedal down start the vehicle up.The brake pedal should drop if the booster is working properly :)

Apr 14, 2014 | GMC Yukon Denali Cars & Trucks

1 Answer

How to test brake booster


Easiest way to check your brake power booster...before starting vehicle pump brake pedal and hold,start the vehicle, the brake pedal should drop when vehicle starts up.It functions on the engines vacuum.If it does not drop,you either have a serious vacuum issue or the brake booster diaphragm has failed.

Apr 07, 2014 | 1996 Chevrolet Blazer

1 Answer

Brake booster appears not to be working properly. brakes work ok for 1 or 2 apps then pedal gets hard. cannot hear any vacume leaks. the car does have a vacume switch in the booster


the booster is the problem, or a hole or leak in vacuum line to booster check the check valve also ! from manifold. heres the symtoms of a bad brake booster. primary symtom is a hard pedal on application, to test booster. pump brakes several times with engine off. to deplete stored vacuum. turn on engine with pushing slightly on brake pedal. you should feel the pedal fade away abit and then become firm. but not hard. if you feel nothing at pedal when engine starts, brake booster is not working! check the vacuum lines first!!

Jun 11, 2011 | 1985 Pontiac 6000

1 Answer

My 2004 prius abs and brake light came on and the the brakes became very hard and constant beeeep noise, so i would shut the car off and pump the breaks and it would work fine so i decided to bleed the...


well, a hard firm pedal, usually indicates a bad brake booster or a vacuum leak to booster or the vacuum check valve, on booster. TO TEST BRAKE BOOSTER; pump brakes several times with engine off to deplete stored vacuum. turn on engine with pushing slightly on pedal. you should feel the pedal fade away a bit and then become firm, but not hard. if you feel nothing at the pedal when engine starts the booster is at fault. good-luck !!

Feb 03, 2011 | 2003 Toyota Prius

1 Answer

Brake peddle goes all the way to the floor. brake peddle will have pressure when the car is off, but when you turn it on brake peddle loses all pressure. how can i tell if its the master cylinder or the...


first make sure there are no brake fluid leaks, sometimes the steel lines get rotted and start leaking. to test the booster with the engine off pump brake pedal about 10 - 12 times on the last pump hold the brake pedal down and start the car if the booster is good the pedal will drop alittle.

Feb 02, 2011 | 1994 Oldsmobile Cutlass Ciera

1 Answer

Brakes go to the floor and the car run rough with...


Sounds like the Brake booster. There is also a valve on the vacuum line going to the booster. Its plastic and can crack and leak.

You can do a water spray test with a pump bottle. Spray the brake booster while the engine runs, spray the vacuum lines and the fittings. When the water is drawn into the engine it will change RPM or stall. The leak is where you sprayed to make the RPM change.

You will need to replace the defective part.

May 17, 2010 | Cars & Trucks

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