Top 20 1999 Chevrolet Express Questions & Answers


You can test right from the starter relay ,located in the under hood fuse relay box . You want to know if the starter is good or bad or if the control side is the problem . Turning the ignition switch to start sends B+ voltage to the park neutral safety switch an through the coil side of the starter relay to ground ,if the park neutral switch is good . Try moving the gear selector into neutral to see if it starts then .
Looking at a wiring diagram would be a good first step in the diagnostic process. Free wiring diagram's here http://www.bbbind.com/free_tsb.html Enter vehicle info year , make , model and engine size . Under system click on engine then under subsystem click on starting . Click the search button then the blue link . Pull the relay an look at the bottom , you will see four numbers . 30 - 87 & 85 - 86 . Take a piece of 12 gage wire ,jump where 30 an 87 plug into the relay socket . If the starter is it will spin the engine over .

1999 Chevrolet... | 647 views | 0 helpful votes


I would either check the prnd switch on the side of the trans or the VSS sensor on the tail stock or the pressure modulator for engine vaccum.

1999 Chevrolet... | 53 views | 0 helpful votes


PWR ACCY Fuse Breaker A
25A Located in the instrument panel fuse box.
I/P Fuse Box In the left lower kick panel
Power Seat(s), Illuminated Entry Module, Power Door Lock Switches, Remote Control Door Lock Receiver, Power Door Lock Control Module.

Do you have a problem with any of the other components listed ,if no the breaker is good .
Do you have

1999 Chevrolet... | 252 views | 0 helpful votes


The wiring. You need a multimeter to check the wiring.

1999 Chevrolet... | 470 views | 0 helpful votes


pull serp belt could be waterpump if it goes away look for bad part spin all pulleys by hand to see whats bad if you start it with no belt and it still knocks you killed motor get lookin for new one

1999 Chevrolet... | 276 views | 0 helpful votes


It will be expensive . go to the service dealer and purchase a key. then they will reprogram the key to the immobiliser in the car

1999 Chevrolet... | 48 views | 0 helpful votes


Inside the ac line where they join together,, look at the aluminum tube find where the join together should be i little fatter that the rest of the tube

1999 Chevrolet... | 275 views | 0 helpful votes


you cant miss the filter if you go under the van

1999 Chevrolet... | 106 views | 0 helpful votes


if doesn't engage because is out of freon or low pressure switch is not working or disconnected other then that clutch coil is not good or is disconnected

1999 Chevrolet... | 218 views | 0 helpful votes


you may broken a vaccuum hose coming from the engine on the right side of the car, the vacuum hose runs to the a/c dash switch
most the time the hose brake by front right side shock

1999 Chevrolet... | 53 views | 0 helpful votes


it should be on the hood on a sticker on the underside, if the sticker is gone then look in a Chiltons repair manual at a auto parts store like autozone

1999 Chevrolet... | 84 views | 0 helpful votes


you need to have a a/c mechanic look at it. to make sure the a/c system works

1999 Chevrolet... | 35 views | 0 helpful votes


right side of the car after catalytic converter

1999 Chevrolet... | 83 views | 0 helpful votes


bad water heat valve under passenger seat undercarrier

1999 Chevrolet... | 25 views | 0 helpful votes


check your drivers side window switch cluster

1999 Chevrolet... | 42 views | 1 helpful votes


Check for spark and if there is any way, check for codes.

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Exhaust manifold bolts are stubborn at times use a good penetrating oil let sit then use a hammer 2 lbs and tap head of bolt shocking the threads to loosen them up. then try tightening first then loosen if still stubborn soak again then repeat sometime with a wrench and applied torque to bolt while hitting it will loosen them. good luck drilling out broken bolts is a expert task. so time is on your side right now be patient.

1999 Chevrolet... | 53 views | 0 helpful votes


I don't think there is such a thing as a oxygen sensor fuse.
Need way more info to solve your problem.

1999 Chevrolet... | 38 views | 0 helpful votes

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