Tag Archives: Live Chat
No Oil Pressure To Rocker Arms On Chevy Monte Carlo
2003 Chevy Monte Carlo V6 3400. I replaced the cylinder heads. Everything is ok and the engine runs fine but oil doesn’t seem to travel up threw the the push rods to the rocker arms. Oil level is full, filter is new and pressure is good as checked with a gauge. Answer: Are you checking this with the Monte Carlo engine running and the valve…
Check Engine and Battery Light on My 2004 Chevrolet Malibu
I have a 2004 Chevy Malibu with a lot of problems, first off last year in November it jumped time and i made the repairs to get the car back running but now my engine light is on, oil light is on and the battery. Light is on, went to crank it the other day and now it won’t start and I can’t get in…
What Lube Goes In My Buick Roadmaster Rear End?
What kind of lubricant does the 94 Buick Roadmaster Estate Wagon use in the non-slip differential? ProTech: It uses regular 80-90w gear oil in the rearend, but there is an additive for the limited-slip unit which you can get at any GM dealership. I used a 90 weight but the clutches are sticking, I believe. Do you know what the additive is? P.S. I’m in…
How To Change Belt – Interior Light Stay On
What do I need to take loose to change a serpentine belt on a 1997 Oldsmobile Achieva. ProTech: Which engine do you have? 2.4L four cylinder. The 2.4 engines are relatively easy to change the belt. You just need to release the tensioner to get the belt off, and install a new one. Nothing else needs to be taken off or removed. You can reach…
2002 Chevy Trailblazer Dies Out
My 2002 Chevrolet Trailblazer stalls when sitting at a red light but not all the time,rpms go up then drop to 200 and car cuts off,already cleaned throttle body,changed fuel filter,changed map sensor,changed exhaust cam actuator solenoid and still stalls,any ideas would be greatly appreciated! ProTech: Is the check engine light on at all when it dies out? No check engine lite. Ok, it does…
Can’t Shift Into Gear on My 2000 Dodge Truck
I have a 2000 Dodge 2500 Cummins Diesel and its been sitting for awhile. it got moved about thirty yards away but anyway now it wont shift into any gears. it feels like the lever is just sliding up and down Protech: Hello, how did it get moved? Did you drive it? No it was in a park n fly at the airport. the people there…
2001 Chevy Blazer 4WD Won’t Disengage
I have a 2001 Chevy blazer my 4 wheel drive wont disengage unless i put it in reverse and turn the wheel then back up. I’ve replaced the vacuum switch on the transfer case, replaced the in dash switch and just today put a new encoder motor on the transfer case. what happens is i try switching from 2hi to 4 hi and it does but…
2004 Chevy Venture Accelerates On It’s Own
I have a 2004 Chevy venture van with a 3.4 that accelerates when it wants to. It happens when cold or hot, just starting or going down the road. I have changed the TPS and IAC and plugs for both of them. Found a bad vacuum line between Map and fuel pressure regulator and also one on the EGR and replaced both of them. I…
2000 GMC Yukon Stuck In 4 Wheel High
2000 GMC Yukon-4×4 is stuck in 4hi. service 4wd light on dash is on. i changed the dash switch, same problem. i pull off the transfer case actuator and hit switch, it makes a noise and the front diff act makes noise too. the transfer case actuator does not turn though. is it supposed to? ProTech Yes it should move, you most likely have a…
2006 Chevrolet Impala Shifter Stuck In Park
Yes. I have a 2006 Chevy Impala and it is stuck in my garage. I cannot get the shifter to move form park to drive. It is running right now. ProTech: This is a common problem. You have an issue with the shift interlock solenoid, most likely a broken wire. If you shut the car off, you may not be able to get the key…
Jeep ABS And Rear Brake Lights Problems
I was driving with my emergency brakes up and my ABS light came on. I checked and my brakes fluid was low I put some in but the light is still coming on. ProTech So, you were driving with the emergency brakes applied? It was up. The ABS light doesn’t have anything to do with fluid level in the master cylinder. What kind of vehicle…
Pontiac Grand Prix Knocking Noise- Will Not Crank Over
Yes, I have a 2005 Grand Prix and every time it shifts it makes a slight knocking noise. Shifts sorry. That’s OK, something like that could be a bad motor or transmission mount. Or, possibly something inside the transmission. Does it do it every up-shift in every gear? No just once OK, so is it like right from a stop when it does it? Yeah…
Location of Coolant Bypass on Chevrolet Impala 3800
Were is the bypass hose on a 3800 V6. ProTech: Are you referring to the coolant bypass hose? Yes The 3800 does not really have a bypass hose. It is a small plastic 90 degree elbow. It is located in the upper intake manifold on the front of the engine. I was thinking that because i just replaced upper and lower but the parts store…
2005 Chevy Trailblazer Runs Rough at Idle With No Compression
#1 cylinder in my 2005 Trailblazer has no compression. I applied air pressure and it sounded like the exhaust for no air came out f the throttle body. There was air coming out of my # 5 cylinder with the #1 at TDC. wanted your opinion on if you think it is an exhaust valve not seating? ProTech Yes, I would think that is your…