98 c1500 transmission issues. - Transmission Problems


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98 c1500 transmission issues.

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Auto Repair Home>> Automotive Repair>> Transmission Problems

spidergod
New User

Nov 17, 2012, 12:57 PM

Post #1 of 4 (2605 views)

98 c1500 transmission issues.	Sign In

98 Chevy half ton 2wd 5.0 250k miles

Transmission slips then goes completely out while driving. Then shut it off for 5 minutes or so and it will drive and shift like normal then goes out again. Fluid appears full. Any ideas where to start?

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Nov 17, 2012, 3:55 PM

Post #2 of 4 (2540 views)

Re: 98 c1500 transmission issues.	Sign In

Usually if the transmission were to lose solenoid power or solenoid control by the PCM, the tranny defaults to 2nd. You'll still have reverse too.

How is the fluid level and fluid condition?

When the transmission goes out, do you have reverse or any forward gears?

Are there any trouble codes stored in the PCM? If so, what are the code numbers?

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Nov 17, 2012, 3:55 PM)

spidergod
New User

Nov 17, 2012, 4:25 PM

Post #3 of 4 (2530 views)

Re: 98 c1500 transmission issues.	Sign In

When it's out I've got nothing, rd 1234 they are all gone. Shifts fine after it's shut off for a few minutes, no noise or shuddering. Fluid is still reddish pink, never used any trans fluid. Code status unknown at this time.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Nov 17, 2012, 4:29 PM

Post #4 of 4 (2524 views)

Re: 98 c1500 transmission issues.	Sign In

More than likely it is going to be an internal problem. A line pressure check would confirm that when it doesn't have any gears. You might want to swing into a transmission shop and have them take a look.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Nov 17, 2012, 4:30 PM)

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